2021 ICD-10-CM Index
'F' Terms
Index Terms Starting With 'F' (Fever)

Index Terms Starting With 'F' (Fever)

Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
ICD-10-CM Diagnosis Code R50.9
Fever, unspecified
Applicable To
Fever NOS
Fever of unknown origin [FUO]
Fever with chills
Fever with rigors
Hyperpyrexia NOS
Persistent fever
Pyrexia NOS
- abortus A23.1
  ICD-10-CM Diagnosis Code A23.1
  Brucellosis due to Brucella abortus
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Aden A90
  (dengue)
  ICD-10-CM Diagnosis Code A90
  Dengue fever [classical dengue]
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Type 1 Excludes
  dengue hemorrhagic fever (A91)
- African tick bite A77.8
  ICD-10-CM Diagnosis Code A77.8
  Other spotted fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Rickettsia 364D/R. philipii (Pacific Coast tick fever)
  Spotted fever due to Rickettsia africae (African tick bite fever)
  Spotted fever due to Rickettsia parkeri
- African tick-borne A68.1
  ICD-10-CM Diagnosis Code A68.1
  Tick-borne relapsing fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Relapsing fever due to any Borrelia species other than Borrelia recurrentis
- American
  - mountain A93.2
    (tick)
    ICD-10-CM Diagnosis Code A93.2
    Colorado tick fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - spotted A77.0
    ICD-10-CM Diagnosis Code A77.0
    Spotted fever due to Rickettsia rickettsii
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Rocky Mountain spotted fever
    Sao Paulo fever
- aphthous B08.8
  ICD-10-CM Diagnosis Code B08.8
  Other specified viral infections characterized by skin and mucous membrane lesions
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Enteroviral lymphonodular pharyngitis
  Foot-and-mouth disease
  Poxvirus NEC
- arbovirus, arboviral A94
  ICD-10-CM Diagnosis Code A94
  Unspecified arthropod-borne viral fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Arboviral fever NOS
  Arbovirus infection NOS
  - hemorrhagic A94
    ICD-10-CM Diagnosis Code A94
    Unspecified arthropod-borne viral fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Arboviral fever NOS
    Arbovirus infection NOS
  - specified NEC A93.8
    ICD-10-CM Diagnosis Code A93.8
    Other specified arthropod-borne viral fevers
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Piry virus disease
    Vesicular stomatitis virus disease [Indiana fever]
- Argentinian hemorrhagic A96.0
  ICD-10-CM Diagnosis Code A96.0
  Junin hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Argentinian hemorrhagic fever
- Assam B55.0
  ICD-10-CM Diagnosis Code B55.0
  Visceral leishmaniasis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Kala-azar
  Post-kala-azar dermal leishmaniasis
- Australian Q A78
  ICD-10-CM Diagnosis Code A78
  Q fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Infection due to Coxiella burnetii
  Nine Mile fever
  Quadrilateral fever
- Bangkok hemorrhagic A91
  ICD-10-CM Diagnosis Code A91
  Dengue hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Barmah forest A92.8
  ICD-10-CM Diagnosis Code A92.8
  Other specified mosquito-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Bartonella A44.0
  ICD-10-CM Diagnosis Code A44.0
  Systemic bartonellosis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Oroya fever
- bilious, hemoglobinuric B50.8
  ICD-10-CM Diagnosis Code B50.8
  Other severe and complicated Plasmodium falciparum malaria
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Severe or complicated Plasmodium falciparum malaria NOS
- blackwater B50.8
  ICD-10-CM Diagnosis Code B50.8
  Other severe and complicated Plasmodium falciparum malaria
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Severe or complicated Plasmodium falciparum malaria NOS
- blister B00.1
  ICD-10-CM Diagnosis Code B00.1
  Herpesviral vesicular dermatitis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Herpes simplex facialis
  Herpes simplex labialis
  Herpes simplex otitis externa
  Vesicular dermatitis of ear
  Vesicular dermatitis of lip
- Bolivian hemorrhagic A96.1
  ICD-10-CM Diagnosis Code A96.1
  Machupo hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Bolivian hemorrhagic fever
- Bonvale dam T73.3
  ICD-10-CM Diagnosis Code T73.3
  Exhaustion due to excessive exertion
  2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  Applicable To
  Exhaustion due to overexertion
- boutonneuse A77.1
  ICD-10-CM Diagnosis Code A77.1
  Spotted fever due to Rickettsia conorii
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  African tick typhus
  Boutonneuse fever
  India tick typhus
  Kenya tick typhus
  Marseilles fever
  Mediterranean tick fever
- brain - see Encephalitis
- Brazilian purpuric A48.4
  ICD-10-CM Diagnosis Code A48.4
  Brazilian purpuric fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Systemic Hemophilus aegyptius infection
- breakbone A90
  ICD-10-CM Diagnosis Code A90
  Dengue fever [classical dengue]
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Type 1 Excludes
  dengue hemorrhagic fever (A91)
- Bullis A77.0
  ICD-10-CM Diagnosis Code A77.0
  Spotted fever due to Rickettsia rickettsii
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Rocky Mountain spotted fever
  Sao Paulo fever
- Bunyamwera A92.8
  ICD-10-CM Diagnosis Code A92.8
  Other specified mosquito-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Burdwan B55.0
  ICD-10-CM Diagnosis Code B55.0
  Visceral leishmaniasis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Kala-azar
  Post-kala-azar dermal leishmaniasis
- Bwamba A92.8
  ICD-10-CM Diagnosis Code A92.8
  Other specified mosquito-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Cameroon - see Malaria
- Canton A75.9
  ICD-10-CM Diagnosis Code A75.9
  Typhus fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Typhus (fever) NOS
- cat-scratch A28.1
  ICD-10-CM Diagnosis Code A28.1
  Cat-scratch disease
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Cat-scratch fever
- catarrhal (acute) J00
  ICD-10-CM Diagnosis Code J00
  Acute nasopharyngitis [common cold]
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Acute rhinitis
  Coryza (acute)
  Infective nasopharyngitis NOS
  Infective rhinitis
  Nasal catarrh, acute
  Nasopharyngitis NOS
  Type 1 Excludes
  acute pharyngitis (J02.-)
  acute sore throat NOS (J02.9)
  influenza virus with other respiratory manifestations (J09.X2, J10.1, J11.1)
  pharyngitis NOS (J02.9)
  rhinitis NOS (J31.0)
  sore throat NOS (J02.9)
  Type 2 Excludes
  allergic rhinitis (J30.1-J30.9)
  chronic pharyngitis (J31.2)
  chronic rhinitis (J31.0)
  chronic sore throat (J31.2)
  nasopharyngitis, chronic (J31.1)
  vasomotor rhinitis (J30.0)
  - chronic J31.0
    ICD-10-CM Diagnosis Code J31.0
    Chronic rhinitis
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Atrophic rhinitis (chronic)
    Granulomatous rhinitis (chronic)
    Hypertrophic rhinitis (chronic)
    Obstructive rhinitis (chronic)
    Ozena
    Purulent rhinitis (chronic)
    Rhinitis (chronic) NOS
    Ulcerative rhinitis (chronic)
    Type 1 Excludes
    allergic rhinitis (J30.1-J30.9)
    vasomotor rhinitis (J30.0)
- Central Asian hemorrhagic A98.0
  ICD-10-CM Diagnosis Code A98.0
  Crimean-Congo hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Central Asian hemorrhagic fever
- cerebral - see Encephalitis
- cerebrospinal meningococcal A39.0
  ICD-10-CM Diagnosis Code A39.0
  Meningococcal meningitis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Chagres B50.9
  ICD-10-CM Diagnosis Code B50.9
  Plasmodium falciparum malaria, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Chandipura A92.8
  ICD-10-CM Diagnosis Code A92.8
  Other specified mosquito-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Changuinola A93.1
  ICD-10-CM Diagnosis Code A93.1
  Sandfly fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Pappataci fever
  Phlebotomus fever
- Charcot's (biliary) (hepatic) (intermittent) - see Calculus, bile duct
- Chikungunya A92.0
  (viral) (hemorrhagic)
  ICD-10-CM Diagnosis Code A92.0
  Chikungunya virus disease
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Chikungunya (hemorrhagic) fever
- Chitral A93.1
  ICD-10-CM Diagnosis Code A93.1
  Sandfly fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Pappataci fever
  Phlebotomus fever
- Colombo - see Fever, paratyphoid
- Colorado tick A93.2
  (virus)
  ICD-10-CM Diagnosis Code A93.2
  Colorado tick fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- congestive (remittent) - see Malaria
- Congo virus A98.0
  ICD-10-CM Diagnosis Code A98.0
  Crimean-Congo hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Central Asian hemorrhagic fever
- continued malarial B50.9
  ICD-10-CM Diagnosis Code B50.9
  Plasmodium falciparum malaria, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Corsican - see Malaria
- Crimean-Congo hemorrhagic A98.0
  ICD-10-CM Diagnosis Code A98.0
  Crimean-Congo hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Central Asian hemorrhagic fever
- Cyprus - see Brucellosis
- dandy A90
  ICD-10-CM Diagnosis Code A90
  Dengue fever [classical dengue]
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Type 1 Excludes
  dengue hemorrhagic fever (A91)
- deer fly - see Tularemia
- dengue (virus) A90
  ICD-10-CM Diagnosis Code A90
  Dengue fever [classical dengue]
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Type 1 Excludes
  dengue hemorrhagic fever (A91)
  - hemorrhagic A91
    ICD-10-CM Diagnosis Code A91
    Dengue hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - sandfly A93.1
    ICD-10-CM Diagnosis Code A93.1
    Sandfly fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Pappataci fever
    Phlebotomus fever
- desert B38.0
  ICD-10-CM Diagnosis Code B38.0
  Acute pulmonary coccidioidomycosis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- drug induced R50.2
  ICD-10-CM Diagnosis Code R50.2
  Drug induced fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Type 1 Excludes
  postvaccination (postimmunization) fever (R50.83)
  Use Additional
  code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
- due to
  - conditions classified elsewhere R50.81
    ICD-10-CM Diagnosis Code R50.81
    Fever presenting with conditions classified elsewhere
    2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code
    Code First
    underlying condition when associated fever is present, such as with:
    leukemia (C91-C95)
    neutropenia (D70.-)
    sickle-cell disease (D57.-)
  - heat T67.01
    ICD-10-CM Diagnosis Code T67.01
    Heatstroke and sunstroke
    2020 - New Code 2021 Non-Billable/Non-Specific Code
    Applicable To
    Heat apoplexy
    Heat pyrexia
    Siriasis
    Thermoplegia
- enteric A01.00
  ICD-10-CM Diagnosis Code A01.00
  Typhoid fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- enteroviral exanthematous A88.0
  (Boston exanthem)
  ICD-10-CM Diagnosis Code A88.0
  Enteroviral exanthematous fever [Boston exanthem]
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- ephemeral R50.9
  (of unknown origin)
  ICD-10-CM Diagnosis Code R50.9
  Fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Fever NOS
  Fever of unknown origin [FUO]
  Fever with chills
  Fever with rigors
  Hyperpyrexia NOS
  Persistent fever
  Pyrexia NOS
- epidemic hemorrhagic A98.5
  ICD-10-CM Diagnosis Code A98.5
  Hemorrhagic fever with renal syndrome
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Epidemic hemorrhagic fever
  Korean hemorrhagic fever
  Russian hemorrhagic fever
  Hantaan virus disease
  Hantavirus disease with renal manifestations
  Nephropathia epidemica
  Songo fever
  Type 1 Excludes
  hantavirus (cardio)-pulmonary syndrome (B33.4)
- erysipelatous - see Erysipelas
- estivo-autumnal B50.9
  (malarial)
  ICD-10-CM Diagnosis Code B50.9
  Plasmodium falciparum malaria, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- famine A75.0
  ICD-10-CM Diagnosis Code A75.0
  Epidemic louse-borne typhus fever due to Rickettsia prowazekii
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Classical typhus (fever)
  Epidemic (louse-borne) typhus
- five day A79.0
  ICD-10-CM Diagnosis Code A79.0
  Trench fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Quintan fever
  Wolhynian fever
- following delivery O86.4
  ICD-10-CM Diagnosis Code O86.4
  Pyrexia of unknown origin following delivery
  2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years)
  Applicable To
  Puerperal infection NOS following delivery
  Puerperal pyrexia NOS following delivery
  Type 2 Excludes
  pyrexia during labor (O75.2)
- Fort Bragg A27.89
  ICD-10-CM Diagnosis Code A27.89
  Other forms of leptospirosis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- gastroenteric A01.00
  ICD-10-CM Diagnosis Code A01.00
  Typhoid fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- gastromalarial - see Malaria
- Gibraltar - see Brucellosis
- glandular - see Mononucleosis, infectious
- Guama A92.8
  (viral)
  ICD-10-CM Diagnosis Code A92.8
  Other specified mosquito-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Haverhill A25.1
  ICD-10-CM Diagnosis Code A25.1
  Streptobacillosis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Epidemic arthritic erythema
  Haverhill fever
  Streptobacillary rat-bite fever
- hay (allergic) J30.1
  ICD-10-CM Diagnosis Code J30.1
  Allergic rhinitis due to pollen
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Allergy NOS due to pollen
  Hay fever
  Pollinosis
  - due to
    - allergen other than pollen J30.89
      ICD-10-CM Diagnosis Code J30.89
      Other allergic rhinitis
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Perennial allergic rhinitis
    - pollen, any plant or tree J30.1
      ICD-10-CM Diagnosis Code J30.1
      Allergic rhinitis due to pollen
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Allergy NOS due to pollen
      Hay fever
      Pollinosis
  - with asthma (bronchial) J45.909
    ICD-10-CM Diagnosis Code J45.909
    Unspecified asthma, uncomplicated
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Asthma NOS
    Type 2 Excludes
    lung diseases due to external agents (J60-J70)
    - with
      - exacerbation J45.901
        (acute)
        ICD-10-CM Diagnosis Code J45.901
        Unspecified asthma with (acute) exacerbation
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      - status asthmaticus J45.902
        ICD-10-CM Diagnosis Code J45.902
        Unspecified asthma with status asthmaticus
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
- heat T67.01
  (effects)
  ICD-10-CM Diagnosis Code T67.01
  Heatstroke and sunstroke
  2020 - New Code 2021 Non-Billable/Non-Specific Code
  Applicable To
  Heat apoplexy
  Heat pyrexia
  Siriasis
  Thermoplegia
- hematuric, bilious B50.8
  ICD-10-CM Diagnosis Code B50.8
  Other severe and complicated Plasmodium falciparum malaria
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Severe or complicated Plasmodium falciparum malaria NOS
- hemoglobinuric B50.8
  (malarial) (bilious)
  ICD-10-CM Diagnosis Code B50.8
  Other severe and complicated Plasmodium falciparum malaria
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Severe or complicated Plasmodium falciparum malaria NOS
- hemorrhagic (arthropod-borne) A94
  ICD-10-CM Diagnosis Code A94
  Unspecified arthropod-borne viral fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Arboviral fever NOS
  Arbovirus infection NOS
  - arenaviral A96.9
    ICD-10-CM Diagnosis Code A96.9
    Arenaviral hemorrhagic fever, unspecified
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    - specified NEC A96.8
      ICD-10-CM Diagnosis Code A96.8
      Other arenaviral hemorrhagic fevers
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Argentinian A96.0
    ICD-10-CM Diagnosis Code A96.0
    Junin hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Argentinian hemorrhagic fever
  - Bangkok A91
    ICD-10-CM Diagnosis Code A91
    Dengue hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Bolivian A96.1
    ICD-10-CM Diagnosis Code A96.1
    Machupo hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Bolivian hemorrhagic fever
  - Central Asian A98.0
    ICD-10-CM Diagnosis Code A98.0
    Crimean-Congo hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Central Asian hemorrhagic fever
  - Chikungunya A92.0
    ICD-10-CM Diagnosis Code A92.0
    Chikungunya virus disease
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Chikungunya (hemorrhagic) fever
  - Crimean-Congo A98.0
    ICD-10-CM Diagnosis Code A98.0
    Crimean-Congo hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Central Asian hemorrhagic fever
  - dengue A91
    (virus)
    ICD-10-CM Diagnosis Code A91
    Dengue hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - epidemic A98.5
    ICD-10-CM Diagnosis Code A98.5
    Hemorrhagic fever with renal syndrome
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Epidemic hemorrhagic fever
    Korean hemorrhagic fever
    Russian hemorrhagic fever
    Hantaan virus disease
    Hantavirus disease with renal manifestations
    Nephropathia epidemica
    Songo fever
    Type 1 Excludes
    hantavirus (cardio)-pulmonary syndrome (B33.4)
  - Junin A96.0
    (virus)
    ICD-10-CM Diagnosis Code A96.0
    Junin hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Argentinian hemorrhagic fever
  - Korean A98.5
    ICD-10-CM Diagnosis Code A98.5
    Hemorrhagic fever with renal syndrome
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Epidemic hemorrhagic fever
    Korean hemorrhagic fever
    Russian hemorrhagic fever
    Hantaan virus disease
    Hantavirus disease with renal manifestations
    Nephropathia epidemica
    Songo fever
    Type 1 Excludes
    hantavirus (cardio)-pulmonary syndrome (B33.4)
  - Kyasanur forest A98.2
    ICD-10-CM Diagnosis Code A98.2
    Kyasanur Forest disease
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Machupo A96.1
    (virus)
    ICD-10-CM Diagnosis Code A96.1
    Machupo hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Bolivian hemorrhagic fever
  - mite-borne A93.8
    ICD-10-CM Diagnosis Code A93.8
    Other specified arthropod-borne viral fevers
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Piry virus disease
    Vesicular stomatitis virus disease [Indiana fever]
  - mosquito-borne A92.8
    ICD-10-CM Diagnosis Code A92.8
    Other specified mosquito-borne viral fevers
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Omsk A98.1
    ICD-10-CM Diagnosis Code A98.1
    Omsk hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Philippine A91
    ICD-10-CM Diagnosis Code A91
    Dengue hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Russian A98.5
    ICD-10-CM Diagnosis Code A98.5
    Hemorrhagic fever with renal syndrome
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Epidemic hemorrhagic fever
    Korean hemorrhagic fever
    Russian hemorrhagic fever
    Hantaan virus disease
    Hantavirus disease with renal manifestations
    Nephropathia epidemica
    Songo fever
    Type 1 Excludes
    hantavirus (cardio)-pulmonary syndrome (B33.4)
  - Singapore A91
    ICD-10-CM Diagnosis Code A91
    Dengue hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Southeast Asia A91
    ICD-10-CM Diagnosis Code A91
    Dengue hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Thailand A91
    ICD-10-CM Diagnosis Code A91
    Dengue hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - tick-borne NEC A93.8
    ICD-10-CM Diagnosis Code A93.8
    Other specified arthropod-borne viral fevers
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Piry virus disease
    Vesicular stomatitis virus disease [Indiana fever]
  - viral A99
    ICD-10-CM Diagnosis Code A99
    Unspecified viral hemorrhagic fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    - specified NEC A98.8
      ICD-10-CM Diagnosis Code A98.8
      Other specified viral hemorrhagic fevers
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - with renal syndrome A98.5
    ICD-10-CM Diagnosis Code A98.5
    Hemorrhagic fever with renal syndrome
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Epidemic hemorrhagic fever
    Korean hemorrhagic fever
    Russian hemorrhagic fever
    Hantaan virus disease
    Hantavirus disease with renal manifestations
    Nephropathia epidemica
    Songo fever
    Type 1 Excludes
    hantavirus (cardio)-pulmonary syndrome (B33.4)
- hepatic - see Cholecystitis
- herpetic - see Herpes
- icterohemorrhagic A27.0
  ICD-10-CM Diagnosis Code A27.0
  Leptospirosis icterohemorrhagica
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Leptospiral or spirochetal jaundice (hemorrhagic)
  Weil's disease
- Indiana A93.8
  ICD-10-CM Diagnosis Code A93.8
  Other specified arthropod-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Piry virus disease
  Vesicular stomatitis virus disease [Indiana fever]
- infective B99.9
  ICD-10-CM Diagnosis Code B99.9
  Unspecified infectious disease
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - specified NEC B99.8
    ICD-10-CM Diagnosis Code B99.8
    Other infectious disease
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
- intermittent (bilious) - see also Malaria
  - of unknown origin R50.9
    ICD-10-CM Diagnosis Code R50.9
    Fever, unspecified
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Fever NOS
    Fever of unknown origin [FUO]
    Fever with chills
    Fever with rigors
    Hyperpyrexia NOS
    Persistent fever
    Pyrexia NOS
  - pernicious B50.9
    ICD-10-CM Diagnosis Code B50.9
    Plasmodium falciparum malaria, unspecified
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
- iodide R50.2
  ICD-10-CM Diagnosis Code R50.2
  Drug induced fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Type 1 Excludes
  postvaccination (postimmunization) fever (R50.83)
  Use Additional
  code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
- Japanese river A75.3
  ICD-10-CM Diagnosis Code A75.3
  Typhus fever due to Rickettsia tsutsugamushi
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Scrub (mite-borne) typhus
  Tsutsugamushi fever
  Typhus fever due to Orientia Tsutsugamushi (scrub typhus)
- jungle - see also Malaria
  - yellow A95.0
    ICD-10-CM Diagnosis Code A95.0
    Sylvatic yellow fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Jungle yellow fever
- Junin A96.0
  (virus)
  ICD-10-CM Diagnosis Code A96.0
  Junin hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Argentinian hemorrhagic fever
- Katayama B65.2
  ICD-10-CM Diagnosis Code B65.2
  Schistosomiasis due to Schistosoma japonicum
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Asiatic schistosomiasis
- kedani A75.3
  ICD-10-CM Diagnosis Code A75.3
  Typhus fever due to Rickettsia tsutsugamushi
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Scrub (mite-borne) typhus
  Tsutsugamushi fever
  Typhus fever due to Orientia Tsutsugamushi (scrub typhus)
- Kenya A77.1
  (tick)
  ICD-10-CM Diagnosis Code A77.1
  Spotted fever due to Rickettsia conorii
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  African tick typhus
  Boutonneuse fever
  India tick typhus
  Kenya tick typhus
  Marseilles fever
  Mediterranean tick fever
- Kew Garden A79.1
  ICD-10-CM Diagnosis Code A79.1
  Rickettsialpox due to Rickettsia akari
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Kew Garden fever
  Vesicular rickettsiosis
- Korean hemorrhagic A98.5
  ICD-10-CM Diagnosis Code A98.5
  Hemorrhagic fever with renal syndrome
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Epidemic hemorrhagic fever
  Korean hemorrhagic fever
  Russian hemorrhagic fever
  Hantaan virus disease
  Hantavirus disease with renal manifestations
  Nephropathia epidemica
  Songo fever
  Type 1 Excludes
  hantavirus (cardio)-pulmonary syndrome (B33.4)
- Lassa A96.2
  ICD-10-CM Diagnosis Code A96.2
  Lassa fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Lone Star A77.0
  ICD-10-CM Diagnosis Code A77.0
  Spotted fever due to Rickettsia rickettsii
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Rocky Mountain spotted fever
  Sao Paulo fever
- Machupo A96.1
  (virus)
  ICD-10-CM Diagnosis Code A96.1
  Machupo hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Bolivian hemorrhagic fever
- malaria, malarial - see Malaria
- Malta A23.9
  ICD-10-CM Diagnosis Code A23.9
  Brucellosis, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Marseilles A77.1
  ICD-10-CM Diagnosis Code A77.1
  Spotted fever due to Rickettsia conorii
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  African tick typhus
  Boutonneuse fever
  India tick typhus
  Kenya tick typhus
  Marseilles fever
  Mediterranean tick fever
- marsh - see Malaria
- Mayaro A92.8
  (viral)
  ICD-10-CM Diagnosis Code A92.8
  Other specified mosquito-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Mediterranean A23.9
  - see also Brucellosis
  ICD-10-CM Diagnosis Code A23.9
  Brucellosis, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - familial M04.1
    ICD-10-CM Diagnosis Code M04.1
    Periodic fever syndromes
    2017 - New Code 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Familial Mediterranean fever
    Hyperimmunoglobin D syndrome
    Mevalonate kinase deficiency
    Tumor necrosis factor receptor associated periodic syndrome [TRAPS]
  - tick A77.1
    ICD-10-CM Diagnosis Code A77.1
    Spotted fever due to Rickettsia conorii
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    African tick typhus
    Boutonneuse fever
    India tick typhus
    Kenya tick typhus
    Marseilles fever
    Mediterranean tick fever
- meningeal - see Meningitis
- Meuse A79.0
  ICD-10-CM Diagnosis Code A79.0
  Trench fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Quintan fever
  Wolhynian fever
- Mexican A75.2
  ICD-10-CM Diagnosis Code A75.2
  Typhus fever due to Rickettsia typhi
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Murine (flea-borne) typhus
- mianeh A68.1
  ICD-10-CM Diagnosis Code A68.1
  Tick-borne relapsing fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Relapsing fever due to any Borrelia species other than Borrelia recurrentis
- miasmatic - see Malaria
- mosquito-borne (viral) A92.9
  ICD-10-CM Diagnosis Code A92.9
  Mosquito-borne viral fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - hemorrhagic A92.8
    ICD-10-CM Diagnosis Code A92.8
    Other specified mosquito-borne viral fevers
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
- mountain - see also Brucellosis
  - meaning Rocky Mountain spotted fever A77.0
    ICD-10-CM Diagnosis Code A77.0
    Spotted fever due to Rickettsia rickettsii
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Rocky Mountain spotted fever
    Sao Paulo fever
  - tick A93.2
    (American) (Colorado) (viral)
    ICD-10-CM Diagnosis Code A93.2
    Colorado tick fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Mucambo A92.8
  (viral)
  ICD-10-CM Diagnosis Code A92.8
  Other specified mosquito-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- mud A27.9
  ICD-10-CM Diagnosis Code A27.9
  Leptospirosis, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Neapolitan - see Brucellosis
- neutropenic D70.9
  ICD-10-CM Diagnosis Code D70.9
  Neutropenia, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- newborn P81.9
  ICD-10-CM Diagnosis Code P81.9
  Disturbance of temperature regulation of newborn, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code Code on Newborn Record
  Applicable To
  Fever of newborn NOS
  - environmental P81.0
    ICD-10-CM Diagnosis Code P81.0
    Environmental hyperthermia of newborn
    2016 2017 2018 2019 2020 2021 Billable/Specific Code Code on Newborn Record
- Nine-Mile A78
  ICD-10-CM Diagnosis Code A78
  Q fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Infection due to Coxiella burnetii
  Nine Mile fever
  Quadrilateral fever
- non-exanthematous tick A93.2
  ICD-10-CM Diagnosis Code A93.2
  Colorado tick fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- North Asian tick-borne A77.2
  ICD-10-CM Diagnosis Code A77.2
  Spotted fever due to Rickettsia siberica
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  North Asian tick fever
  Siberian tick typhus
- O'nyong-nyong A92.1
  (viral)
  ICD-10-CM Diagnosis Code A92.1
  O'nyong-nyong fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Omsk hemorrhagic A98.1
  ICD-10-CM Diagnosis Code A98.1
  Omsk hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Oropouche A93.0
  (viral)
  ICD-10-CM Diagnosis Code A93.0
  Oropouche virus disease
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Oropouche fever
- Oroya A44.0
  ICD-10-CM Diagnosis Code A44.0
  Systemic bartonellosis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Oroya fever
- pacific coast tick A77.8
  ICD-10-CM Diagnosis Code A77.8
  Other spotted fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Rickettsia 364D/R. philipii (Pacific Coast tick fever)
  Spotted fever due to Rickettsia africae (African tick bite fever)
  Spotted fever due to Rickettsia parkeri
- paludal - see Malaria
- Panama B50.9
  (malarial)
  ICD-10-CM Diagnosis Code B50.9
  Plasmodium falciparum malaria, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Pappataci A93.1
  ICD-10-CM Diagnosis Code A93.1
  Sandfly fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Pappataci fever
  Phlebotomus fever
- paratyphoid A01.4
  ICD-10-CM Diagnosis Code A01.4
  Paratyphoid fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Infection due to Salmonella paratyphi NOS
  - A A01.1
    ICD-10-CM Diagnosis Code A01.1
    Paratyphoid fever A
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - B A01.2
    ICD-10-CM Diagnosis Code A01.2
    Paratyphoid fever B
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - C A01.3
    ICD-10-CM Diagnosis Code A01.3
    Paratyphoid fever C
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
- parrot A70
  ICD-10-CM Diagnosis Code A70
  Chlamydia psittaci infections
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Ornithosis
  Parrot fever
  Psittacosis
- periodic M04.1
  (Mediterranean)
  ICD-10-CM Diagnosis Code M04.1
  Periodic fever syndromes
  2017 - New Code 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Familial Mediterranean fever
  Hyperimmunoglobin D syndrome
  Mevalonate kinase deficiency
  Tumor necrosis factor receptor associated periodic syndrome [TRAPS]
- persistent R50.9
  (of unknown origin)
  ICD-10-CM Diagnosis Code R50.9
  Fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Fever NOS
  Fever of unknown origin [FUO]
  Fever with chills
  Fever with rigors
  Hyperpyrexia NOS
  Persistent fever
  Pyrexia NOS
- petechial A39.0
  ICD-10-CM Diagnosis Code A39.0
  Meningococcal meningitis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- pharyngoconjunctival B30.2
  ICD-10-CM Diagnosis Code B30.2
  Viral pharyngoconjunctivitis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Philippine hemorrhagic A91
  ICD-10-CM Diagnosis Code A91
  Dengue hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- phlebotomus A93.1
  ICD-10-CM Diagnosis Code A93.1
  Sandfly fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Pappataci fever
  Phlebotomus fever
- Piry A93.8
  (virus)
  ICD-10-CM Diagnosis Code A93.8
  Other specified arthropod-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Piry virus disease
  Vesicular stomatitis virus disease [Indiana fever]
- Pixuna A92.8
  (viral)
  ICD-10-CM Diagnosis Code A92.8
  Other specified mosquito-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Plasmodium ovale B53.0
  ICD-10-CM Diagnosis Code B53.0
  Plasmodium ovale malaria
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Type 1 Excludes
  Plasmodium ovale with Plasmodium falciparum (B50.-)
  Plasmodium ovale with Plasmodium malariae (B52.-)
  Plasmodium ovale with Plasmodium vivax (B51.-)
- polioviral A80.4
  (nonparalytic)
  ICD-10-CM Diagnosis Code A80.4
  Acute nonparalytic poliomyelitis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Pontiac A48.2
  ICD-10-CM Diagnosis Code A48.2
  Nonpneumonic Legionnaires' disease [Pontiac fever]
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- postimmunization R50.83
  ICD-10-CM Diagnosis Code R50.83
  Postvaccination fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Postimmunization fever
- postoperative R50.82
  ICD-10-CM Diagnosis Code R50.82
  Postprocedural fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Type 1 Excludes
  postprocedural infection (T81.4-)
  posttransfusion fever (R50.84)
  postvaccination (postimmunization) fever (R50.83)
  - due to infection T81.40
    ICD-10-CM Diagnosis Code T81.40
    Infection following a procedure, unspecified
    2019 - New Code 2020 2021 Non-Billable/Non-Specific Code
- posttransfusion R50.84
  ICD-10-CM Diagnosis Code R50.84
  Febrile nonhemolytic transfusion reaction
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  FNHTR
  Posttransfusion fever
- postvaccination R50.83
  ICD-10-CM Diagnosis Code R50.83
  Postvaccination fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Postimmunization fever
- presenting with conditions classified elsewhere R50.81
  ICD-10-CM Diagnosis Code R50.81
  Fever presenting with conditions classified elsewhere
  2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code
  Code First
  underlying condition when associated fever is present, such as with:
  leukemia (C91-C95)
  neutropenia (D70.-)
  sickle-cell disease (D57.-)
- pretibial A27.89
  ICD-10-CM Diagnosis Code A27.89
  Other forms of leptospirosis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- puerperal O86.4
  ICD-10-CM Diagnosis Code O86.4
  Pyrexia of unknown origin following delivery
  2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years)
  Applicable To
  Puerperal infection NOS following delivery
  Puerperal pyrexia NOS following delivery
  Type 2 Excludes
  pyrexia during labor (O75.2)
- Q A78
  ICD-10-CM Diagnosis Code A78
  Q fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Infection due to Coxiella burnetii
  Nine Mile fever
  Quadrilateral fever
- quadrilateral A78
  ICD-10-CM Diagnosis Code A78
  Q fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Infection due to Coxiella burnetii
  Nine Mile fever
  Quadrilateral fever
- quartan B52.9
  (malaria)
  ICD-10-CM Diagnosis Code B52.9
  Plasmodium malariae malaria without complication
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Plasmodium malariae malaria NOS
- Queensland A77.3
  (coastal) (tick)
  ICD-10-CM Diagnosis Code A77.3
  Spotted fever due to Rickettsia australis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Queensland tick typhus
- quintan A79.0
  ICD-10-CM Diagnosis Code A79.0
  Trench fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Quintan fever
  Wolhynian fever
- rabbit - see Tularemia
- rat-bite A25.9
  ICD-10-CM Diagnosis Code A25.9
  Rat-bite fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - due to
    - Spirillum A25.0
      ICD-10-CM Diagnosis Code A25.0
      Spirillosis
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Sodoku
    - Streptobacillus moniliformis A25.1
      ICD-10-CM Diagnosis Code A25.1
      Streptobacillosis
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Epidemic arthritic erythema
      Haverhill fever
      Streptobacillary rat-bite fever
- recurrent - see Fever, relapsing
- relapsing (Borrelia) A68.9
  ICD-10-CM Diagnosis Code A68.9
  Relapsing fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Carter's A68.1
    (Asiatic)
    ICD-10-CM Diagnosis Code A68.1
    Tick-borne relapsing fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Relapsing fever due to any Borrelia species other than Borrelia recurrentis
  - Dutton's A68.1
    (West African)
    ICD-10-CM Diagnosis Code A68.1
    Tick-borne relapsing fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Relapsing fever due to any Borrelia species other than Borrelia recurrentis
  - Koch's A68.9
    ICD-10-CM Diagnosis Code A68.9
    Relapsing fever, unspecified
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - louse-borne A68.0
    ICD-10-CM Diagnosis Code A68.0
    Louse-borne relapsing fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Relapsing fever due to Borrelia recurrentis
  - Novy's
    - louse-borne A68.0
      ICD-10-CM Diagnosis Code A68.0
      Louse-borne relapsing fever
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Relapsing fever due to Borrelia recurrentis
    - tick-borne A68.1
      ICD-10-CM Diagnosis Code A68.1
      Tick-borne relapsing fever
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Relapsing fever due to any Borrelia species other than Borrelia recurrentis
  - Obermeyer's A68.0
    (European)
    ICD-10-CM Diagnosis Code A68.0
    Louse-borne relapsing fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Relapsing fever due to Borrelia recurrentis
  - tick-borne A68.1
    ICD-10-CM Diagnosis Code A68.1
    Tick-borne relapsing fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Relapsing fever due to any Borrelia species other than Borrelia recurrentis
- remittent (bilious) (congestive) (gastric) - see Malaria
- rheumatic (active) (acute) (chronic) (subacute) I00
  ICD-10-CM Diagnosis Code I00
  Rheumatic fever without heart involvement
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Includes
  arthritis, rheumatic, acute or subacute
  Type 1 Excludes
  rheumatic fever with heart involvement (I01.0 -I01.9)
  - active with heart involvement I01
    - see category
    ICD-10-CM Diagnosis Code I01
    Rheumatic fever with heart involvement
    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    chronic diseases of rheumatic origin (I05-I09) unless rheumatic fever is also present or there is evidence of reactivation or activity of the rheumatic process.
  - inactive or quiescent with
    - cardiac hypertrophy I09.89
      ICD-10-CM Diagnosis Code I09.89
      Other specified rheumatic heart diseases
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Rheumatic disease of pulmonary valve
    - carditis I09.9
      ICD-10-CM Diagnosis Code I09.9
      Rheumatic heart disease, unspecified
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Rheumatic carditis
      Type 1 Excludes
      rheumatoid carditis (M05.31)
    - endocarditis I09.1
      ICD-10-CM Diagnosis Code I09.1
      Rheumatic diseases of endocardium, valve unspecified
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Rheumatic endocarditis (chronic)
      Rheumatic valvulitis (chronic)
      Type 1 Excludes
      endocarditis, valve unspecified (I38)
      - aortic (valve) I06.9
        ICD-10-CM Diagnosis Code I06.9
        Rheumatic aortic valve disease, unspecified
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Applicable To
        Rheumatic aortic (valve) disease NOS
        with mitral I08.0
        (valve)
        ICD-10-CM Diagnosis Code I08.0
        Rheumatic disorders of both mitral and aortic valves
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Applicable To
        Involvement of both mitral and aortic valves specified as rheumatic or unspecified
      - mitral (valve) I05.9
        ICD-10-CM Diagnosis Code I05.9
        Rheumatic mitral valve disease, unspecified
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Applicable To
        Rheumatic mitral (valve) disorder (chronic) NOS
        with aortic I08.0
        (valve)
        ICD-10-CM Diagnosis Code I08.0
        Rheumatic disorders of both mitral and aortic valves
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Applicable To
        Involvement of both mitral and aortic valves specified as rheumatic or unspecified
      - pulmonary I09.89
        (valve)
        ICD-10-CM Diagnosis Code I09.89
        Other specified rheumatic heart diseases
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Applicable To
        Rheumatic disease of pulmonary valve
      - tricuspid I07.8
        (valve)
        ICD-10-CM Diagnosis Code I07.8
        Other rheumatic tricuspid valve diseases
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
    - heart disease NEC I09.89
      ICD-10-CM Diagnosis Code I09.89
      Other specified rheumatic heart diseases
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Rheumatic disease of pulmonary valve
    - heart failure I09.81
      (congestive) (conditions in category I50.)
      ICD-10-CM Diagnosis Code I09.81
      Rheumatic heart failure
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Use Additional
      code to identify type of heart failure (I50.-)
    - left ventricular failure I09.81
      (conditions in I50.1-I50.4-)
      ICD-10-CM Diagnosis Code I09.81
      Rheumatic heart failure
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Use Additional
      code to identify type of heart failure (I50.-)
    - myocarditis, myocardial degeneration I09.0
      (conditions in I51.4)
      ICD-10-CM Diagnosis Code I09.0
      Rheumatic myocarditis
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Type 1 Excludes
      myocarditis not specified as rheumatic (I51.4)
    - pancarditis I09.9
      ICD-10-CM Diagnosis Code I09.9
      Rheumatic heart disease, unspecified
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Rheumatic carditis
      Type 1 Excludes
      rheumatoid carditis (M05.31)
    - pericarditis I09.2
      ICD-10-CM Diagnosis Code I09.2
      Chronic rheumatic pericarditis
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Adherent pericardium, rheumatic
      Chronic rheumatic mediastinopericarditis
      Chronic rheumatic myopericarditis
      Type 1 Excludes
      chronic pericarditis not specified as rheumatic (I31.-)
  - with central nervous system involvement I02.9
    ICD-10-CM Diagnosis Code I02.9
    Rheumatic chorea without heart involvement
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Rheumatic chorea NOS
- Rift Valley A92.4
  (viral)
  ICD-10-CM Diagnosis Code A92.4
  Rift Valley fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Rocky Mountain spotted A77.0
  ICD-10-CM Diagnosis Code A77.0
  Spotted fever due to Rickettsia rickettsii
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Rocky Mountain spotted fever
  Sao Paulo fever
- rose J30.1
  ICD-10-CM Diagnosis Code J30.1
  Allergic rhinitis due to pollen
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Allergy NOS due to pollen
  Hay fever
  Pollinosis
- Ross River B33.1
  ICD-10-CM Diagnosis Code B33.1
  Ross River disease
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Epidemic polyarthritis and exanthema
  Ross River fever
- Russian hemorrhagic A98.5
  ICD-10-CM Diagnosis Code A98.5
  Hemorrhagic fever with renal syndrome
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Epidemic hemorrhagic fever
  Korean hemorrhagic fever
  Russian hemorrhagic fever
  Hantaan virus disease
  Hantavirus disease with renal manifestations
  Nephropathia epidemica
  Songo fever
  Type 1 Excludes
  hantavirus (cardio)-pulmonary syndrome (B33.4)
- San Joaquin B38.0
  (Valley)
  ICD-10-CM Diagnosis Code B38.0
  Acute pulmonary coccidioidomycosis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- sandfly A93.1
  ICD-10-CM Diagnosis Code A93.1
  Sandfly fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Pappataci fever
  Phlebotomus fever
- Sao Paulo A77.0
  ICD-10-CM Diagnosis Code A77.0
  Spotted fever due to Rickettsia rickettsii
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Rocky Mountain spotted fever
  Sao Paulo fever
- scarlet A38.9
  ICD-10-CM Diagnosis Code A38.9
  Scarlet fever, uncomplicated
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Scarlet fever, NOS
- seven day (leptospirosis) (autumnal) (Japanese) A27.89
  ICD-10-CM Diagnosis Code A27.89
  Other forms of leptospirosis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - dengue A90
    ICD-10-CM Diagnosis Code A90
    Dengue fever [classical dengue]
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Type 1 Excludes
    dengue hemorrhagic fever (A91)
- shin-bone A79.0
  ICD-10-CM Diagnosis Code A79.0
  Trench fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Quintan fever
  Wolhynian fever
- Singapore hemorrhagic A91
  ICD-10-CM Diagnosis Code A91
  Dengue hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- solar A90
  ICD-10-CM Diagnosis Code A90
  Dengue fever [classical dengue]
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Type 1 Excludes
  dengue hemorrhagic fever (A91)
- Songo A98.5
  ICD-10-CM Diagnosis Code A98.5
  Hemorrhagic fever with renal syndrome
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Epidemic hemorrhagic fever
  Korean hemorrhagic fever
  Russian hemorrhagic fever
  Hantaan virus disease
  Hantavirus disease with renal manifestations
  Nephropathia epidemica
  Songo fever
  Type 1 Excludes
  hantavirus (cardio)-pulmonary syndrome (B33.4)
- sore B00.1
  ICD-10-CM Diagnosis Code B00.1
  Herpesviral vesicular dermatitis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Herpes simplex facialis
  Herpes simplex labialis
  Herpes simplex otitis externa
  Vesicular dermatitis of ear
  Vesicular dermatitis of lip
- South African tick-bite A68.1
  ICD-10-CM Diagnosis Code A68.1
  Tick-borne relapsing fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Relapsing fever due to any Borrelia species other than Borrelia recurrentis
- Southeast Asia hemorrhagic A91
  ICD-10-CM Diagnosis Code A91
  Dengue hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- spinal - see Meningitis
- spirillary A25.0
  ICD-10-CM Diagnosis Code A25.0
  Spirillosis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Sodoku
- splenic - see Anthrax
- spotted A77.9
  ICD-10-CM Diagnosis Code A77.9
  Spotted fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Tick-borne typhus NOS
  - American A77.0
    ICD-10-CM Diagnosis Code A77.0
    Spotted fever due to Rickettsia rickettsii
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Rocky Mountain spotted fever
    Sao Paulo fever
  - Brazilian A77.0
    ICD-10-CM Diagnosis Code A77.0
    Spotted fever due to Rickettsia rickettsii
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Rocky Mountain spotted fever
    Sao Paulo fever
  - cerebrospinal meningitis A39.0
    ICD-10-CM Diagnosis Code A39.0
    Meningococcal meningitis
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Colombian A77.0
    ICD-10-CM Diagnosis Code A77.0
    Spotted fever due to Rickettsia rickettsii
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Rocky Mountain spotted fever
    Sao Paulo fever
  - due to Rickettsia
    - africae A77.8
      (African tick bite fever)
      ICD-10-CM Diagnosis Code A77.8
      Other spotted fevers
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Rickettsia 364D/R. philipii (Pacific Coast tick fever)
      Spotted fever due to Rickettsia africae (African tick bite fever)
      Spotted fever due to Rickettsia parkeri
    - australis A77.3
      ICD-10-CM Diagnosis Code A77.3
      Spotted fever due to Rickettsia australis
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Queensland tick typhus
    - conorii A77.1
      ICD-10-CM Diagnosis Code A77.1
      Spotted fever due to Rickettsia conorii
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      African tick typhus
      Boutonneuse fever
      India tick typhus
      Kenya tick typhus
      Marseilles fever
      Mediterranean tick fever
    - parkeri A77.8
      ICD-10-CM Diagnosis Code A77.8
      Other spotted fevers
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Rickettsia 364D/R. philipii (Pacific Coast tick fever)
      Spotted fever due to Rickettsia africae (African tick bite fever)
      Spotted fever due to Rickettsia parkeri
    - rickettsii A77.0
      ICD-10-CM Diagnosis Code A77.0
      Spotted fever due to Rickettsia rickettsii
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Rocky Mountain spotted fever
      Sao Paulo fever
    - sibirica A77.2
      ICD-10-CM Diagnosis Code A77.2
      Spotted fever due to Rickettsia siberica
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      North Asian tick fever
      Siberian tick typhus
    - specified type NEC A77.8
      ICD-10-CM Diagnosis Code A77.8
      Other spotted fevers
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Rickettsia 364D/R. philipii (Pacific Coast tick fever)
      Spotted fever due to Rickettsia africae (African tick bite fever)
      Spotted fever due to Rickettsia parkeri
  - Ehrlichiosis A77.40
    ICD-10-CM Diagnosis Code A77.40
    Ehrlichiosis, unspecified
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    - due to
      - E. chafeensis A77.41
        ICD-10-CM Diagnosis Code A77.41
        Ehrlichiosis chafeensis [E. chafeensis]
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      - specified organism NEC A77.49
        ICD-10-CM Diagnosis Code A77.49
        Other ehrlichiosis
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Applicable To
        Ehrlichiosis due to E. ewingii
        Ehrlichiosis due to E. muris euclairensis
  - Rocky Mountain A77.0
    ICD-10-CM Diagnosis Code A77.0
    Spotted fever due to Rickettsia rickettsii
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Rocky Mountain spotted fever
    Sao Paulo fever
- steroid R50.2
  ICD-10-CM Diagnosis Code R50.2
  Drug induced fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Type 1 Excludes
  postvaccination (postimmunization) fever (R50.83)
  Use Additional
  code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
- streptobacillary A25.1
  ICD-10-CM Diagnosis Code A25.1
  Streptobacillosis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Epidemic arthritic erythema
  Haverhill fever
  Streptobacillary rat-bite fever
- subtertian B50.9
  ICD-10-CM Diagnosis Code B50.9
  Plasmodium falciparum malaria, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Sumatran mite A75.3
  ICD-10-CM Diagnosis Code A75.3
  Typhus fever due to Rickettsia tsutsugamushi
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Scrub (mite-borne) typhus
  Tsutsugamushi fever
  Typhus fever due to Orientia Tsutsugamushi (scrub typhus)
- sun A90
  ICD-10-CM Diagnosis Code A90
  Dengue fever [classical dengue]
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Type 1 Excludes
  dengue hemorrhagic fever (A91)
- swamp A27.9
  ICD-10-CM Diagnosis Code A27.9
  Leptospirosis, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- swine A02.8
  ICD-10-CM Diagnosis Code A02.8
  Other specified salmonella infections
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- sylvatic, yellow A95.0
  ICD-10-CM Diagnosis Code A95.0
  Sylvatic yellow fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Jungle yellow fever
- Tahyna B33.8
  ICD-10-CM Diagnosis Code B33.8
  Other specified viral diseases
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Type 1 Excludes
  anogenital human papillomavirus infection (A63.0)
  viral warts due to human papillomavirus infection (B07)
- tertian - see Malaria, tertian
- Thailand hemorrhagic A91
  ICD-10-CM Diagnosis Code A91
  Dengue hemorrhagic fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- thermic T67.01
  ICD-10-CM Diagnosis Code T67.01
  Heatstroke and sunstroke
  2020 - New Code 2021 Non-Billable/Non-Specific Code
  Applicable To
  Heat apoplexy
  Heat pyrexia
  Siriasis
  Thermoplegia
- three-day A93.1
  ICD-10-CM Diagnosis Code A93.1
  Sandfly fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Pappataci fever
  Phlebotomus fever
- tick
  - American mountain A93.2
    ICD-10-CM Diagnosis Code A93.2
    Colorado tick fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Colorado A93.2
    ICD-10-CM Diagnosis Code A93.2
    Colorado tick fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Kemerovo A93.8
    ICD-10-CM Diagnosis Code A93.8
    Other specified arthropod-borne viral fevers
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Piry virus disease
    Vesicular stomatitis virus disease [Indiana fever]
  - Mediterranean A77.1
    ICD-10-CM Diagnosis Code A77.1
    Spotted fever due to Rickettsia conorii
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    African tick typhus
    Boutonneuse fever
    India tick typhus
    Kenya tick typhus
    Marseilles fever
    Mediterranean tick fever
  - mountain A93.2
    ICD-10-CM Diagnosis Code A93.2
    Colorado tick fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - nonexanthematous A93.2
    ICD-10-CM Diagnosis Code A93.2
    Colorado tick fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - Quaranfil A93.8
    ICD-10-CM Diagnosis Code A93.8
    Other specified arthropod-borne viral fevers
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Piry virus disease
    Vesicular stomatitis virus disease [Indiana fever]
- tick-bite NEC A93.8
  ICD-10-CM Diagnosis Code A93.8
  Other specified arthropod-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Piry virus disease
  Vesicular stomatitis virus disease [Indiana fever]
- tick-borne A93.8
  (hemorrhagic)
  ICD-10-CM Diagnosis Code A93.8
  Other specified arthropod-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Piry virus disease
  Vesicular stomatitis virus disease [Indiana fever]
- trench A79.0
  ICD-10-CM Diagnosis Code A79.0
  Trench fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Quintan fever
  Wolhynian fever
- tsutsugamushi A75.3
  ICD-10-CM Diagnosis Code A75.3
  Typhus fever due to Rickettsia tsutsugamushi
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Scrub (mite-borne) typhus
  Tsutsugamushi fever
  Typhus fever due to Orientia Tsutsugamushi (scrub typhus)
- typhogastric A01.00
  ICD-10-CM Diagnosis Code A01.00
  Typhoid fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- typhoid (abortive) (hemorrhagic) (intermittent) (malignant) A01.00
  ICD-10-CM Diagnosis Code A01.00
  Typhoid fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - complicated by
    - arthritis A01.04
      ICD-10-CM Diagnosis Code A01.04
      Typhoid arthritis
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    - heart involvement A01.02
      ICD-10-CM Diagnosis Code A01.02
      Typhoid fever with heart involvement
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      Typhoid endocarditis
      Typhoid myocarditis
    - meningitis A01.01
      ICD-10-CM Diagnosis Code A01.01
      Typhoid meningitis
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    - osteomyelitis A01.05
      ICD-10-CM Diagnosis Code A01.05
      Typhoid osteomyelitis
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    - pneumonia A01.03
      ICD-10-CM Diagnosis Code A01.03
      Typhoid pneumonia
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    - specified NEC A01.09
      ICD-10-CM Diagnosis Code A01.09
      Typhoid fever with other complications
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
- typhomalarial - see Malaria
- typhus - see Typhus (fever)
- undulant - see Brucellosis
- unknown origin R50.9
  ICD-10-CM Diagnosis Code R50.9
  Fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Fever NOS
  Fever of unknown origin [FUO]
  Fever with chills
  Fever with rigors
  Hyperpyrexia NOS
  Persistent fever
  Pyrexia NOS
- uveoparotid D86.89
  ICD-10-CM Diagnosis Code D86.89
  Sarcoidosis of other sites
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Hepatic granuloma
  Uveoparotid fever [Heerfordt]
- valley B38.0
  ICD-10-CM Diagnosis Code B38.0
  Acute pulmonary coccidioidomycosis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Venezuelan equine A92.2
  ICD-10-CM Diagnosis Code A92.2
  Venezuelan equine fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Venezuelan equine encephalitis
  Venezuelan equine encephalomyelitis virus disease
- vesicular stomatitis A93.8
  ICD-10-CM Diagnosis Code A93.8
  Other specified arthropod-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Piry virus disease
  Vesicular stomatitis virus disease [Indiana fever]
- viral hemorrhagic - see Fever, hemorrhagic, by type of virus
- Volhynian A79.0
  ICD-10-CM Diagnosis Code A79.0
  Trench fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Quintan fever
  Wolhynian fever
- Wesselsbron A92.8
  (viral)
  ICD-10-CM Diagnosis Code A92.8
  Other specified mosquito-borne viral fevers
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
- West
  - African B50.8
    ICD-10-CM Diagnosis Code B50.8
    Other severe and complicated Plasmodium falciparum malaria
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Severe or complicated Plasmodium falciparum malaria NOS
  - Nile (viral) A92.30
    ICD-10-CM Diagnosis Code A92.30
    West Nile virus infection, unspecified
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    West Nile fever NOS
    West Nile fever without complications
    West Nile virus NOS
    - with
      - complications NEC A92.39
        ICD-10-CM Diagnosis Code A92.39
        West Nile virus infection with other complications
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Use Additional
        code to specify the other conditions
      - cranial nerve disorders A92.32
        ICD-10-CM Diagnosis Code A92.32
        West Nile virus infection with other neurologic manifestation
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Use Additional
        code to specify the neurologic manifestation
      - encephalitis A92.31
        ICD-10-CM Diagnosis Code A92.31
        West Nile virus infection with encephalitis
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Applicable To
        West Nile encephalitis
        West Nile encephalomyelitis
      - encephalomyelitis A92.31
        ICD-10-CM Diagnosis Code A92.31
        West Nile virus infection with encephalitis
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Applicable To
        West Nile encephalitis
        West Nile encephalomyelitis
      - neurologic manifestation NEC A92.32
        ICD-10-CM Diagnosis Code A92.32
        West Nile virus infection with other neurologic manifestation
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Use Additional
        code to specify the neurologic manifestation
      - optic neuritis A92.32
        ICD-10-CM Diagnosis Code A92.32
        West Nile virus infection with other neurologic manifestation
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Use Additional
        code to specify the neurologic manifestation
      - polyradiculitis A92.32
        ICD-10-CM Diagnosis Code A92.32
        West Nile virus infection with other neurologic manifestation
        2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Use Additional
        code to specify the neurologic manifestation
- Whitmore's - see Melioidosis
- Wolhynian A79.0
  ICD-10-CM Diagnosis Code A79.0
  Trench fever
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Quintan fever
  Wolhynian fever
- worm B83.9
  ICD-10-CM Diagnosis Code B83.9
  Helminthiasis, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Worms NOS
  Type 1 Excludes
  intestinal helminthiasis NOS (B82.0)
- yellow A95.9
  ICD-10-CM Diagnosis Code A95.9
  Yellow fever, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - jungle A95.0
    ICD-10-CM Diagnosis Code A95.0
    Sylvatic yellow fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Jungle yellow fever
  - sylvatic A95.0
    ICD-10-CM Diagnosis Code A95.0
    Sylvatic yellow fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Jungle yellow fever
  - urban A95.1
    ICD-10-CM Diagnosis Code A95.1
    Urban yellow fever
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Zika virus A92.5
  ICD-10-CM Diagnosis Code A92.5
  Zika virus disease
  2017 - New Code 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Zika virus fever
  Zika virus infection
  Zika NOS
  Type 1 Excludes
  congenital Zika virus disease (P35.4)

Index Terms Starting With 'F' (Fever)

Fever, unspecified

Brucellosis due to Brucella abortus

Dengue fever [classical dengue]

Other spotted fevers

Tick-borne relapsing fever

Colorado tick fever

Spotted fever due to Rickettsia rickettsii

Other specified viral infections characterized by skin and mucous membrane lesions

Unspecified arthropod-borne viral fever

Unspecified arthropod-borne viral fever

Other specified arthropod-borne viral fevers

Junin hemorrhagic fever

Visceral leishmaniasis

Q fever

Dengue hemorrhagic fever

Other specified mosquito-borne viral fevers

Systemic bartonellosis

Other severe and complicated Plasmodium falciparum malaria

Other severe and complicated Plasmodium falciparum malaria

Herpesviral vesicular dermatitis

Machupo hemorrhagic fever

Exhaustion due to excessive exertion

Spotted fever due to Rickettsia conorii

Brazilian purpuric fever

Dengue fever [classical dengue]

Spotted fever due to Rickettsia rickettsii

Other specified mosquito-borne viral fevers

Visceral leishmaniasis

Other specified mosquito-borne viral fevers

Typhus fever, unspecified

Cat-scratch disease

Acute nasopharyngitis [common cold]

Chronic rhinitis

Crimean-Congo hemorrhagic fever

Meningococcal meningitis

Plasmodium falciparum malaria, unspecified

Other specified mosquito-borne viral fevers

Sandfly fever

Chikungunya virus disease

Sandfly fever

Colorado tick fever

Crimean-Congo hemorrhagic fever

Plasmodium falciparum malaria, unspecified

Crimean-Congo hemorrhagic fever

Dengue fever [classical dengue]

Dengue fever [classical dengue]

Dengue hemorrhagic fever

Sandfly fever

Acute pulmonary coccidioidomycosis

Drug induced fever

Fever presenting with conditions classified elsewhere

Heatstroke and sunstroke

Typhoid fever, unspecified

Enteroviral exanthematous fever [Boston exanthem]

Fever, unspecified

Hemorrhagic fever with renal syndrome

Plasmodium falciparum malaria, unspecified

Epidemic louse-borne typhus fever due to Rickettsia prowazekii

Trench fever

Pyrexia of unknown origin following delivery

Other forms of leptospirosis

Typhoid fever, unspecified

Other specified mosquito-borne viral fevers

Streptobacillosis

Allergic rhinitis due to pollen

Other allergic rhinitis

Allergic rhinitis due to pollen

Unspecified asthma, uncomplicated

Unspecified asthma with (acute) exacerbation

Unspecified asthma with status asthmaticus

Heatstroke and sunstroke

Other severe and complicated Plasmodium falciparum malaria

Other severe and complicated Plasmodium falciparum malaria

Unspecified arthropod-borne viral fever

Arenaviral hemorrhagic fever, unspecified

Other arenaviral hemorrhagic fevers

Junin hemorrhagic fever

Dengue hemorrhagic fever

Machupo hemorrhagic fever