2019 ICD-10-CM Diagnosis Code B74.9

Filariasis, unspecified

    2016 2017 2018 2019 Billable/Specific Code
  • B74.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM B74.9 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of B74.9 - other international versions of ICD-10 B74.9 may differ.
The following code(s) above B74.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to B74.9:
  • A00-B99
    2019 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
    • infectious and parasitic diseases specific to the perinatal period (P35-P39)
    • influenza and other acute respiratory infections (J00-J22)
    Use Additional
    • code to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • B74
    ICD-10-CM Diagnosis Code B74

    Filariasis

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • onchocerciasis (B73)
    • tropical (pulmonary) eosinophilia NOS (J82)
    Filariasis
Approximate Synonyms
  • Disease due to superfamily filarioidea
  • Filariasis
  • Pulmonary filariasis
Clinical Information
  • Infections with nematodes of the superfamily filarioidea. The presence of living worms in the body is mainly asymptomatic but the death of adult worms leads to granulomatous inflammation and permanent fibrosis. Organisms of the genus elaeophora infect wild elk and domestic sheep causing ischemic necrosis of the brain, blindness, and dermatosis of the face.
  • Infections with nematodes of the superfamily filarioidea; presence of living worms in the body is mainly asymptomatic but the death of adult worms leads to granulomatous inflammation and permanent fibrosis; organisms of the genus elaeophora infect wild elk and domestic sheep causing ischaemic necrosis of the brain, blindness, and dermatosis of the face.
ICD-10-CM B74.9 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 867 Other infectious and parasitic diseases diagnoses with mcc
  • 868 Other infectious and parasitic diseases diagnoses with cc
  • 869 Other infectious and parasitic diseases diagnoses without cc/mcc

Convert B74.9 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
Code annotations containing back-references to B74.9:
  • Code First: N51
    , J91.8
    ICD-10-CM Diagnosis Code N51

    Disorders of male genital organs in diseases classified elsewhere

      2016 2017 2018 2019 Billable/Specific Code Male Dx Manifestation Code
    Code First
    Type 1 Excludes
    • amebic balanitis (A06.8)
    • candidal balanitis (B37.42)
    • gonococcal balanitis (A54.23)
    • gonococcal prostatitis (A54.22)
    • herpesviral [herpes simplex] balanitis (A60.01)
    • trichomonal prostatitis (A59.02)
    • tuberculous prostatitis (A18.14)
    ICD-10-CM Diagnosis Code J91.8

    Pleural effusion in other conditions classified elsewhere

      2016 2017 2018 2019 Billable/Specific Code Manifestation Code
    Code First

Diagnosis Index entries containing back-references to B74.9:
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
    ICD-10-CM Diagnosis Code M19.90

    Unspecified osteoarthritis, unspecified site

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Arthrosis NOS
    • Arthritis NOS
    • Osteoarthritis NOS
  • Chylocele (nonfilarial) I89.8
    ICD-10-CM Diagnosis Code I89.8

    Other specified noninfective disorders of lymphatic vessels and lymph nodes

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Chylocele (nonfilarial)
    • Chylous ascites
    • Chylous cyst
    • Lipomelanotic reticulosis
    • Lymph node or vessel fistula
    • Lymph node or vessel infarction
    • Lymph node or vessel rupture
    • tunica vaginalis N50.89
      ICD-10-CM Diagnosis Code N50.89

      Other specified disorders of the male genital organs

        2017 - New Code 2018 2019 Billable/Specific Code Male Dx
      Applicable To
      • Atrophy of scrotum, seminal vesicle, spermatic cord, tunica vaginalis and vas deferens
      • Chylocele, tunica vaginalis (nonfilarial) NOS
      • Edema of scrotum, seminal vesicle, spermatic cord, tunica vaginalis and vas deferens
      • Hypertrophy of scrotum, seminal vesicle, spermatic cord, tunica vaginalis and vas deferens
      • Stricture of spermatic cord, tunica vaginalis, and vas deferens
      • Ulcer of scrotum, seminal vesicle, spermatic cord, testis, tunica vaginalis and vas deferens
      • Urethroscrotal fistula
      • filarial B74.9 - see also Infestation, filarial
    • filarial B74.9 - see also Infestation, filarial
  • Chylothorax (nonfilarial) I89.8
    ICD-10-CM Diagnosis Code I89.8

    Other specified noninfective disorders of lymphatic vessels and lymph nodes

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Chylocele (nonfilarial)
    • Chylous ascites
    • Chylous cyst
    • Lipomelanotic reticulosis
    • Lymph node or vessel fistula
    • Lymph node or vessel infarction
    • Lymph node or vessel rupture
    • filarial B74.9 - see also Infestation, filarial
  • Conjunctivitis (staphylococcal) (streptococcal) H10.9
    ICD-10-CM Diagnosis Code H10.9

    Unspecified conjunctivitis

      2016 2017 2018 2019 Billable/Specific Code
  • Epididymitis (acute) (nonvenereal) (recurrent) (residual) N45.1
    ICD-10-CM Diagnosis Code N45.1

    Epididymitis

      2016 2017 2018 2019 Billable/Specific Code Male Dx
    • filarial B74.9 - see also Infestation, filarial
  • Hydrothorax (double) (pleura) J94.8
    ICD-10-CM Diagnosis Code J94.8

    Other specified pleural conditions

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Hydropneumothorax
    • Hydrothorax
    • chylous (nonfilarial) I89.8
      ICD-10-CM Diagnosis Code I89.8

      Other specified noninfective disorders of lymphatic vessels and lymph nodes

        2016 2017 2018 2019 Billable/Specific Code
      Applicable To
      • Chylocele (nonfilarial)
      • Chylous ascites
      • Chylous cyst
      • Lipomelanotic reticulosis
      • Lymph node or vessel fistula
      • Lymph node or vessel infarction
      • Lymph node or vessel rupture
      • filarial B74.9 - see also Infestation, filarial
  • Infestation B88.9
    ICD-10-CM Diagnosis Code B88.9

    Infestation, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Infestation (skin) NOS
    • Infestation by mites NOS
    • Skin parasites NOS
  • Mumu B74.9 - see also Infestation, filarial
  • Orchitis (gangrenous) (nonspecific) (septic) (suppurative) N45.2
    ICD-10-CM Diagnosis Code N45.2

    Orchitis

      2016 2017 2018 2019 Billable/Specific Code Male Dx
    • filarial B74.9 - see also Infestation, filarial

ICD-10-CM Codes Adjacent To B74.9
B73.02 Onchocerciasis with glaucoma
B73.09 Onchocerciasis with other eye involvement
B73.1 Onchocerciasis without eye disease
B74 Filariasis
B74.0 Filariasis due to Wuchereria bancrofti
B74.1 Filariasis due to Brugia malayi
B74.2 Filariasis due to Brugia timori
B74.3 Loiasis
B74.4 Mansonelliasis
B74.8 Other filariases
B74.9 Filariasis, unspecified
B75 Trichinellosis
B76 Hookworm diseases
B76.0 Ancylostomiasis
B76.1 Necatoriasis
B76.8 Other hookworm diseases
B76.9 Hookworm disease, unspecified
B77 Ascariasis
B77.0 Ascariasis with intestinal complications
B77.8 Ascariasis with other complications
B77.81 Ascariasis pneumonia

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.