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2021
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Applicable To Crosswalk
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Type 1 Excludes Crosswalk
Type 2 Excludes Crosswalk
Use Additional Crosswalk
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2021 ICD-10-CM Index
›
'E' Terms
›
Index Terms Starting With 'E' (Encephalitis)
Index Terms Starting With 'E' (Encephalitis)
Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute)
G04.90
ICD-10-CM Diagnosis Code
G04.90
Encephalitis and encephalomyelitis, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Ventriculitis (cerebral) NOS
acute
A86
- see also
Encephalitis, viral
ICD-10-CM Diagnosis Code
A86
Unspecified viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Viral encephalomyelitis NOS
Viral meningoencephalitis NOS
disseminated
G04.00
ICD-10-CM Diagnosis Code
G04.00
Acute disseminated encephalitis and encephalomyelitis, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
infectious
G04.01
ICD-10-CM Diagnosis Code
G04.01
Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Type 1 Excludes
post chickenpox encephalitis (
B01.1
)
post measles encephalitis (
B05.0
)
post measles myelitis (
B05.1
)
noninfectious
G04.81
ICD-10-CM Diagnosis Code
G04.81
Other encephalitis and encephalomyelitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Noninfectious acute disseminated encephalomyelitis (noninfectious ADEM)
postimmunization
G04.02
(postvaccination)
ICD-10-CM Diagnosis Code
G04.02
Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Encephalitis, post immunization
Encephalomyelitis, post immunization
Use Additional
code to identify the vaccine (
T50.A-
,
T50.B-
,
T50.Z-
)
postinfectious
G04.01
ICD-10-CM Diagnosis Code
G04.01
Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Type 1 Excludes
post chickenpox encephalitis (
B01.1
)
post measles encephalitis (
B05.0
)
post measles myelitis (
B05.1
)
inclusion body
A85.8
ICD-10-CM Diagnosis Code
A85.8
Other specified viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Encephalitis lethargica
Von Economo-Cruchet disease
necrotizing hemorrhagic
G04.30
ICD-10-CM Diagnosis Code
G04.30
Acute necrotizing hemorrhagic encephalopathy, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
postimmunization
G04.32
ICD-10-CM Diagnosis Code
G04.32
Postimmunization acute necrotizing hemorrhagic encephalopathy
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Use Additional
code to identify the vaccine (
T50.A-
,
T50.B-
,
T50.Z-
)
postinfectious
G04.31
ICD-10-CM Diagnosis Code
G04.31
Postinfectious acute necrotizing hemorrhagic encephalopathy
2016
2017
2018
2019
2020
2021
Billable/Specific Code
specified NEC
G04.39
ICD-10-CM Diagnosis Code
G04.39
Other acute necrotizing hemorrhagic encephalopathy
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Code Also
underlying etiology, if applicable
arboviral, arbovirus NEC
A85.2
ICD-10-CM Diagnosis Code
A85.2
Arthropod-borne viral encephalitis, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Type 1 Excludes
West nile virus with encephalitis (
A92.31
)
arthropod-borne NEC
A85.2
(viral)
ICD-10-CM Diagnosis Code
A85.2
Arthropod-borne viral encephalitis, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Type 1 Excludes
West nile virus with encephalitis (
A92.31
)
Australian
A83.4
ICD-10-CM Diagnosis Code
A83.4
Australian encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Kunjin virus disease
California
A83.5
(virus)
ICD-10-CM Diagnosis Code
A83.5
California encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
California meningoencephalitis
La Crosse encephalitis
Central European
A84.1
(tick-borne)
ICD-10-CM Diagnosis Code
A84.1
Central European tick-borne encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Czechoslovakian
A84.1
ICD-10-CM Diagnosis Code
A84.1
Central European tick-borne encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Dawson's
A81.1
(inclusion body)
ICD-10-CM Diagnosis Code
A81.1
Subacute sclerosing panencephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Dawson's inclusion body encephalitis
Van Bogaert's sclerosing leukoencephalopathy
diffuse sclerosing
A81.1
ICD-10-CM Diagnosis Code
A81.1
Subacute sclerosing panencephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Dawson's inclusion body encephalitis
Van Bogaert's sclerosing leukoencephalopathy
disseminated, acute
G04.00
ICD-10-CM Diagnosis Code
G04.00
Acute disseminated encephalitis and encephalomyelitis, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
due to
cat scratch disease
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
human immunodeficiency virus
B20
(HIV)
ICD-10-CM Diagnosis Code
B20
Human immunodeficiency virus [HIV] disease
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Code First
Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable (
O98.7-
)
Includes
acquired immune deficiency syndrome [AIDS]
AIDS-related complex [ARC]
HIV infection, symptomatic
Type 1 Excludes
asymptomatic human immunodeficiency virus [HIV] infection status (
Z21
)
exposure to HIV virus (
Z20.6
)
inconclusive serologic evidence of HIV (
R75
)
Use Additional
code(s) to identify all manifestations of HIV infection
malaria - see
Malaria
rickettsiosis - see
Rickettsiosis
smallpox inoculation
G04.02
ICD-10-CM Diagnosis Code
G04.02
Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Encephalitis, post immunization
Encephalomyelitis, post immunization
Use Additional
code to identify the vaccine (
T50.A-
,
T50.B-
,
T50.Z-
)
typhus - see
Typhus
Eastern equine
A83.2
ICD-10-CM Diagnosis Code
A83.2
Eastern equine encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
endemic
A86
(viral)
ICD-10-CM Diagnosis Code
A86
Unspecified viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Viral encephalomyelitis NOS
Viral meningoencephalitis NOS
epidemic NEC
A86
(viral)
ICD-10-CM Diagnosis Code
A86
Unspecified viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Viral encephalomyelitis NOS
Viral meningoencephalitis NOS
equine (acute) (infectious) (viral)
A83.9
ICD-10-CM Diagnosis Code
A83.9
Mosquito-borne viral encephalitis, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Eastern
A83.2
ICD-10-CM Diagnosis Code
A83.2
Eastern equine encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Venezuelan
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
Western
A83.1
ICD-10-CM Diagnosis Code
A83.1
Western equine encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Far Eastern
A84.0
(tick-borne)
ICD-10-CM Diagnosis Code
A84.0
Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
2016
2017
2018
2019
2020
2021
Billable/Specific Code
following vaccination or other immunization procedure
G04.02
ICD-10-CM Diagnosis Code
G04.02
Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Encephalitis, post immunization
Encephalomyelitis, post immunization
Use Additional
code to identify the vaccine (
T50.A-
,
T50.B-
,
T50.Z-
)
herpes zoster
B02.0
ICD-10-CM Diagnosis Code
B02.0
Zoster encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Zoster meningoencephalitis
herpesviral
B00.4
ICD-10-CM Diagnosis Code
B00.4
Herpesviral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Herpesviral meningoencephalitis
Simian B disease
Type 1 Excludes
herpesviral encephalitis due to herpesvirus 6 and 7 (
B10.01
,
B10.09
)
non-simplex herpesviral encephalitis (
B10.0-
)
due to herpesvirus 6
B10.01
ICD-10-CM Diagnosis Code
B10.01
Human herpesvirus 6 encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
due to herpesvirus 7
B10.09
ICD-10-CM Diagnosis Code
B10.09
Other human herpesvirus encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Human herpesvirus 7 encephalitis
specified NEC
B10.09
ICD-10-CM Diagnosis Code
B10.09
Other human herpesvirus encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Human herpesvirus 7 encephalitis
Ilheus
A83.8
(virus)
ICD-10-CM Diagnosis Code
A83.8
Other mosquito-borne viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
in (due to)
actinomycosis
A42.82
ICD-10-CM Diagnosis Code
A42.82
Actinomycotic encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
adenovirus
A85.1
ICD-10-CM Diagnosis Code
A85.1
Adenoviral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Adenoviral meningoencephalitis
African trypanosomiasis
B56.9
ICD-10-CM Diagnosis Code
B56.9
African trypanosomiasis, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Sleeping sickness NOS
Chagas' disease
B57.42
(chronic)
ICD-10-CM Diagnosis Code
B57.42
Meningoencephalitis in Chagas' disease
2016
2017
2018
2019
2020
2021
Billable/Specific Code
cytomegalovirus
B25.8
ICD-10-CM Diagnosis Code
B25.8
Other cytomegaloviral diseases
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Cytomegaloviral encephalitis
enterovirus
A85.0
ICD-10-CM Diagnosis Code
A85.0
Enteroviral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Enteroviral encephalomyelitis
herpes (simplex)
B00.4
ICD-10-CM Diagnosis Code
B00.4
Herpesviral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Herpesviral meningoencephalitis
Simian B disease
Type 1 Excludes
herpesviral encephalitis due to herpesvirus 6 and 7 (
B10.01
,
B10.09
)
non-simplex herpesviral encephalitis (
B10.0-
)
due to herpesvirus 6
B10.01
ICD-10-CM Diagnosis Code
B10.01
Human herpesvirus 6 encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
due to herpesvirus 7
B10.09
ICD-10-CM Diagnosis Code
B10.09
Other human herpesvirus encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Human herpesvirus 7 encephalitis
specified NEC
B10.09
ICD-10-CM Diagnosis Code
B10.09
Other human herpesvirus encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Human herpesvirus 7 encephalitis
infectious disease NEC
B99
ICD-10-CM Diagnosis Code
B99
Other and unspecified infectious diseases
2016
2017
2018
2019
2020
2021
Non-Billable/Non-Specific Code
influenza - see
Influenza, with, encephalopathy
listeriosis
A32.12
ICD-10-CM Diagnosis Code
A32.12
Listerial meningoencephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
measles
B05.0
ICD-10-CM Diagnosis Code
B05.0
Measles complicated by encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Postmeasles encephalitis
mumps
B26.2
ICD-10-CM Diagnosis Code
B26.2
Mumps encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
naegleriasis
B60.2
ICD-10-CM Diagnosis Code
B60.2
Naegleriasis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Primary amebic meningoencephalitis
parasitic disease NEC
B89
ICD-10-CM Diagnosis Code
B89
Unspecified parasitic disease
2016
2017
2018
2019
2020
2021
Billable/Specific Code
poliovirus
A80.9
ICD-10-CM Diagnosis Code
A80.9
Acute poliomyelitis, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
rubella
B06.01
ICD-10-CM Diagnosis Code
B06.01
Rubella encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Rubella meningoencephalitis
syphilis
congenital
A50.42
ICD-10-CM Diagnosis Code
A50.42
Late congenital syphilitic encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
late
A52.14
ICD-10-CM Diagnosis Code
A52.14
Late syphilitic encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
systemic lupus erythematosus
M32.19
ICD-10-CM Diagnosis Code
M32.19
Other organ or system involvement in systemic lupus erythematosus
2016
2017
2018
2019
2020
2021
Billable/Specific Code
toxoplasmosis (acquired)
B58.2
ICD-10-CM Diagnosis Code
B58.2
Toxoplasma meningoencephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
congenital
P37.1
ICD-10-CM Diagnosis Code
P37.1
Congenital toxoplasmosis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Code on Newborn Record
Applicable To
Hydrocephalus due to congenital toxoplasmosis
tuberculosis
A17.82
ICD-10-CM Diagnosis Code
A17.82
Tuberculous meningoencephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Tuberculous myelitis
zoster
B02.0
ICD-10-CM Diagnosis Code
B02.0
Zoster encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Zoster meningoencephalitis
inclusion body
A81.1
ICD-10-CM Diagnosis Code
A81.1
Subacute sclerosing panencephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Dawson's inclusion body encephalitis
Van Bogaert's sclerosing leukoencephalopathy
infectious
A86
(acute) (virus)
ICD-10-CM Diagnosis Code
A86
Unspecified viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Viral encephalomyelitis NOS
Viral meningoencephalitis NOS
Japanese
A83.0
(B type)
ICD-10-CM Diagnosis Code
A83.0
Japanese encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
La Crosse
A83.5
ICD-10-CM Diagnosis Code
A83.5
California encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
California meningoencephalitis
La Crosse encephalitis
lead - see
Poisoning, lead
lethargica
A85.8
(acute) (infectious)
ICD-10-CM Diagnosis Code
A85.8
Other specified viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Encephalitis lethargica
Von Economo-Cruchet disease
louping ill
A84.89
ICD-10-CM Diagnosis Code
A84.89
Other tick-borne viral encephalitis
2021 - New Code
Billable/Specific Code
Applicable To
Louping ill
Code First
, if applicable, transfusion related infection (
T80.22-
)
lupus erythematosus, systemic
M32.19
ICD-10-CM Diagnosis Code
M32.19
Other organ or system involvement in systemic lupus erythematosus
2016
2017
2018
2019
2020
2021
Billable/Specific Code
lymphatica
A87.2
ICD-10-CM Diagnosis Code
A87.2
Lymphocytic choriomeningitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Lymphocytic meningoencephalitis
Mengo
A85.8
ICD-10-CM Diagnosis Code
A85.8
Other specified viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Encephalitis lethargica
Von Economo-Cruchet disease
meningococcal
A39.81
ICD-10-CM Diagnosis Code
A39.81
Meningococcal encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Murray Valley
A83.4
ICD-10-CM Diagnosis Code
A83.4
Australian encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Kunjin virus disease
otitic NEC
H66.40
ICD-10-CM Diagnosis Code
H66.40
Suppurative otitis media, unspecified, unspecified ear
2016
2017
2018
2019
2020
2021
Billable/Specific Code
parasitic NOS
B71.9
ICD-10-CM Diagnosis Code
B71.9
Cestode infection, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Tapeworm (infection) NOS
periaxial
G37.0
ICD-10-CM Diagnosis Code
G37.0
Diffuse sclerosis of central nervous system
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Periaxial encephalitis
Schilder's disease
Type 1 Excludes
X linked adrenoleukodystrophy (
E71.52-
)
periaxialis
G37.5
(concentrica) (diffuse)
ICD-10-CM Diagnosis Code
G37.5
Concentric sclerosis [Balo] of central nervous system
2016
2017
2018
2019
2020
2021
Billable/Specific Code
postchickenpox
B01.11
ICD-10-CM Diagnosis Code
B01.11
Varicella encephalitis and encephalomyelitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Postchickenpox encephalitis and encephalomyelitis
postexanthematous NEC
B09
ICD-10-CM Diagnosis Code
B09
Unspecified viral infection characterized by skin and mucous membrane lesions
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Viral enanthema NOS
Viral exanthema NOS
postimmunization
G04.02
ICD-10-CM Diagnosis Code
G04.02
Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Encephalitis, post immunization
Encephalomyelitis, post immunization
Use Additional
code to identify the vaccine (
T50.A-
,
T50.B-
,
T50.Z-
)
postinfectious NEC
G04.01
ICD-10-CM Diagnosis Code
G04.01
Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Type 1 Excludes
post chickenpox encephalitis (
B01.1
)
post measles encephalitis (
B05.0
)
post measles myelitis (
B05.1
)
postmeasles
B05.0
ICD-10-CM Diagnosis Code
B05.0
Measles complicated by encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Postmeasles encephalitis
postvaccinal
G04.02
ICD-10-CM Diagnosis Code
G04.02
Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Encephalitis, post immunization
Encephalomyelitis, post immunization
Use Additional
code to identify the vaccine (
T50.A-
,
T50.B-
,
T50.Z-
)
postvaricella
B01.11
ICD-10-CM Diagnosis Code
B01.11
Varicella encephalitis and encephalomyelitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Postchickenpox encephalitis and encephalomyelitis
postviral NEC
A86
ICD-10-CM Diagnosis Code
A86
Unspecified viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Viral encephalomyelitis NOS
Viral meningoencephalitis NOS
Powassan
A84.81
ICD-10-CM Diagnosis Code
A84.81
Powassan virus disease
2021 - New Code
Billable/Specific Code
Rasmussen
G04.81
ICD-10-CM Diagnosis Code
G04.81
Other encephalitis and encephalomyelitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Noninfectious acute disseminated encephalomyelitis (noninfectious ADEM)
Rio Bravo
A85.8
ICD-10-CM Diagnosis Code
A85.8
Other specified viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Encephalitis lethargica
Von Economo-Cruchet disease
Russian
autumnal
A83.0
ICD-10-CM Diagnosis Code
A83.0
Japanese encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
spring-summer
A84.0
(taiga)
ICD-10-CM Diagnosis Code
A84.0
Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
2016
2017
2018
2019
2020
2021
Billable/Specific Code
saturnine - see
Poisoning, lead
specified NEC
G04.81
ICD-10-CM Diagnosis Code
G04.81
Other encephalitis and encephalomyelitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Noninfectious acute disseminated encephalomyelitis (noninfectious ADEM)
St. Louis
A83.3
ICD-10-CM Diagnosis Code
A83.3
St Louis encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
subacute sclerosing
A81.1
ICD-10-CM Diagnosis Code
A81.1
Subacute sclerosing panencephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Dawson's inclusion body encephalitis
Van Bogaert's sclerosing leukoencephalopathy
summer
A83.0
ICD-10-CM Diagnosis Code
A83.0
Japanese encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
suppurative
G04.81
ICD-10-CM Diagnosis Code
G04.81
Other encephalitis and encephalomyelitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Noninfectious acute disseminated encephalomyelitis (noninfectious ADEM)
tick-borne
A84.9
ICD-10-CM Diagnosis Code
A84.9
Tick-borne viral encephalitis, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Torula, torular
B45.1
(cryptococcal)
ICD-10-CM Diagnosis Code
B45.1
Cerebral cryptococcosis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Cryptococcal meningitis
Cryptococcosis meningocerebralis
toxic NEC
G92
ICD-10-CM Diagnosis Code
G92
Toxic encephalopathy
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Toxic encephalitis
Toxic metabolic encephalopathy
Code First
, if applicable, drug induced (
T36-T50
) or use (
T51-T65
) to identify toxic agent
trichinosis
B75
ICD-10-CM Diagnosis Code
B75
Trichinellosis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Includes
infection due to Trichinella species
trichiniasis
type
B
A83.0
ICD-10-CM Diagnosis Code
A83.0
Japanese encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
C
A83.3
ICD-10-CM Diagnosis Code
A83.3
St Louis encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
van Bogaert's
A81.1
ICD-10-CM Diagnosis Code
A81.1
Subacute sclerosing panencephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Dawson's inclusion body encephalitis
Van Bogaert's sclerosing leukoencephalopathy
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
Vienna
A85.8
ICD-10-CM Diagnosis Code
A85.8
Other specified viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Encephalitis lethargica
Von Economo-Cruchet disease
viral, virus
A86
ICD-10-CM Diagnosis Code
A86
Unspecified viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Viral encephalomyelitis NOS
Viral meningoencephalitis NOS
arthropod-borne NEC
A85.2
ICD-10-CM Diagnosis Code
A85.2
Arthropod-borne viral encephalitis, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Type 1 Excludes
West nile virus with encephalitis (
A92.31
)
mosquito-borne
A83.9
ICD-10-CM Diagnosis Code
A83.9
Mosquito-borne viral encephalitis, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Australian X disease
A83.4
ICD-10-CM Diagnosis Code
A83.4
Australian encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Kunjin virus disease
California virus
A83.5
ICD-10-CM Diagnosis Code
A83.5
California encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
California meningoencephalitis
La Crosse encephalitis
Eastern equine
A83.2
ICD-10-CM Diagnosis Code
A83.2
Eastern equine encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Japanese
A83.0
(B type)
ICD-10-CM Diagnosis Code
A83.0
Japanese encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Murray Valley
A83.4
ICD-10-CM Diagnosis Code
A83.4
Australian encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Kunjin virus disease
specified NEC
A83.8
ICD-10-CM Diagnosis Code
A83.8
Other mosquito-borne viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
St. Louis
A83.3
ICD-10-CM Diagnosis Code
A83.3
St Louis encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
type B
A83.0
ICD-10-CM Diagnosis Code
A83.0
Japanese encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
type C
A83.3
ICD-10-CM Diagnosis Code
A83.3
St Louis encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Western equine
A83.1
ICD-10-CM Diagnosis Code
A83.1
Western equine encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
tick-borne
A84.9
ICD-10-CM Diagnosis Code
A84.9
Tick-borne viral encephalitis, unspecified
2016
2017
2018
2019
2020
2021
Billable/Specific Code
biundulant
A84.1
ICD-10-CM Diagnosis Code
A84.1
Central European tick-borne encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
central European
A84.1
ICD-10-CM Diagnosis Code
A84.1
Central European tick-borne encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Czechoslovakian
A84.1
ICD-10-CM Diagnosis Code
A84.1
Central European tick-borne encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
diphasic meningoencephalitis
A84.1
ICD-10-CM Diagnosis Code
A84.1
Central European tick-borne encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Far Eastern
A84.0
ICD-10-CM Diagnosis Code
A84.0
Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Russian spring-summer
A84.0
(taiga)
ICD-10-CM Diagnosis Code
A84.0
Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
2016
2017
2018
2019
2020
2021
Billable/Specific Code
specified NEC
A84.89
ICD-10-CM Diagnosis Code
A84.89
Other tick-borne viral encephalitis
2021 - New Code
Billable/Specific Code
Applicable To
Louping ill
Code First
, if applicable, transfusion related infection (
T80.22-
)
specified type NEC
A85.8
ICD-10-CM Diagnosis Code
A85.8
Other specified viral encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code
Applicable To
Encephalitis lethargica
Von Economo-Cruchet disease
tick-borne, specified NEC
A84.89
ICD-10-CM Diagnosis Code
A84.89
Other tick-borne viral encephalitis
2021 - New Code
Billable/Specific Code
Applicable To
Louping ill
Code First
, if applicable, transfusion related infection (
T80.22-
)
Western equine
A83.1
ICD-10-CM Diagnosis Code
A83.1
Western equine encephalitis
2016
2017
2018
2019
2020
2021
Billable/Specific Code