G04.02 POSTIMMUN AC DISSEM ENCPHLTS, MYELITIS AND ENCEPHALOMYELITIS

Home > ICD-10 List > Diseases of the nervous system > Inflammatory diseases of the central nervous system (G00-G09) > Encephalitis, myelitis and encephalomyelitis (G04) > G04.02

Code Information

Diagnosis Code: G04.02

Short Description: Postimmun ac dissem encphlts, myelitis and encephalomyelitis

Long Description: Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis

The code G04.02 is VALID for claim submission

Code Classification:

Diseases of the nervous system (G00–G99)
- Inflammatory diseases of the central nervous system (G00-G09)
  - Encephalitis, myelitis and encephalomyelitis (G04)
    - G04.02 Postimmun ac dissem encphlts, myelitis and encephalomyelitis

Code Version: 2022 ICD-10-CM

Synonyms

Complication of smallpox vaccination
Post BCG vaccination encephalitis
Post cholera vaccination encephalitis
Post diphtheria vaccination encephalitis
Post hepatitis A vaccination encephalitis
Post hepatitis B vaccination encephalitis
Post influenza vaccination encephalitis
Post measles vaccination encephalitis
Post mixed vaccination encephalitis
Post mumps vaccination encephalitis
Post paratyphoid vaccination encephalitis
Post pertussis vaccination encephalitis
Post plague vaccination encephalitis
Post polio vaccination encephalitis
Post rabies vaccination encephalitis
Post rubella vaccination encephalitis
Post smallpox vaccination encephalitis
Post tetanus vaccination encephalitis
Post typhoid vaccination encephalitis
Post typhus vaccination encephalitis
Post yellow fever vaccination encephalitis
Post-immunization encephalitis
Post-immunization myelitis
Postvaccinal encephalomyelitis

References to Index of Diseases and Injuries

The code G04.02 has the following ICD-10-CM references to the Index of Diseases and Injuries

Inclusion Terms:
- Encephalitis, post immunization
- Encephalomyelitis, post immunization

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
G04.02		323.51	Enceph/myel folwg immune
G04.02		323.52	Myelitis follwg immune

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code	ICD-10 Description
G04	Encephalitis, myelitis and encephalomyelitis
G04.0	Acute disseminated encephalitis and encephalomyelitis (ADEM)
G04.00	Acute disseminated encephalitis and encephalomyelitis, unspecified
G04.01	Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
G04.1	Tropical spastic paraplegia
G04.2	Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
G04.3	Acute necrotizing hemorrhagic encephalopathy
G04.30	Acute necrotizing hemorrhagic encephalopathy, unspecified
G04.31	Postinfectious acute necrotizing hemorrhagic encephalopathy
G04.32	Postimmunization acute necrotizing hemorrhagic encephalopathy
G04.39	Other acute necrotizing hemorrhagic encephalopathy
G04.8	Other encephalitis, myelitis and encephalomyelitis
G04.81	Other encephalitis and encephalomyelitis
G04.82	Acute flaccid myelitis
G04.89	Other myelitis
G04.9	Encephalitis, myelitis and encephalomyelitis, unspecified
G04.90	Encephalitis and encephalomyelitis, unspecified
G04.91	Myelitis, unspecified

This page was last updated on: 10/1/2023

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