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ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

G04.01 – Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)

Overview

Coding Notes

Active
Billable, valid for HIPAA-covered transactions

Type 1 Excludes

post chickenpox encephalitis (B01.1)
post measles encephalitis (B05.0)
post measles myelitis (B05.1)

GEM Conversion to ICD-9 CM

Fs: 10000 – Infectious acute disseminated encephalomyelitis (ADEM)

MDC / MS-DRG Reference

CRANIOTOMY WITH MAJOR DEVICE IMPLANT OR ACUTE COMPLEX CNS PRINCIPAL DIAGNOSIS WITH MCC OR CHEMOTHERAPY IMPLANT OR EPILEPSY WITH NEUROSTIMULATOR
CRANIOTOMY WITH MAJOR DEVICE IMPLANT OR ACUTE COMPLEX CNS PRINCIPAL DIAGNOSIS WITHOUT MCC
NON-BACTERIAL INFECTION OF NERVOUS SYSTEM EXCEPT VIRAL MENINGITIS WITH MCC
NON-BACTERIAL INFECTION OF NERVOUS SYSTEM EXCEPT VIRAL MENINGITIS WITH CC
NON-BACTERIAL INFECTION OF NERVOUS SYSTEM EXCEPT VIRAL MENINGITIS WITHOUT CC/MCC

Back Reference of Diagnostic Codes


Sibling Codes

Acute disseminated encephalitis and encephalomyelitis, unspecified
Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis

Parent Sibling Codes

Acute disseminated encephalitis and encephalomyelitis (ADEM)
Tropical spastic paraplegia
Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
Acute necrotizing hemorrhagic encephalopathy
Other encephalitis, myelitis and encephalomyelitis
Encephalitis, myelitis and encephalomyelitis, unspecified

View in Tabular

Code Title
G00-G99 Diseases of the nervous system (G00-G99)
G00-G09 Inflammatory diseases of the central nervous system (G00-G09)
G04 Encephalitis, myelitis and encephalomyelitis
G04.0 Acute disseminated encephalitis and encephalomyelitis (ADEM)
G04.01 Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
Type 1 Excludes
post chickenpox encephalitis (B01.1)
post measles encephalitis (B05.0)
post measles myelitis (B05.1)