G04.01
BillablePostinfect acute dissem encephalitis and encephalomyelitis
Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
Coding Notes
Includes
Conditions included under this code
- acute ascending myelitis
- meningoencephalitis
- meningomyelitis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- acute transverse myelitis (G37.3)
- alcoholic encephalopathy (G31.2)
- multiple sclerosis (G35)
- myalgic encephalomyelitis (G93.32)
- subacute necrotizing myelitis (G37.4)
- toxic encephalitis (G92.8)
- toxic encephalopathy (G92.8)
Also Known As / Clinical Terms
SNOMED CT
- ADEM - Acute disseminated encephalomyelitis83942000
- Acute disseminated encephalomyelitis83942000
- Post-infectious encephalitis192727001
- Cerebellar ataxia associated with another disorder192874000
- Bacterial ventriculitis230158001
- Bacterial ventriculitis, brain230158001
- Post-influenza encephalitis230188005
- Post-infectious encephalomyelitis230199007
- Demyelination of spinal cord308634000
- Spinal demyelination308634000
- Infective ventriculitis312217003
- Infective ventriculitis, brain312217003
- Staphylococcus epidermidis ventriculitis371031006
- Infection caused by Staphylococcus epidermidis406608004
- Post-infective myelitis426266003
- Acute cerebellar ataxia following infectious disease1366187006
- Acute postinfectious cerebellar ataxia1366187006
- Post-infectious cerebellitis1366187006
- Postinfectious cerebellitis1366187006
- Acute disseminated encephalomyelitis following infectious disease182961000119101
- Infection caused by coagulase-negative Staphylococcus120821000119107
- Ventriculitis of the brain89441000119109
Frequently Asked Questions
What is ICD-10 code G04.01?
ICD-10-CM code G04.01 represents "Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)". It is a billable/specific code that can be used on a claim.
Is G04.01 a billable code?
Yes, G04.01 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G04.01 in?
G04.01 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G04.01?
G04.01 has Excludes1 notes indicating codes that cannot be used together with it, including: encephalopathy NOS (G93.40); acute necrotizing hemorrhagic encephalopathy (G04.3-); other noninfectious acute disseminated encephalomyelitis (noninfectious ADEM) (G04.81); and 3 more.
What SNOMED CT codes does G04.01 map to?
G04.01 maps to 15 SNOMED CT concepts: 83942000, 1366187006, 182961000119101, 230158001, 192874000, and 10 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G04.01?
G04.01 is linked to 1 UMLS Concept Unique Identifier: C3263956. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.