G37 – Other demyelinating diseases of central nervous system
ICD-10-CM 2027 diagnosis code · Demyelinating diseases of the central nervous system
ICD-10-CM code
G37
- Code
G37(claims format:G37)- Description
- Other demyelinating diseases of central nervous system
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G35-G37 Demyelinating diseases of the central nervous system
Billable codes under G37
G37 is a header code and cannot be used on claims. Choose the most specific code:
- G37.0 – Diffuse sclerosis of central nervous systemBillable
- G37.1 – Central demyelination of corpus callosumBillable
- G37.2 – Central pontine myelinolysisBillable
- G37.3 – Acute transverse myelitis in demyelinating disease of central nervous systemBillable
- G37.4 – Subacute necrotizing myelitis of central nervous systemBillable
- G37.5 – Concentric sclerosis [Balo] of central nervous systemBillable
- G37.8 – Other specified demyelinating diseases of central nervous systemHeader (more codes below)
- G37.9 – Demyelinating disease of central nervous system, unspecifiedBillable
Frequently asked questions
What is ICD-10 code G37?
G37 is the ICD-10-CM code for other demyelinating diseases of central nervous system, in the block G35-G37 (Demyelinating diseases of the central nervous system).
Is G37 a billable code?
No. G37 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.