G37.4 – Subacute necrotizing myelitis of central nervous system
ICD-10-CM 2027 diagnosis code · Demyelinating diseases of the central nervous system
ICD-10-CM code
G37.4
- Code
G37.4(claims format:G374)- Description
- Subacute necrotizing myelitis of central nervous system
- Billable
- Yes – valid for HIPAA-covered transactions
- 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
- Parent codes
- G37
Index terms for G37.4
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in G37
- 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
- G37.5 – Concentric sclerosis [Balo] of central nervous systemBillable
- G37.8 – Other specified demyelinating diseases of central nervous systemHeader
- G37.9 – Demyelinating disease of central nervous system, unspecifiedBillable
Frequently asked questions
What is ICD-10 code G37.4?
G37.4 is the ICD-10-CM code for subacute necrotizing myelitis of central nervous system, in the block G35-G37 (Demyelinating diseases of the central nervous system).
Is G37.4 a billable code?
Yes. G37.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G37.4 belong to?
It belongs to category G37 – Other demyelinating diseases of central nervous system.
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.