G37.81 – Myelin oligodendrocyte glycoprotein antibody disease
ICD-10-CM 2027 diagnosis code · Demyelinating diseases of the central nervous system
ICD-10-CM code
G37.81
- Code
G37.81(claims format:G3781)- Description
- Myelin oligodendrocyte glycoprotein antibody disease
- 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 › G37.8
Notes for G37.81
Applicable to:
- MOG antibody disease
Index terms for G37.81
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in G37.8
Frequently asked questions
What is ICD-10 code G37.81?
G37.81 is the ICD-10-CM code for myelin oligodendrocyte glycoprotein antibody disease, in the block G35-G37 (Demyelinating diseases of the central nervous system).
Is G37.81 a billable code?
Yes. G37.81 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G37.81 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.