G03 – Meningitis due to other and unspecified causes
ICD-10-CM 2027 diagnosis code · Inflammatory diseases of the central nervous system
ICD-10-CM code
G03
- Code
G03(claims format:G03)- Description
- Meningitis due to other and unspecified causes
- 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
- G00-G09 Inflammatory diseases of the central nervous system
Billable codes under G03
G03 is a header code and cannot be used on claims. Choose the most specific code:
Notes for G03
Includes:
- arachnoiditis NOS
- leptomeningitis NOS
- meningitis NOS
- pachymeningitis NOS
Frequently asked questions
What is ICD-10 code G03?
G03 is the ICD-10-CM code for meningitis due to other and unspecified causes, in the block G00-G09 (Inflammatory diseases of the central nervous system).
Is G03 a billable code?
No. G03 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.