G03
Meningitis due to other and unspecified causes
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
G03 is a non-billable ICD-10-CM code category for meningitis due to other and unspecified causes. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are G03.0 Nonpyogenic meningitis, G03.1 Chronic meningitis, G03.2 Benign recurrent meningitis [Mollaret], G03.8 Meningitis due to other specified causes and 1 more. Its coding notes include 2 Excludes1 entries and 8 Excludes2 entries.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
Inherited from Chapter 6 Diseases of the nervous system
- 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)
Includes
Further defines or gives examples of the content of the category.
This code
- arachnoiditis NOS
- leptomeningitis NOS
- meningitis NOS
- pachymeningitis NOS