G03Header code — not billable

Meningitis due to other and unspecified causes

Chapter
6. Diseases of the nervous system
Category
G03
Effective date
October 1, 2026

Related codes in category G03

G03.0Nonpyogenic meningitisYesG03.1Chronic meningitisYesG03.2Benign recurrent meningitis [Mollaret]YesG03.8Meningitis due to other specified causesYesG03.9Meningitis, unspecifiedYes

Frequently asked questions

What is ICD-10 code G03?

G03 is an ICD-10-CM diagnosis code for Meningitis due to other and unspecified causes.

Is G03 a billable code?

No. G03 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is G03 in?

G03 falls under Chapter 6: Diseases of the nervous system.

When did G03 become effective?

G03 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to G03?

G03 belongs to category G03, which includes 5 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.