MCMedicalCodingSoftware
G03.1

G03.1: Chronic meningitis

Billable / specific codeICD-10-CM

G03.1 is a billable, specific ICD-10-CM code for chronic meningitis. It is valid for submission on a claim.

Check G03.1 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above G03.1

A category’s note binds every code beneath it.

Written on G03: Meningitis due to other and unspecified causes

  • meningoencephalitis (G04.-)
  • meningomyelitis (G04.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

G03.1 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56551Billing and Coding: Visual Fields Testing
  • A56799Billing and Coding: Visual Fields Testing
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A57206Billing and Coding: Lumbar MRI

Alphabetic index entries that lead here

  • Meningitis›chronic NEC

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under G03

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.