G00.9

G00.9: Bacterial meningitis, unspecified

Billable / specific codeICD-10-CM

G00.9 is a billable, specific ICD-10-CM code for bacterial meningitis, unspecified. It is valid for submission on a claim.

Check G00.9 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Meningitis due to gram-negative bacteria, unspecified
Purulent meningitis NOS
Pyogenic meningitis NOS
Suppurative meningitis NOS

Excludes1 inherited from the categories above G00.9

A category’s note binds every code beneath it.

Written on G00: Bacterial meningitis, not elsewhere classified

bacterial meningoencephalitis (G04.2)
bacterial meningomyelitis (G04.2)

Risk adjustment

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

Medicare coverage

G00.9 is named in 6 Medicare coverage policies: 6 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
A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
A58720Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

Alphabetic index entries that lead here

Meningitis›bacterial
Meningitis›fibrinopurulent
Meningitis›gram-negative cocci
Meningitis›gram-positive cocci
Meningitis›infectious
Meningitis›purulent
Meningitis›pyogenic
Meningitis›septic
Meningitis›suppurative
Meningitis›bacterial›gram-negative

Code history

Unchanged in every release from FY2024 to FY2027.