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G00

Non-billable

Bacterial meningitis, not elsewhere classified

G00 is the ICD-10-CM code for Bacterial meningitis, not elsewhere classified. It is a non-billable category code — use a more specific child code such as G00.0 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Subcodes
6
Edition
FY2026

G00-G99 Diseases of the nervous system

Includes

  • •bacterial arachnoiditis
  • •bacterial leptomeningitis
  • •bacterial meningitis
  • •bacterial pachymeningitis

Excludes1 — not coded here

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

Frequently asked questions

What is ICD-10 code G00?
G00 is the ICD-10-CM code for "Bacterial meningitis, not elsewhere classified". It falls under G00-G99 Diseases of the nervous system.
Is G00 a billable code?
No — G00 is a non-billable header code. Use a more specific child code (such as G00.0) for billing.
What are the subcodes of G00?
G00 has 6 more specific child codes, including G00.0, G00.1, G00.2.
What is excluded from G00?
Excludes1 (not coded here): bacterial meningoencephalitis (G04.2); bacterial meningomyelitis (G04.2).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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