G00.9

ICD-10Billable

Bacterial meningitis, unspecified

Official ICD-10-CM descriptor (FY2026)

Bacterial meningitis, unspecified

G00.9 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

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

Related codes in G00

Where this code sits

Parent code
G00

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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