G00Non-billableSave

G00 - Bacterial meningitis, not elsewhere classified

ICD-10-CM Chapter 6: Diseases of the nervous system · G00-G09 Inflammatory diseases of the central nervous system (G00-G09) · Top-level category · FY2027

Coding Guidance

G00 is a non-billable heading. Report one of the 6 more specific codes below.

Includes, Excludes and Coding Notes

IncludesFrom G00

Conditions this code covers.

  • bacterial arachnoiditis
  • bacterial leptomeningitis
  • bacterial meningitis
  • bacterial pachymeningitis
Excludes 1 — Not Coded HereFrom G00

Mutually exclusive: these conditions are never reported together with this code.

  • bacterial meningoencephalitis (G04.2)
  • bacterial meningomyelitis (G04.2)
Excludes 2 — Not Included HereFrom Chapter G00-G99

Not part of this code; report both codes when the patient has both conditions.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Documentation requirements, coding pitfalls and FAQs for conditions coded with G00.