All ICD10 Codes

G03

Non-Billable
ChapterG00–G99
Rankcategory
Official Description

Meningitis due to other and unspecified causes

Use a more specific code (5 billable)
G03.0Nonpyogenic meningitisG03.1Chronic meningitisG03.2Benign recurrent meningitis [Mollaret]G03.8Meningitis due to other specified causesG03.9Meningitis, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 6: Diseases of the Nervous System (G00-G99).

CH6 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

Instructional Notes

Includes
  • arachnoiditis NOS
  • leptomeningitis NOS
  • meningitis NOS
  • pachymeningitis NOS
Excludes1(Not coded here. Use a different code.)
  • meningoencephalitis (G04.-)
  • meningomyelitis (G04.-)

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G00-G09Inflammatory diseases of the central nervous system (G00-G09)
G03Meningitis due to other and unspecified causesNot billable
G03.0Nonpyogenic meningitisBillable
G03.1Chronic meningitisBillable
G03.2Benign recurrent meningitis [Mollaret]Billable
G03.8Meningitis due to other specified causesBillable
G03.9Meningitis, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G03:

chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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