G01
✓ Billable
Meningitis in bacterial diseases classified elsewhere
ICD-10-CM · FY2026 · Diseases of the Nervous System
Code
G01
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Nervous System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes1 — never code together
- meningitis (in):
- gonococcal (A54.81)
- leptospirosis (A27.81)
- listeriosis (A32.11)
- Lyme disease (A69.21)
- meningococcal (A39.0)
- neurosyphilis (A52.13)
- tuberculosis (A17.0)
- meningoencephalitis and meningomyelitis in bacterial diseases classified elsewhere (G05)
Code first
- underlying disease
Frequently asked questions
What is ICD-10 code G01?
ICD-10-CM code G01 represents Meningitis in bacterial diseases classified elsewhere. It is a billable diagnosis code in the Diseases of the Nervous System chapter, effective October 1, 2025 – September 30, 2026.
Is G01 billable?
Yes. G01 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is G01 in?
G01 belongs to the Diseases of the Nervous System chapter (G00–G99) of ICD-10-CM.
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