ICD-10-CM
ICD-10 code for Meningitis: G03.9
The ICD-10-CM index points "Meningitis" to G03 (Meningitis due to other and unspecified causes), a header that is not billable. When nothing more specific is documented, the billable code is G03.9, Meningitis, unspecified.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- G03.0abacterial, Nonpyogenic meningitisBillable
- A42.81actinomycotic, Actinomycotic meningitisBillable
- A87.1adenoviral, Adenoviral meningitisBillable
- A87.8arbovirus, Other viral meningitisBillable
- G03.0aseptic (acute), Nonpyogenic meningitisBillable
- G00.9bacterial, Bacterial meningitis, unspecifiedBillable
- G03.2benign recurrent (Mollaret), Benign recurrent meningitis [Mollaret]Billable
- B37.5candidal, Candidal meningitisBillable
- A17.0caseous (tuberculous), Tuberculous meningitisBillable
- A39.0cerebrospinal, Meningococcal meningitisBillable
- G03.1chronic NEC, Chronic meningitisBillable
- G03.0clear cerebrospinal fluid NEC, Nonpyogenic meningitisBillable
- A87.0coxsackievirus, Enteroviral meningitisBillable
- B45.1cryptococcal, Cerebral cryptococcosisBillable
- A39.0diplococcal (gram positive), Meningococcal meningitisBillable
- A87.0echovirus, Enteroviral meningitisBillable
- A87.0enteroviral, Enteroviral meningitisBillable
- B83.2eosinophilic, Angiostrongyliasis due to Parastrongylus cantonensisBillable
- A39.0epidemic NEC, Meningococcal meningitisBillable
- G00.8Escherichia coli (E. coli), Other bacterial meningitisBillable
- G00.9fibrinopurulent, Bacterial meningitis, unspecifiedBillable
- G00.8Friedländer (bacillus), Other bacterial meningitisBillable
- A54.81gonococcal, Gonococcal meningitisBillable
- G00.9gram-negative cocci, Bacterial meningitis, unspecifiedBillable
- G00.9gram-positive cocci, Bacterial meningitis, unspecifiedBillable
- G00.0Haemophilus (influenzae), Hemophilus meningitisBillable
- G00.0H. influenzae, Hemophilus meningitisBillable
- G00.9infectious, Bacterial meningitis, unspecifiedBillable
- G00.0influenzal (H. influenzae), Hemophilus meningitisBillable
- G00.8Klebsiella, Other bacterial meningitisBillable
- A27.81leptospiral (aseptic), Aseptic meningitis in leptospirosisBillable
- A87.2lymphocytic (acute) (benign) (serous), Lymphocytic choriomeningitisBillable
- A39.0meningococcal, Meningococcal meningitisBillable
- G00.8Mima polymorpha, Other bacterial meningitisBillable
- G03.2Mollaret (benign recurrent), Benign recurrent meningitis [Mollaret]Billable
- B37.5monilial, Candidal meningitisBillable
- B49mycotic NEC, Unspecified mycosis, and G02 for the manifestationBillable
- A39.0Neisseria, Meningococcal meningitisBillable
- G03.0nonbacterial, Nonpyogenic meningitisBillable
- G03.0nonpyogenic NEC, Nonpyogenic meningitisBillable
More specific codes in G03
A header groups codes and is not billed. A billable code is one you can report.
Excludes1
Excludes1 means these codes are not reported together.
From G03. A note on a category applies to every code under it.
Related conditions
Related pages
- G03.9 code detailsNotes, nearby codes, CMS-HCC group
- Category G03Every code under it
- Chapter 6Diseases of the nervous system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Meningitis?
The ICD-10-CM index points "Meningitis" to G03 (Meningitis due to other and unspecified causes), a header that is not billable. When nothing more specific is documented, the billable code is G03.9, Meningitis, unspecified.
Is G03.9 billable?
Yes. G03.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to G03.9?
The CDC tabular list gives 2 Excludes1 notes (not coded together) for G03.9 and the categories above it. They are listed on this page.
What chapter is G03.9 in?
Chapter 6. Diseases of the nervous system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.