Is ICD-10-CM code G03 billable?

No, G03 (Meningitis due to other and unspecified causes) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code G03 belong to?

G03 belongs to Chapter 6 of the ICD-10-CM tabular list: G00–G99 (Diseases of the Nervous System).

G03

Non-Billable

ChapterG00–G99

Rankcategory

Description

Meningitis due to other and unspecified causes

About ICD-10-CM code G03

Meningitis due to other and unspecified causes is classified in ICD-10-CM as code G03, part of G00-G99 Diseases of the Nervous System, within Inflammatory diseases of the central nervous system (G00-G09). Its status is non-billable, meaning reporting it requires a deeper, more specific code.

Use a more specific code (5 billable)

G03.0Nonpyogenic meningitis G03.1Chronic meningitis G03.2Benign recurrent meningitis [Mollaret]G03.8Meningitis due to other specified causes G03.9Meningitis, 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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