Is ICD-10-CM code G00 billable?

No, G00 (Bacterial meningitis, not elsewhere classified) 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 G00 belong to?

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

G00

Non-Billable

ChapterG00–G99

Rankcategory

Description

Bacterial meningitis, not elsewhere classified

About ICD-10-CM code G00

The ICD-10-CM tabular list places Bacterial meningitis, not elsewhere classified at code G00, inside G00-G99 Diseases of the Nervous System, within Inflammatory diseases of the central nervous system (G00-G09). You should not submit this code on claims since it lacks billing specificity, use a child code.

Use a more specific code (6 billable)

G00.0Hemophilus meningitis G00.1Pneumococcal meningitis G00.2Streptococcal meningitis G00.3Staphylococcal meningitis G00.8Other bacterial meningitis G00.9Bacterial meningitis, 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

bacterial arachnoiditis
bacterial leptomeningitis
bacterial meningitis
bacterial pachymeningitis

Excludes1(Not coded here. Use a different code.)

bacterial meningoencephalitis (G04.2)
bacterial meningomyelitis (G04.2)

Clinical Hierarchy

BillableHas subcodes

CH6Diseases of the nervous system (G00-G99)

G00-G09Inflammatory diseases of the central nervous system (G00-G09)

G00Bacterial meningitis, not elsewhere classifiedNot billable

G00.0Hemophilus meningitisBillable

G00.1Pneumococcal meningitisBillable

G00.2Streptococcal meningitisBillable

G00.3Staphylococcal meningitisBillable

G00.8Other bacterial meningitisBillable

G00.9Bacterial meningitis, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G00:

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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