G00
Non-Billable

Bacterial meningitis, not elsewhere classified

Non-Billable / Non-Specific Code

What is Bacterial meningitis, not elsewhere classified?

ICD-10-CM G00 is the diagnosis code for Bacterial meningitis, not elsewhere classified. This code falls under the section "Inflammatory diseases of the central nervous system" within Chapter 6 — Diseases of the nervous system (G00-G99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for G00

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as G00. They are mutually exclusive:

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

ICD-10-CM Code Hierarchy

Understanding where G00 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeG00 — Bacterial meningitis, not elsewhere classified
Sub-Codes 6 entries
G00.0Hemophilus meningitisBillableG00.1Pneumococcal meningitisBillableG00.2Streptococcal meningitisBillableG00.3Staphylococcal meningitisBillableG00.8Other bacterial meningitisBillableG00.9Bacterial meningitis, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is G00 a billable ICD-10-CM code?

No, G00 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does G00 mean?

G00 is the ICD-10-CM diagnosis code for "Bacterial meningitis, not elsewhere classified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is G00 in?

G00 is located in Section G00-G09 — "Inflammatory diseases of the central nervous system" within Chapter 6 of the ICD-10-CM Tabular List.

What are the sub-codes of G00?

G00 has 6 sub-code(s) that provide more specific detail: G00.0, G00.1, G00.2, G00.3, G00.8 and more.

When should I use G00?

Use G00 when the patients documented diagnosis matches "Bacterial meningitis, not elsewhere classified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Bacterial meningitis, not elsewhere classified?

The ICD-10-CM code for Bacterial meningitis, not elsewhere classified is G00.

Can G00 be used for primary diagnosis?

No, G00 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is G00 in?

G00 is in Chapter 6 of the ICD-10-CM Tabular List.

What conditions are excluded from G00?

Type 1 Excludes for G00 include: bacterial meningoencephalitis (G04.2); bacterial meningomyelitis (G04.2).

Is G00 valid for 2026?

Yes, G00 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousF99Mental disorder, not otherwise specifiedNext →G00.0Hemophilus meningitis
Code Details
G00
Bacterial meningitis, not elsewhere classified
Non-Billable / Non-Specific Code
6 — Diseases of the nervous system (G00-G99)
G00-G09 — Inflammatory diseases of the central nervous system
2026 ICD-10-CM