G03
Non-Billable

Meningitis due to other and unspecified causes

Non-Billable / Non-Specific Code

What is Meningitis due to other and unspecified causes?

ICD-10-CM G03 is the diagnosis code for Meningitis due to other and unspecified causes. 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 G03

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as G03. They are mutually exclusive:

  • meningoencephalitis (G04.-)
  • meningomyelitis (G04.-)

ICD-10-CM Code Hierarchy

Understanding where G03 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeG03 — Meningitis due to other and unspecified causes
Sub-Codes 5 entries
G03.0Nonpyogenic meningitisBillableG03.1Chronic meningitisBillableG03.2Benign recurrent meningitis [Mollaret]BillableG03.8Meningitis due to other specified causesBillableG03.9Meningitis, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is G03 a billable ICD-10-CM code?

No, G03 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does G03 mean?

G03 is the ICD-10-CM diagnosis code for "Meningitis due to other and unspecified causes". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is G03 in?

G03 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 G03?

G03 has 5 sub-code(s) that provide more specific detail: G03.0, G03.1, G03.2, G03.8, G03.9.

When should I use G03?

Use G03 when the patients documented diagnosis matches "Meningitis due to other and unspecified causes" 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 Meningitis due to other and unspecified causes?

The ICD-10-CM code for Meningitis due to other and unspecified causes is G03.

Can G03 be used for primary diagnosis?

No, G03 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is G03 in?

G03 is in Chapter 6 of the ICD-10-CM Tabular List.

What conditions are excluded from G03?

Type 1 Excludes for G03 include: meningoencephalitis (G04.-); meningomyelitis (G04.-).

Is G03 valid for 2026?

Yes, G03 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousG02Meningitis in other infectious and parasitic diseases classified elsewhereNext →G03.0Nonpyogenic meningitis
Code Details
G03
Meningitis due to other and unspecified causes
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