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A18.3

Non-billable

Tuberculosis of intestines, peritoneum and mesenteric glands

A18.3 is the ICD-10-CM code for Tuberculosis of intestines, peritoneum and mesenteric glands. It is a non-billable category code — use a more specific child code such as A18.31 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Parent
A18
Subcodes
3
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code A18.3?
A18.3 is the ICD-10-CM code for "Tuberculosis of intestines, peritoneum and mesenteric glands". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A18.3 a billable code?
No — A18.3 is a non-billable header code. Use a more specific child code (such as A18.31) for billing.
What are the subcodes of A18.3?
A18.3 has 3 more specific child codes, including A18.31, A18.32, A18.39.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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