A08

Non-billable

Viral and other specified intestinal infections

A08 is the ICD-10-CM code for Viral and other specified intestinal infections. It is a non-billable category code — use a more specific child code such as A08.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
6
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

What is gastroenteritis? Gastroenteritis is an inflammation of the lining of the stomach and intestines. The main symptoms include vomiting and diarrhea . It is usually not serious in healthy people, but it can sometimes lead to dehydration or cause severe symptoms. What causes gastroenteritis? There can be many different causes of gastroenteritis: Viruses Bacteria Parasites Chemicals Reactions to certain medicines…

Read more about Gastroenteritis at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

Frequently asked questions

What is ICD-10 code A08?
A08 is the ICD-10-CM code for "Viral and other specified intestinal infections". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A08 a billable code?
No — A08 is a non-billable header code. Use a more specific child code (such as A08.0) for billing.
What are the subcodes of A08?
A08 has 6 more specific child codes, including A08.0, A08.1, A08.2.
What is excluded from A08?
Excludes1 (not coded here): influenza with involvement of gastrointestinal tract (J09.X3, J10.2, J11.2).

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

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