A08 – Viral and other specified intestinal infections
ICD-10-CM 2027 diagnosis code · Intestinal infectious diseases
ICD-10-CM code
A08
- Code
A08(claims format:A08)- Description
- Viral and other specified intestinal infections
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- A00-A09 Intestinal infectious diseases
Billable codes under A08
A08 is a header code and cannot be used on claims. Choose the most specific code:
- A08.0 – Rotaviral enteritisBillable
- A08.1 – Acute gastroenteropathy due to Norwalk agent and other small round virusesHeader (more codes below)
- A08.2 – Adenoviral enteritisBillable
- A08.3 – Other viral enteritisHeader (more codes below)
- A08.4 – Viral intestinal infection, unspecifiedBillable
- A08.8 – Other specified intestinal infectionsBillable
Notes for A08
Frequently asked questions
What is ICD-10 code A08?
A08 is the ICD-10-CM code for viral and other specified intestinal infections, in the block A00-A09 (Intestinal infectious diseases).
Is A08 a billable code?
No. A08 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.