A08.4 – Viral intestinal infection, unspecified

ICD-10-CM 2027 diagnosis code · Intestinal infectious diseases

Billable code

ICD-10-CM code A08.4

Code: A08.4 (claims format: A084)
Description: Viral intestinal infection, unspecified
Billable: Yes – valid for HIPAA-covered transactions
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
Parent codes: A08

Notes for A08.4

Applicable to:

Viral enteritis NOS
Viral gastroenteritis NOS
Viral gastroenteropathy NOS

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

A08 – Viral and other specified intestinal infections

Excludes1 (not coded here):

influenza with involvement of gastrointestinal tract (J09.X3, J10.2, J11.2)

Index terms for A08.4

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in A08

A08.0 – Rotaviral enteritisBillable
A08.1 – Acute gastroenteropathy due to Norwalk agent and other small round virusesHeader
A08.2 – Adenoviral enteritisBillable
A08.3 – Other viral enteritisHeader
A08.8 – Other specified intestinal infectionsBillable

Frequently asked questions

What is ICD-10 code A08.4?

A08.4 is the ICD-10-CM code for viral intestinal infection, unspecified, in the block A00-A09 (Intestinal infectious diseases).

Is A08.4 a billable code?

Yes. A08.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A08.4 belong to?

It belongs to category A08 – Viral and other specified intestinal infections.

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.