A08 vs J11.2
A08 (Viral and other specified intestinal infections) compared with J11.2 (Influenza due to unidentified influenza virus with gastrointestinal manifestations), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. A08 carries an Excludes1 note covering J11.2: “influenza with involvement of gastrointestinal tract (J09.X3, J10.2, J11.2)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. J11.2 carries an Excludes1 note covering A08: “'intestinal flu' [viral gastroenteritis] (A08.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| A08Viral and other specified intestinal infections | J11.2Influenza due to unidentified influenza virus with gastrointestinal manifestations | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | J00-J99 — Diseases of the Respiratory System (J00-J99) |
| Definition | Viral and other specified intestinal infections is a non-billable ICD-10-CM category code (A08). | Influenza due to unidentified influenza virus with gastrointestinal manifestations is a billable ICD-10-CM diagnosis code (J11.2). |
| Includes | — | Influenza gastroenteritis NOS |
| Use additional code | — | code, if applicable, to identify resistance to antimicrobial drugs (Z16.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources