Z11.0 vs Z11.5
Z11.0 (Encounter for screening for intestinal infectious diseases) compared with Z11.5 (Encounter for screening for other viral diseases), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. Z11.5 carries an Excludes2 note covering Z11.0: “encounter for screening for viral intestinal disease (Z11.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z11.0Encounter for screening for intestinal infectious diseases | Z11.5Encounter for screening for other viral diseases | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Encounter for screening for intestinal infectious diseases is a billable ICD-10-CM diagnosis code (Z11.0). | Encounter for screening for other viral diseases is a non-billable ICD-10-CM category code (Z11.5). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources