Z00 vs Z11
Z00 (Encounter for general examination without complaint, suspected or reported diagnosis) compared with Z11 (Encounter for screening for infectious and parasitic 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. Z00 carries an Excludes2 note covering Z11: “special screening examinations (Z11-Z13)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z00Encounter for general examination without complaint, suspected or reported diagnosis | Z11Encounter for screening for infectious and parasitic diseases | |
|---|---|---|
| Billing status | Non-billable header | 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 general examination without complaint, suspected or reported diagnosis is a non-billable ICD-10-CM category code (Z00). | Encounter for screening for infectious and parasitic diseases is a non-billable ICD-10-CM category code (Z11). |
| Includes | — | Screening is the testing for disease or disease precursors in asymptomatic individuals so that early detection and treatment can be provided for those who test positive for the disease. |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources