Z00.0 vs Z01
Z00.0 (Encounter for general adult medical examination) compared with Z01 (Encounter for other special examination without complaint, suspected or reported diagnosis), 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. Z01 carries an Excludes2 note covering Z00.0: “encounter for laboratory and radiologic examinations as a component of general medical examinations (Z00.0-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z00.0Encounter for general adult medical examination | Z01Encounter for other special examination without complaint, suspected or reported diagnosis | |
|---|---|---|
| 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 adult medical examination is a non-billable ICD-10-CM category code (Z00.0). | Encounter for other special examination without complaint, suspected or reported diagnosis is a non-billable ICD-10-CM category code (Z01). |
| Includes | Encounter for adult periodic examination (annual) (physical) and any associated laboratory and radiologic examinations | routine examination of specific system |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources