Z00.0
Z00.0: Encounter for general adult medical examination
Non-billable headerICD-10-CM
Z00.0 is a non-billable header ICD-10-CM code for encounter for general adult medical examination. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- encounter for examination of sign or symptom- code to sign or symptom
- general health check-up of infant or child (Z00.12.-)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Encounter for adult periodic examination (annual) (physical) and any associated laboratory and radiologic examinations
Excludes1 inherited from the categories above Z00.0
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above Z00.0
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead Z00.0
2 child codes. Green means billable.
Other codes under Z00
- Z00.1Encounter for newborn, infant and child health examinations
- Z00.2Encounter for examination for period of rapid growth in childhood
- Z00.3Encounter for examination for adolescent development state
- Z00.5Encounter for examination of potential donor of organ and tissue
- Z00.6Encounter for examination for normal comparison and control in clinical research program
- Z00.7Encounter for examination for period of delayed growth in childhood
- Z00.8Encounter for other general examination