Is Z02 a billable ICD-10-CM code?

No. Z02 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does Z02 sit in the tabular list?

Factors influencing health status and contact with health services (Z00-Z99), in the block Persons encountering health services for examinations (Z00-Z13).

Z02

Z02 — Encounter for administrative examination

Non-billable headerICD-10-CM

Z02 is a non-billable header ICD-10-CM code for encounter for administrative examination. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with Z02

These codes carry an Excludes1 note pointing at Z02. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading Z02 alone.

Z51.81Encounter for therapeutic drug level monitoring
Z00Encounter for general examination without complaint, suspected or reported diagnosis
Z01Encounter for other special examination without complaint, suspected or reported diagnosis
Z01.0Encounter for examination of eyes and vision
Z02.2Encounter for examination for admission to residential institution
Z02.5Encounter for examination for participation in sport
Z02.7Encounter for issue of medical certificate

Risk adjustment

Z02 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead Z02

10 child codes. Green means billable.

Questions about Z02

Is Z02 a billable ICD-10-CM code?: No. Z02 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does Z02 sit in the tabular list?: Factors influencing health status and contact with health services (Z00-Z99), in the block Persons encountering health services for examinations (Z00-Z13).