Z00.0 – Encounter for general adult medical examination
ICD-10-CM 2027 diagnosis code · Persons encountering health services for examinations
- Code
Z00.0(claims format:Z000)- Description
- Encounter for general adult medical examination
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 21. Factors influencing health status and contact with health services (Z00-Z99)
- Block
- Z00-Z13 Persons encountering health services for examinations
- Parent codes
- Z00
Billable codes under Z00.0
Z00.0 is a header code and cannot be used on claims. Choose the most specific code:
Notes for Z00.0
- Encounter for adult periodic examination (annual) (physical) and any associated laboratory and radiologic examinations
- encounter for examination of sign or symptom- code to sign or symptom
- general health check-up of infant or child (Z00.12.-)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Z00 – Encounter for general examination without complaint, suspected or reported diagnosis
- encounter for examination for administrative purposes (Z02.-)
Block Z00-Z13
- Nonspecific abnormal findings disclosed at the time of these examinations are classified to categories R70-R94.
Related codes in Z00
- Z00.1 – Encounter for newborn, infant and child health examinationsHeader
- Z00.2 – Encounter for examination for period of rapid growth in childhoodBillable
- Z00.3 – Encounter for examination for adolescent development stateBillable
- Z00.5 – Encounter for examination of potential donor of organ and tissueBillable
- Z00.6 – Encounter for examination for normal comparison and control in clinical research programBillable
- Z00.7 – Encounter for examination for period of delayed growth in childhoodHeader
- Z00.8 – Encounter for other general examinationBillable
Frequently asked questions
What is ICD-10 code Z00.0?
Z00.0 is the ICD-10-CM code for encounter for general adult medical examination, in the block Z00-Z13 (Persons encountering health services for examinations).
Is Z00.0 a billable code?
No. Z00.0 is a header code with more specific child codes; report one of the billable codes listed above.
What category does Z00.0 belong to?
It belongs to category Z00 – Encounter for general examination without complaint, suspected or reported diagnosis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.