Z00.00 Encounter for general adult medical examination without abnormal findings
ICD-10-CM · CMS code reference
Z00.00 is a routine adult general exam with no abnormal findings. If the exam turns up something abnormal, Z00.01 is used with codes for the findings.
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Also covers
- Encounter for adult health check-up NOS
Note
- Nonspecific abnormal findings disclosed at the time of these examinations are classified to categories R70-R94.
Excludes1
Not coded together with this code. The exception is when the two conditions are unrelated to each other.
- encounter for examination of sign or symptom- code to sign or symptom
- general health check-up of infant or child (Z00.12.-)
- encounter for examination for administrative purposes (Z02.-)
Excludes2
Not part of this code, but both can be coded when both are documented.
- encounter for pre-procedural examinations (Z01.81-)
- special screening examinations (Z11-Z13)
- examinations related to pregnancy and reproduction (Z30-Z36, Z39.-)
Related codes
Z00.01Encounter for general adult medical examination with abnormal findings ICD-10-CMZ00.110Health examination for newborn under 8 days old ICD-10-CMZ00.111Health examination for newborn 8 to 28 days old ICD-10-CMZ00.121Encounter for routine child health examination with abnormal findings ICD-10-CMZ00.129Encounter for routine child health examination without abnormal findings ICD-10-CMZ00.2Encounter for examination for period of rapid growth in childhood ICD-10-CMZ00.3Encounter for examination for adolescent development state ICD-10-CMZ00.5Encounter for examination of potential donor of organ and tissue ICD-10-CM
Common questions
Is Z00.00 a billable code?
Yes. Z00.00 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.