ICD-10-CM category
Z00 General examination and investigation of persons without complaint and reported diagnosis
Z00 is a category, not a billable code. Report one of the 13 complete codes below.
Codes in Z00
- Z00.00Encounter for general adult medical examination without abnormal findings
- Z00.01Encounter for general adult medical examination with abnormal findings
- Z00.110Health examination for newborn under 8 days old
- Z00.111Health examination for newborn 8 to 28 days old
- Z00.121Encounter for routine child health examination with abnormal findings
- Z00.129Encounter for routine child health examination without abnormal findings
- 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
- Z00.70Encounter for examination for period of delayed growth in childhood without abnormal findings
- Z00.71Encounter for examination for period of delayed growth in childhood with abnormal findings
- Z00.8Encounter for other general examination
Outside the US? Z00 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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