ICD-10-CM category
Z01 Other special examinations and investigations of persons without complaint or reported diagnosis
Z01 is a category, not a billable code. Report one of the 23 complete codes below.
Codes in Z01
- Z01.00Encounter for examination of eyes and vision without abnormal findings
- Z01.01Encounter for examination of eyes and vision with abnormal findings
- Z01.020Encounter for examination of eyes and vision following failed vision screening without abnormal findings
- Z01.021Encounter for examination of eyes and vision following failed vision screening with abnormal findings
- Z01.10Encounter for examination of ears and hearing without abnormal findings
- Z01.110Encounter for hearing examination following failed hearing screening
- Z01.118Encounter for examination of ears and hearing with other abnormal findings
- Z01.12Encounter for hearing conservation and treatment
- Z01.20Encounter for dental examination and cleaning without abnormal findings
- Z01.21Encounter for dental examination and cleaning with abnormal findings
- Z01.30Encounter for examination of blood pressure without abnormal findings
- Z01.31Encounter for examination of blood pressure with abnormal findings
- Z01.411Encounter for gynecological examination (general) (routine) with abnormal findings
- Z01.419Encounter for gynecological examination (general) (routine) without abnormal findings
- Z01.42Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear
- Z01.810Encounter for preprocedural cardiovascular examination
- Z01.811Encounter for preprocedural respiratory examination
- Z01.812Encounter for preprocedural laboratory examination
- Z01.818Encounter for other preprocedural examination
- Z01.82Encounter for allergy testing
- Z01.83Encounter for blood typing
- Z01.84Encounter for antibody response examination
- Z01.89Encounter for other specified special examinations
Outside the US? Z01 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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