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ICD-10-CM category Z01: Encounter for other special examination without complaint, suspected or reported diagnosis

Category Z01 is a heading in chapter 21 (Factors influencing health status and contact with health services (Z00-Z99)), section Persons encountering health services for examinations (Z00-Z13). It is not billable; report one of the 23 complete codes below.

Notes that apply to every Z01 code

Includes
  • routine examination of specific system
Excludes1 (never coded together)
  • encounter for examination for administrative purposes (Z02.-)
  • encounter for examination for suspected conditions, proven not to exist (Z03.-)
  • encounter for laboratory, radiologic and imaging examinations for sign(s) and symptom(s) - code to the sign(s) or symptom(s)
Excludes2 (not part of this condition, may be coded together)
  • encounter for laboratory and radiologic examinations as a component of general medical examinations (Z00.0-)
  • screening examinations (Z11-Z13)
Notes
  • Codes from category Z01 represent the reason for the encounter. A separate procedure code is required to identify any examinations or procedures performed

Billable codes in Z01

Billable FY2027 ICD-10-CM codes in category Z01
CodeDescription
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

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Codes from the FY2027 ICD-10-CM files (all chapters). Report the code that matches the documentation and the Official Guidelines; this list is not coding advice.