Chapter 21

Z00–Z99: Factors Influencing Health Status and Contact with Health Services

Factors Influencing Health Status and Contact with Health Services diagnostic classification updated for 2026.

Internal Codes
  • Z00|

    Encounter for general examination without complaint, suspected or reported diagnosis

  • Z00.0|

    Encounter for general adult medical examination

  • Z00.00|

    Encounter for general adult medical examination without abnormal findings

  • Z00.01|

    Encounter for general adult medical examination with abnormal findings

  • Z00.1|

    Encounter for newborn, infant and child health examinations

  • Z00.11|

    Newborn health examination

  • Z00.110|

    Health examination for newborn under 8 days old

  • Z00.111|

    Health examination for newborn 8 to 28 days old

  • Z00.12|

    Encounter for routine child health examination

  • Z00.121|

    Encounter for routine child health examination with abnormal findings

  • Z00.129|

    Encounter for routine child health examination without abnormal findings

  • Z00.2|

    Encounter for examination for period of rapid growth in childhood

  • Z00.3|

    Encounter for examination for adolescent development state

  • Z00.5|

    Encounter for examination of potential donor of organ and tissue

  • Z00.6|

    Encounter for examination for normal comparison and control in clinical research program

  • Z00.7|

    Encounter for examination for period of delayed growth in childhood

  • Z00.70|

    Encounter for examination for period of delayed growth in childhood without abnormal findings

  • Z00.71|

    Encounter for examination for period of delayed growth in childhood with abnormal findings

  • Z00.8|

    Encounter for other general examination

  • Z01|

    Encounter for other special examination without complaint, suspected or reported diagnosis

  • Z01.0|

    Encounter for examination of eyes and vision

  • Z01.00|

    Encounter for examination of eyes and vision without abnormal findings

  • Z01.01|

    Encounter for examination of eyes and vision with abnormal findings

  • Z01.02|

    Encounter for examination of eyes and vision following failed vision screening

  • Z01.020|

    Encounter for examination of eyes and vision following failed vision screening without abnormal findings

  • Z01.021|

    Encounter for examination of eyes and vision following failed vision screening with abnormal findings

  • Z01.1|

    Encounter for examination of ears and hearing

  • Z01.10|

    Encounter for examination of ears and hearing without abnormal findings

  • Z01.11|

    Encounter for examination of ears and hearing with abnormal findings

  • Z01.110|

    Encounter for hearing examination following failed hearing screening

  • Z01.118|

    Encounter for examination of ears and hearing with other abnormal findings

  • Z01.12|

    Encounter for hearing conservation and treatment

  • Z01.2|

    Encounter for dental examination and cleaning

  • Z01.20|

    Encounter for dental examination and cleaning without abnormal findings

  • Z01.21|

    Encounter for dental examination and cleaning with abnormal findings

  • Z01.3|

    Encounter for examination of blood pressure

  • Z01.30|

    Encounter for examination of blood pressure without abnormal findings

  • Z01.31|

    Encounter for examination of blood pressure with abnormal findings

  • Z01.4|

    Encounter for gynecological examination

  • Z01.41|

    Encounter for routine gynecological examination

  • Z01.411|

    Encounter for gynecological examination (general) (routine) with abnormal findings

  • Z01.419|

    Encounter for gynecological examination (general) (routine) without abnormal findings

  • Z01.42|

    Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear

  • Z01.8|

    Encounter for other specified special examinations

  • Z01.81|

    Encounter for preprocedural examinations

  • Z01.810|

    Encounter for preprocedural cardiovascular examination

  • Z01.811|

    Encounter for preprocedural respiratory examination

  • Z01.812|

    Encounter for preprocedural laboratory examination

  • Z01.818|

    Encounter for other preprocedural examination

  • Z01.82|

    Encounter for allergy testing

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