All ICD10 Codes
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.

All CodesBillable Only
Internal Codes
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  • Z02.9—

    Encounter for administrative examinations, unspecified

  • Z03.6—

    Encounter for observation for suspected toxic effect from ingested substance ruled out

  • Z03.71—

    Encounter for suspected problem with amniotic cavity and membrane ruled out

  • Z03.72—

    Encounter for suspected placental problem ruled out

  • Z03.73—

    Encounter for suspected fetal anomaly ruled out

  • Z03.74—

    Encounter for suspected problem with fetal growth ruled out

  • Z03.75—

    Encounter for suspected cervical shortening ruled out

  • Z03.79—

    Encounter for other suspected maternal and fetal conditions ruled out

  • Z03.810—

    Encounter for observation for suspected exposure to anthrax ruled out

  • Z03.818—

    Encounter for observation for suspected exposure to other biological agents ruled out

  • Z03.821—

    Encounter for observation for suspected ingested foreign body ruled out

  • Z03.822—

    Encounter for observation for suspected aspirated (inhaled) foreign body ruled out

  • Z03.823—

    Encounter for observation for suspected inserted (injected) foreign body ruled out

  • Z03.83—

    Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out

  • Z03.89—

    Encounter for observation for other suspected diseases and conditions ruled out

  • Z04.1—

    Encounter for examination and observation following transport accident

  • Z04.2—

    Encounter for examination and observation following work accident

  • Z04.3—

    Encounter for examination and observation following other accident

  • Z04.41—

    Encounter for examination and observation following alleged adult rape

  • Z04.42—

    Encounter for examination and observation following alleged child rape

  • Z04.6—

    Encounter for general psychiatric examination, requested by authority

  • Z04.71—

    Encounter for examination and observation following alleged adult physical abuse

  • Z04.72—

    Encounter for examination and observation following alleged child physical abuse

  • Z04.81—

    Encounter for examination and observation of victim following forced sexual exploitation

  • Z04.82—

    Encounter for examination and observation of victim following forced labor exploitation

  • Z04.89—

    Encounter for examination and observation for other specified reasons

  • Z04.9—

    Encounter for examination and observation for unspecified reason

  • Z05.0—

    Observation and evaluation of newborn for suspected cardiac condition ruled out

  • Z05.1—

    Observation and evaluation of newborn for suspected infectious condition ruled out

  • Z05.2—

    Observation and evaluation of newborn for suspected neurological condition ruled out

  • Z05.3—

    Observation and evaluation of newborn for suspected respiratory condition ruled out

  • Z05.41—

    Observation and evaluation of newborn for suspected genetic condition ruled out

  • Z05.42—

    Observation and evaluation of newborn for suspected metabolic condition ruled out

  • Z05.43—

    Observation and evaluation of newborn for suspected immunologic condition ruled out

  • Z05.5—

    Observation and evaluation of newborn for suspected gastrointestinal condition ruled out

  • Z05.6—

    Observation and evaluation of newborn for suspected genitourinary condition ruled out

  • Z05.71—

    Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out

  • Z05.72—

    Observation and evaluation of newborn for suspected musculoskeletal condition ruled out

  • Z05.73—

    Observation and evaluation of newborn for suspected connective tissue condition ruled out

  • Z05.81—

    Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out

  • Z05.89—

    Observation and evaluation of newborn for other specified suspected condition ruled out

  • Z05.9—

    Observation and evaluation of newborn for unspecified suspected condition ruled out

  • Z08—

    Encounter for follow-up examination after completed treatment for malignant neoplasm

  • Z09—

    Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

  • Z11.0—

    Encounter for screening for intestinal infectious diseases

  • Z11.1—

    Encounter for screening for respiratory tuberculosis

  • Z11.2—

    Encounter for screening for other bacterial diseases

  • Z11.3—

    Encounter for screening for infections with a predominantly sexual mode of transmission

  • Z11.4—

    Encounter for screening for human immunodeficiency virus [HIV]

  • Z11.51—

    Encounter for screening for human papillomavirus (HPV)

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