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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  • Z04.72—

    Encounter for examination and observation following alleged child physical abuse

  • Z04.8—

    Encounter for examination and observation for other specified reasons

  • 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—

    Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out

  • 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

  • Z05.4—

    Observation and evaluation of newborn for suspected genetic, metabolic or immunologic 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

  • Z05.7—

    Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue 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

  • Z05.8—

    Observation and evaluation of newborn for other specified suspected 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—

    Encounter for screening for infectious and parasitic diseases

  • 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]

  • Z11.5—

    Encounter for screening for other viral diseases

  • Z11.51—

    Encounter for screening for human papillomavirus (HPV)

  • Z11.52—

    Encounter for screening for COVID-19

  • Z11.59—

    Encounter for screening for other viral diseases

  • Z11.6—

    Encounter for screening for other protozoal diseases and helminthiases

  • Z11.7—

    Encounter for testing for latent tuberculosis infection

  • Z11.8—

    Encounter for screening for other infectious and parasitic diseases

  • Z11.9—

    Encounter for screening for infectious and parasitic diseases, unspecified

  • Z12—

    Encounter for screening for malignant neoplasms

  • Z12.0—

    Encounter for screening for malignant neoplasm of stomach

  • Z12.1—

    Encounter for screening for malignant neoplasm of intestinal tract

  • Z12.10—

    Encounter for screening for malignant neoplasm of intestinal tract, unspecified

  • Z12.11—

    Encounter for screening for malignant neoplasm of colon

  • Z12.12—

    Encounter for screening for malignant neoplasm of rectum

  • Z12.13—

    Encounter for screening for malignant neoplasm of small intestine

  • Z12.2—

    Encounter for screening for malignant neoplasm of respiratory organs

  • Z12.3—

    Encounter for screening for malignant neoplasm of breast

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