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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  • Z53.21—

    Procedure and treatment not carried out due to patient leaving prior to being seen by health care provider

  • Z53.29—

    Procedure and treatment not carried out because of patient's decision for other reasons

  • Z53.31—

    Laparoscopic surgical procedure converted to open procedure

  • Z53.32—

    Thoracoscopic surgical procedure converted to open procedure

  • Z53.33—

    Arthroscopic surgical procedure converted to open procedure

  • Z53.39—

    Other specified procedure converted to open procedure

  • Z53.8—

    Procedure and treatment not carried out for other reasons

  • Z53.9—

    Procedure and treatment not carried out, unspecified reason

  • Z55.0—

    Illiteracy and low-level literacy

  • Z55.1—

    Schooling unavailable and unattainable

  • Z55.2—

    Failed school examinations

  • Z55.3—

    Underachievement in school

  • Z55.4—

    Educational maladjustment and discord with teachers and classmates

  • Z55.5—

    Less than a high school diploma

  • Z55.6—

    Problems related to health literacy

  • Z55.8—

    Other problems related to education and literacy

  • Z55.9—

    Problems related to education and literacy, unspecified

  • Z56.0—

    Unemployment, unspecified

  • Z56.1—

    Change of job

  • Z56.2—

    Threat of job loss

  • Z56.3—

    Stressful work schedule

  • Z56.4—

    Discord with boss and workmates

  • Z56.5—

    Uncongenial work environment

  • Z56.6—

    Other physical and mental strain related to work

  • Z56.81—

    Sexual harassment on the job

  • Z56.82—

    Military deployment status

  • Z56.89—

    Other problems related to employment

  • Z56.9—

    Unspecified problems related to employment

  • Z57.0—

    Occupational exposure to noise

  • Z57.1—

    Occupational exposure to radiation

  • Z57.2—

    Occupational exposure to dust

  • Z57.31—

    Occupational exposure to environmental tobacco smoke

  • Z57.39—

    Occupational exposure to other air contaminants

  • Z57.4—

    Occupational exposure to toxic agents in agriculture

  • Z57.5—

    Occupational exposure to toxic agents in other industries

  • Z57.6—

    Occupational exposure to extreme temperature

  • Z57.7—

    Occupational exposure to vibration

  • Z57.8—

    Occupational exposure to other risk factors

  • Z57.9—

    Occupational exposure to unspecified risk factor

  • Z58.6—

    Inadequate drinking-water supply

  • Z58.81—

    Basic services unavailable in physical environment

  • Z58.89—

    Other problems related to physical environment

  • Z59.00—

    Homelessness unspecified

  • Z59.01—

    Sheltered homelessness

  • Z59.02—

    Unsheltered homelessness

  • Z59.10—

    Inadequate housing, unspecified

  • Z59.11—

    Inadequate housing environmental temperature

  • Z59.12—

    Inadequate housing utilities

  • Z59.19—

    Other inadequate housing

  • Z59.2—

    Discord with neighbors, lodgers and landlord

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