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
  • Z55.8

    Other problems related to education and literacy

  • Z55.9

    Problems related to education and literacy, unspecified

  • Z56

    Problems related to employment and unemployment

  • 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

  • Z56.8

    Other problems related to employment

  • 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

    Occupational exposure to risk factors

  • Z57.0

    Occupational exposure to noise

  • Z57.1

    Occupational exposure to radiation

  • Z57.2

    Occupational exposure to dust

  • Z57.3

    Occupational exposure to other air contaminants

  • 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

    Problems related to physical environment

  • Z58.6

    Inadequate drinking-water supply

  • Z58.8

    Other problems related to physical environment

  • Z58.81

    Basic services unavailable in physical environment

  • Z58.89

    Other problems related to physical environment

  • Z59

    Problems related to housing and economic circumstances

  • Z59.0

    Homelessness

  • Z59.00

    Homelessness unspecified

  • Z59.01

    Sheltered homelessness

  • Z59.02

    Unsheltered homelessness

  • Z59.1

    Inadequate housing

  • 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

  • Z59.3

    Problems related to living in residential institution

  • Z59.4

    Lack of adequate food

  • Z59.41

    Food insecurity

  • Z59.48

    Other specified lack of adequate food

  • Z59.5

    Extreme poverty

  • Z59.6

    Low income

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