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Factors influencing health status and contact with health services (Z00-Z99)

The chapter specific guidelines provide additional information about the use of Z codes for specified encounters.

  • Notes:
    • Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to

  • Z00-Z13 Persons encountering health services for examinations (Z00-Z13)
  • Z14-Z15 Genetic carrier and genetic susceptibility to disease (Z14-Z15)
  • Z16 Resistance to antimicrobial drugs (Z16)
  • Z17 Estrogen receptor status (Z17)
  • Z18 Retained foreign body fragments (Z18)
  • Z19 Hormone sensitivity malignancy status (Z19)
  • Z20-Z29 Persons with potential health hazards related to communicable diseases (Z20-Z29)
  • Z30-Z39 Persons encountering health services in circumstances related to reproduction (Z30-Z39)
  • Z40-Z53 Encounters for other specific health care (Z40-Z53)
  • Z55-Z65 Persons with potential health hazards related to socioeconomic and psychosocial circumstances (Z55-Z65)
  • Z66 Do not resuscitate status (Z66)
  • Z67 Blood type (Z67)
  • Z68 Body mass index [BMI] (Z68)
  • Z69-Z76 Persons encountering health services in other circumstances (Z69-Z76)
  • Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

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