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
  • Z80.7

    Family history of other malignant neoplasms of lymphoid, hematopoietic and related tissues

  • Z80.8

    Family history of malignant neoplasm of other organs or systems

  • Z80.9

    Family history of malignant neoplasm, unspecified

  • Z81

    Family history of mental and behavioral disorders

  • Z81.0

    Family history of intellectual disabilities

  • Z81.1

    Family history of alcohol abuse and dependence

  • Z81.2

    Family history of tobacco abuse and dependence

  • Z81.3

    Family history of other psychoactive substance abuse and dependence

  • Z81.4

    Family history of other substance abuse and dependence

  • Z81.8

    Family history of other mental and behavioral disorders

  • Z82

    Family history of certain disabilities and chronic diseases (leading to disablement)

  • Z82.0

    Family history of epilepsy and other diseases of the nervous system

  • Z82.1

    Family history of blindness and visual loss

  • Z82.2

    Family history of deafness and hearing loss

  • Z82.3

    Family history of stroke

  • Z82.4

    Family history of ischemic heart disease and other diseases of the circulatory system

  • Z82.41

    Family history of sudden cardiac death

  • Z82.49

    Family history of ischemic heart disease and other diseases of the circulatory system

  • Z82.5

    Family history of asthma and other chronic lower respiratory diseases

  • Z82.6

    Family history of arthritis and other diseases of the musculoskeletal system and connective tissue

  • Z82.61

    Family history of arthritis

  • Z82.62

    Family history of osteoporosis

  • Z82.69

    Family history of other diseases of the musculoskeletal system and connective tissue

  • Z82.7

    Family history of congenital malformations, deformations and chromosomal abnormalities

  • Z82.71

    Family history of polycystic kidney

  • Z82.79

    Family history of other congenital malformations, deformations and chromosomal abnormalities

  • Z82.8

    Family history of other disabilities and chronic diseases leading to disablement, not elsewhere classified

  • Z83

    Family history of other specific disorders

  • Z83.0

    Family history of human immunodeficiency virus [HIV] disease

  • Z83.1

    Family history of other infectious and parasitic diseases

  • Z83.2

    Family history of diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

  • Z83.3

    Family history of diabetes mellitus

  • Z83.4

    Family history of other endocrine, nutritional and metabolic diseases

  • Z83.41

    Family history of multiple endocrine neoplasia [MEN] syndrome

  • Z83.42

    Family history of familial hypercholesterolemia

  • Z83.43

    Family history of other disorder of lipoprotein metabolism and other lipidemias

  • Z83.430

    Family history of elevated lipoprotein(a)

  • Z83.438

    Family history of other disorder of lipoprotein metabolism and other lipidemia

  • Z83.49

    Family history of other endocrine, nutritional and metabolic diseases

  • Z83.5

    Family history of eye and ear disorders

  • Z83.51

    Family history of eye disorders

  • Z83.511

    Family history of glaucoma

  • Z83.518

    Family history of other specified eye disorder

  • Z83.52

    Family history of ear disorders

  • Z83.6

    Family history of other diseases of the respiratory system

  • Z83.7

    Family history of diseases of the digestive system

  • Z83.71

    Family history of colonic polyps

  • Z83.710

    Family history of adenomatous and serrated polyps

  • Z83.711

    Family history of hyperplastic colon polyps

  • Z83.718

    Family history of other colon polyps

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