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
  • Z13.84

    Encounter for screening for dental disorders

  • Z13.850

    Encounter for screening for traumatic brain injury

  • Z13.858

    Encounter for screening for other nervous system disorders

  • Z13.88

    Encounter for screening for disorder due to exposure to contaminants

  • Z13.89

    Encounter for screening for other disorder

  • Z13.9

    Encounter for screening, unspecified

  • Z14.01

    Asymptomatic hemophilia A carrier

  • Z14.02

    Symptomatic hemophilia A carrier

  • Z14.1

    Cystic fibrosis carrier

  • Z14.8

    Genetic carrier of other disease

  • Z15.01

    Genetic susceptibility to malignant neoplasm of breast

  • Z15.02

    Genetic susceptibility to malignant neoplasm of ovary

  • Z15.03

    Genetic susceptibility to malignant neoplasm of prostate

  • Z15.04

    Genetic susceptibility to malignant neoplasm of endometrium

  • Z15.05

    Genetic susceptibility to malignant neoplasm of fallopian tube(s)

  • Z15.060

    Genetic susceptibility to colorectal cancer

  • Z15.068

    Genetic susceptibility to other malignant neoplasm of digestive system

  • Z15.07

    Genetic susceptibility to malignant neoplasm of urinary tract

  • Z15.09

    Genetic susceptibility to other malignant neoplasm

  • Z15.1

    Genetic susceptibility to epilepsy and neurodevelopmental disorders

  • Z15.2

    Genetic susceptibility to obesity

  • Z15.3

    Genetic susceptibility to kidney disease

  • Z15.81

    Genetic susceptibility to multiple endocrine neoplasia [MEN]

  • Z15.89

    Genetic susceptibility to other disease

  • Z16.10

    Resistance to unspecified beta lactam antibiotics

  • Z16.11

    Resistance to penicillins

  • Z16.12

    Extended spectrum beta lactamase (ESBL) resistance

  • Z16.13

    Resistance to carbapenem

  • Z16.19

    Resistance to other specified beta lactam antibiotics

  • Z16.20

    Resistance to unspecified antibiotic

  • Z16.21

    Resistance to vancomycin

  • Z16.22

    Resistance to vancomycin related antibiotics

  • Z16.23

    Resistance to quinolones and fluoroquinolones

  • Z16.24

    Resistance to multiple antibiotics

  • Z16.29

    Resistance to other single specified antibiotic

  • Z16.30

    Resistance to unspecified antimicrobial drugs

  • Z16.31

    Resistance to antiparasitic drug(s)

  • Z16.32

    Resistance to antifungal drug(s)

  • Z16.33

    Resistance to antiviral drug(s)

  • Z16.341

    Resistance to single antimycobacterial drug

  • Z16.342

    Resistance to multiple antimycobacterial drugs

  • Z16.35

    Resistance to multiple antimicrobial drugs

  • Z16.39

    Resistance to other specified antimicrobial drug

  • Z17.0

    Estrogen receptor positive status [ER+]

  • Z17.1

    Estrogen receptor negative status [ER-]

  • Z17.21

    Progesterone receptor positive status

  • Z17.22

    Progesterone receptor negative status

  • Z17.31

    Human epidermal growth factor receptor 2 positive status

  • Z17.32

    Human epidermal growth factor receptor 2 negative status

  • Z17.410

    Hormone receptor positive with human epidermal growth factor receptor 2 positive status

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