ICD-10-CM · Chapter 21 · Z00-Z99
Factors influencing health status and contact with health services
90 categories
Category titles are WHO ICD-10 titles for the same three characters; open a category for the ICD-10-CM codes in it.
- Z00General examination and investigation of persons without complaint and reported diagnosis13 codes
- Z01Other special examinations and investigations of persons without complaint or reported diagnosis23 codes
- Z02Examination and encounter for administrative purposes15 codes
- Z03Medical observation and evaluation for suspected diseases and conditions, ruled out14 codes
- Z04Examination and observation for other reasons12 codes
- Z05Observation and evaluation of newborn for suspected cardiac condition ruled out15 codes
- Z08Follow-up examination after treatment for malignant neoplasms1 codes
- Z09Follow-up examination after treatment for conditions other than malignant neoplasms1 codes
- Z11Special screening examination for infectious and parasitic diseases12 codes
- Z12Special screening examination for neoplasms20 codes
- Z13Special screening examination for other diseases and disorders30 codes
- Z14Asymptomatic hemophilia A carrier4 codes
- Z15Genetic susceptibility to malignant neoplasm of breast14 codes
- Z16Resistance to unspecified beta lactam antibiotics19 codes
- Z17Estrogen receptor positive status [ER+]10 codes
- Z18Retained depleted uranium fragments14 codes
- Z19Hormone sensitive malignancy status2 codes
- Z20Contact with and exposure to communicable diseases18 codes
- Z21Asymptomatic human immunodeficiency virus [HIV] infection status1 codes
- Z22Carrier of infectious disease20 codes
- Z23Need for immunization against single bacterial diseases1 codes
- Z28Immunization not carried out17 codes
- Z29Need for other prophylactic measures8 codes
- Z30Contraceptive management25 codes
- Z31Procreative management20 codes
- Z32Pregnancy examination and test5 codes
- Z33Pregnant state, incidental3 codes
- Z34Supervision of normal pregnancy12 codes
- Z36Antenatal screening17 codes
- Z37Outcome of delivery19 codes
- Z38Liveborn infants according to place of birth18 codes
- Z39Postpartum care and examination3 codes
- Z3AWeeks of gestation of pregnancy not specified38 codes
- Z40Prophylactic surgery9 codes
- Z41Procedures for purposes other than remedying health state5 codes
- Z42Follow-up care involving plastic surgery2 codes
- Z43Attention to artificial openings10 codes
- Z44Fitting and adjustment of external prosthetic device26 codes
- Z45Adjustment and management of implanted device19 codes
- Z46Fitting and adjustment of other devices12 codes
- Z47Other orthopaedic follow-up care8 codes
- Z48Other surgical follow-up care23 codes
- Z49Care involving dialysis4 codes
- Z51Other medical care8 codes
- Z52Donors of organs and tissues26 codes
- Z53Persons encountering health services for specific procedures, not carried out12 codes
- Z55Problems related to education and literacy9 codes
- Z56Problems related to employment and unemployment11 codes
- Z57Occupational exposure to risk-factors11 codes
- Z58Problems related to physical environment3 codes
- Z59Problems related to housing and economic circumstances25 codes
- Z60Problems related to social environment7 codes
- Z62Other problems related to upbringing28 codes
- Z63Other problems related to primary support group, including family circumstances12 codes
- Z64Problems related to certain psychosocial circumstances3 codes
- Z65Problems related to other psychosocial circumstances8 codes
- Z66Do not resuscitate1 codes
- Z67Type A blood, Rh positive14 codes
- Z68Body mass index [BMI] 19.9 or less, adult32 codes
- Z69Encounter for mental health services for victim of parental child abuse8 codes
- Z70Counselling related to sexual attitude, behaviour and orientation6 codes
- Z71Persons encountering health services for other counselling and medical advice, not elsewhere classified19 codes
- Z72Problems related to lifestyle14 codes
- Z73Problems related to life-management difficulty14 codes
- Z74Problems related to care-provider dependency7 codes
- Z75Problems related to medical facilities and other health care8 codes
- Z76Persons encountering health services in other circumstances9 codes
- Z77Contact with and (suspected) exposure to arsenic24 codes
- Z78Asymptomatic menopausal state3 codes
- Z79Long term (current) use of anticoagulants32 codes
- Z80Family history of malignant neoplasm16 codes
- Z81Family history of mental and behavioural disorders6 codes
- Z82Family history of certain disabilities and chronic diseases leading to disablement13 codes
- Z83Family history of other specific disorders19 codes
- Z84Family history of other conditions9 codes
- Z85Personal history of malignant neoplasm60 codes
- Z86Personal history of certain other diseases39 codes
- Z87Personal history of other diseases and conditions49 codes
- Z88Personal history of allergy to drugs, medicaments and biological substances10 codes
- Z89Acquired absence of limb49 codes
- Z90Acquired absence of organs, not elsewhere classified22 codes
- Z91Personal history of risk-factors, not elsewhere classified62 codes
- Z92Personal history of medical treatment19 codes
- Z93Artificial opening status12 codes
- Z94Transplanted organ and tissue status14 codes
- Z95Presence of cardiac and vascular implants and grafts13 codes
- Z96Presence of other functional implants40 codes
- Z97Presence of other devices13 codes
- Z98Other postsurgical states23 codes
- Z99Dependence on enabling machines and devices, not elsewhere classified7 codes
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
Look up another code
Stop looking codes up by hand
Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.
Try Docdemic free