ICD-10-CM
Factors influencing health status and contact with health services
Chapter 21, Z00-Z99. CDC FY2027 file dated June 16, 2026.
License: a US government work, in the public domain (Public Domain Mark 1.0).
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Categories
90 categories in this chapter. Open one, or page through every code below.
- Z00Encounter for general exam without complaint, susp or reprtd dx
- Z01Encounter for other sp exam without complaint, suspected or reprtd dx
- Z02Encounter for administrative examination
- Z03Encounter for medical obs for susp diseases and condition ruled out
- Z04Encounter for examination and observation for other reasons
- Z05Enctr for Obs and eval of NB for susp diseases and condition R/O
- Z08Encounter for follow-up exam after trtmt for malignant neoplasm
- Z09Encounter for f/u exam aft trtmt for condition other than malignant neoplasm
- Z11Encounter for screening for infec/parastc diseases
- Z12Encounter for screening for malignant neoplasms
- Z13Encounter for screening for other diseases and disorders
- Z14Genetic carrier
- Z15Genetic susceptibility to disease
- Z16Resistance to antimicrobial drugs
- Z17Estrogen, and other hormones and factors receptor status
- Z18Retained foreign body fragments
- Z19Hormone sensitivity malignancy status
- Z20Contact with and (suspected) exposure to communicable diseases
- Z21Asymptomatic human immunodeficiency virus infection status
- Z22Carrier of infectious disease
- Z23Encounter for immunization
- Z28Immunization not carried out and underimmunization status
- Z29Encounter for other prophylactic measures
- Z30Encounter for contraceptive management
- Z31Encounter for procreative management
- Z32Encounter for preg test and chldbrth and childcare instruction
- Z33Pregnant state
- Z34Encounter for supervision of normal pregnancy
- Z36Encounter for antenatal screening of mother
- Z3AWeeks of gestation
- Z37Outcome of delivery
- Z38Liveborn infants according to place of birth and type of del
- Z39Encounter for maternal postpartum care and examination
- Z40Encounter for prophylactic surgery
- Z41Encounter for proc for purposes other than remedying health state
- Z42Encounter for plast/recnst surg fol med proc or healed injury
54 more categories are in this chapter. Type a code or a term to open one.
Codes
A header groups codes and is not billed. A billable code is one you can report.
281 to 320 of 1,861
- Z18.31Retained animal quills or spinesBillable
- Z18.32Retained toothBillable
- Z18.33Retained wood fragmentsBillable
- Z18.39Other retained organic fragmentsBillable
- Z18.8Other specified retained foreign bodyHeader
- Z18.81Retained glass fragmentsBillable
- Z18.83Retained stone or crystalline fragmentsBillable
- Z18.89Other specified retained foreign body fragmentsBillable
- Z18.9Retained foreign body fragments, unspecified materialBillable
- Z19Hormone sensitivity malignancy statusHeader
- Z19.1Hormone sensitive malignancy statusBillable
- Z19.2Hormone resistant malignancy statusBillable
- Z20Contact with and (suspected) exposure to communicable diseasesHeader
- Z20.0Contact with and exposure to intestinal infectious diseasesHeader
- Z20.01Cntct with and expsr to intestnl infection dis due to E coli (E. coli)Billable
- Z20.09Contact with and exposure to other intestinal infectious diseasesBillable
- Z20.1Contact with and (suspected) exposure to tuberculosisBillable
- Z20.2Contact with and exposure to infect with a sexl mode of transmissBillable
- Z20.3Contact with and (suspected) exposure to rabiesBillable
- Z20.4Contact with and (suspected) exposure to rubellaBillable
- Z20.5Contact with and (suspected) exposure to viral hepatitisBillable
- Z20.6Contact with and (suspected) exposure to human immunodef virusBillable
- Z20.7Cntct with and expsr to pediculosis, acariasis and other infestationsBillable
- Z20.8Contact with and exposure to other communicable diseasesHeader
- Z20.81Contact with and exposure to other bact communicable diseasesHeader
- Z20.810Contact with and (suspected) exposure to anthraxBillable
- Z20.811Contact with and (suspected) exposure to meningococcusBillable
- Z20.818Contact with and exposure to other bact communicable diseasesBillable
- Z20.82Contact with and exposure to other viral communicable diseasesHeader
- Z20.820Contact with and (suspected) exposure to varicellaBillable
- Z20.821Contact with and (suspected) exposure to Zika virusBillable
- Z20.822Contact with and (suspected) exposure to COVID-19Billable
- Z20.828Contact with and exposure to other viral communicable diseasesBillable
- Z20.89Contact with and exposure to other communicable diseasesBillable
- Z20.9Contact with and exposure to unspecified communicable diseaseBillable
- Z21Asymptomatic human immunodeficiency virus infection statusBillable
- Z22Carrier of infectious diseaseHeader
- Z22.0Carrier of typhoidBillable
- Z22.1Carrier of other intestinal infectious diseasesBillable
- Z22.2Carrier of diphtheriaBillable