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.
321 to 360 of 1,861
- Z22.3Carrier of other specified bacterial diseasesHeader
- Z22.31Carrier of bacterial disease due to meningococciBillable
- Z22.32Carrier of bacterial disease due to staphylococciHeader
- Z22.321Carrier or suspected carrier of methicillin susceptible staphylococcusBillable
- Z22.322Carrier or suspected carrier of methicillin resistant staphylococcusBillable
- Z22.33Carrier of bacterial disease due to streptococciHeader
- Z22.330Carrier of Group B streptococcusBillable
- Z22.338Carrier of other streptococcusBillable
- Z22.34Carrier of Acinetobacter baumanniiHeader
- Z22.340Carrier of carbapenem-resistant Acinetobacter baumanniiBillable
- Z22.341Carrier of carbapenem-sensitive Acinetobacter baumanniiBillable
- Z22.349Carrier of Acinetobacter baumannii, unspecifiedBillable
- Z22.35Carrier of EnterobacteralesHeader
- Z22.350Carrier of carbapenem-resistant EnterobacteralesBillable
- Z22.358Carrier of other EnterobacteralesBillable
- Z22.359Carrier of Enterobacterales, unspecifiedBillable
- Z22.39Carrier of other specified bacterial diseasesBillable
- Z22.4Carrier of infections with sexl mode of transmissBillable
- Z22.6Carrier of human T-lymphotropic virus type-1 infectionBillable
- Z22.7Latent tuberculosisBillable
- Z22.8Carrier of other infectious diseasesBillable
- Z22.9Carrier of infectious disease, unspecifiedBillable
- Z23Encounter for immunizationBillable
- Z28Immunization not carried out and underimmunization statusHeader
- Z28.0Immunization not carried out because of contraindicationHeader
- Z28.01Immunization not crd out because of acute illness of patientBillable
- Z28.02Immuniz not crd out bec chronic illness or condition of patientBillable
- Z28.03Immuniz not crd out bec immune compromised state of patientBillable
- Z28.04Immuniz not crd out bec patient allergy to vaccine or cmpntBillable
- Z28.09Immunization not carried out because of other contraindicationBillable
- Z28.1Immuniz not crd out because of patient belief/grp pressrBillable
- Z28.2Immuniz not crd out bec pt decision for other and unspecified reasonHeader
- Z28.20Immuniz not crd out bec patient decision for unspecified reasonBillable
- Z28.21Immunization not carried out because of patient refusalBillable
- Z28.29Immuniz not crd out bec patient decision for other reasonBillable
- Z28.3Underimmunization statusHeader
- Z28.31Underimmunization for COVID-19 statusHeader
- Z28.310Unvaccinated for COVID-19Billable
- Z28.311Partially vaccinated for COVID-19Billable
- Z28.39Other underimmunization statusBillable