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.
521 to 560 of 1,861
- Z3A.4141 weeks gestation of pregnancyBillable
- Z3A.4242 weeks gestation of pregnancyBillable
- Z3A.49Greater than 42 weeks gestation of pregnancyBillable
- Z37Outcome of deliveryHeader
- Z37.0Single live birthBillable
- Z37.1Single stillbirthBillable
- Z37.2Twins, both livebornBillable
- Z37.3Twins, one liveborn and one stillbornBillable
- Z37.4Twins, both stillbornBillable
- Z37.5Other multiple births, all livebornHeader
- Z37.50Multiple births, unspecified, all livebornBillable
- Z37.51Triplets, all livebornBillable
- Z37.52Quadruplets, all livebornBillable
- Z37.53Quintuplets, all livebornBillable
- Z37.54Sextuplets, all livebornBillable
- Z37.59Other multiple births, all livebornBillable
- Z37.6Other multiple births, some livebornHeader
- Z37.60Multiple births, unspecified, some livebornBillable
- Z37.61Triplets, some livebornBillable
- Z37.62Quadruplets, some livebornBillable
- Z37.63Quintuplets, some livebornBillable
- Z37.64Sextuplets, some livebornBillable
- Z37.69Other multiple births, some livebornBillable
- Z37.7Other multiple births, all stillbornBillable
- Z37.9Outcome of delivery, unspecifiedBillable
- Z38Liveborn infants according to place of birth and type of delHeader
- Z38.0Single liveborn infant, born in hospitalHeader
- Z38.00Single liveborn infant, delivered vaginallyBillable
- Z38.01Single liveborn infant, delivered by cesareanBillable
- Z38.1Single liveborn infant, born outside hospitalBillable
- Z38.2Single liveborn infant, unspecified as to place of birthBillable
- Z38.3Twin liveborn infant, born in hospitalHeader
- Z38.30Twin liveborn infant, delivered vaginallyBillable
- Z38.31Twin liveborn infant, delivered by cesareanBillable
- Z38.4Twin liveborn infant, born outside hospitalBillable
- Z38.5Twin liveborn infant, unspecified as to place of birthBillable
- Z38.6Other multiple liveborn infant, born in hospitalHeader
- Z38.61Triplet liveborn infant, delivered vaginallyBillable
- Z38.62Triplet liveborn infant, delivered by cesareanBillable
- Z38.63Quadruplet liveborn infant, delivered vaginallyBillable