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.
481 to 520 of 1,861
- Z3A.0Weeks of gestation of pregnancy, unspecified or less than 10 weeksHeader
- Z3A.00Weeks of gestation of pregnancy not specifiedBillable
- Z3A.01Less than 8 weeks gestation of pregnancyBillable
- Z3A.088 weeks gestation of pregnancyBillable
- Z3A.099 weeks gestation of pregnancyBillable
- Z3A.1Weeks of gestation of pregnancy, weeks 10-19Header
- Z3A.1010 weeks gestation of pregnancyBillable
- Z3A.1111 weeks gestation of pregnancyBillable
- Z3A.1212 weeks gestation of pregnancyBillable
- Z3A.1313 weeks gestation of pregnancyBillable
- Z3A.1414 weeks gestation of pregnancyBillable
- Z3A.1515 weeks gestation of pregnancyBillable
- Z3A.1616 weeks gestation of pregnancyBillable
- Z3A.1717 weeks gestation of pregnancyBillable
- Z3A.1818 weeks gestation of pregnancyBillable
- Z3A.1919 weeks gestation of pregnancyBillable
- Z3A.2Weeks of gestation of pregnancy, weeks 20-29Header
- Z3A.2020 weeks gestation of pregnancyBillable
- Z3A.2121 weeks gestation of pregnancyBillable
- Z3A.2222 weeks gestation of pregnancyBillable
- Z3A.2323 weeks gestation of pregnancyBillable
- Z3A.2424 weeks gestation of pregnancyBillable
- Z3A.2525 weeks gestation of pregnancyBillable
- Z3A.2626 weeks gestation of pregnancyBillable
- Z3A.2727 weeks gestation of pregnancyBillable
- Z3A.2828 weeks gestation of pregnancyBillable
- Z3A.2929 weeks gestation of pregnancyBillable
- Z3A.3Weeks of gestation of pregnancy, weeks 30-39Header
- Z3A.3030 weeks gestation of pregnancyBillable
- Z3A.3131 weeks gestation of pregnancyBillable
- Z3A.3232 weeks gestation of pregnancyBillable
- Z3A.3333 weeks gestation of pregnancyBillable
- Z3A.3434 weeks gestation of pregnancyBillable
- Z3A.3535 weeks gestation of pregnancyBillable
- Z3A.3636 weeks gestation of pregnancyBillable
- Z3A.3737 weeks gestation of pregnancyBillable
- Z3A.3838 weeks gestation of pregnancyBillable
- Z3A.3939 weeks gestation of pregnancyBillable
- Z3A.4Weeks of gestation of pregnancy, weeks 40 or greaterHeader
- Z3A.4040 weeks gestation of pregnancyBillable