ICD-10-CM diagnosis code
Z36.83 Encounter for fetal screening for congenital cardiac abnormalities
- Billable
- Yes, a complete code (FY2026)
- Category
- Z36 Antenatal screening
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Other codes in Z36
17 complete codes in this category.
- Z36.2Encounter for other antenatal screening follow-up
- Z36.3Encounter for antenatal screening for malformations
- Z36.4Encounter for antenatal screening for fetal growth retardation
- Z36.5Encounter for antenatal screening for isoimmunization
- Z36.81Encounter for antenatal screening for hydrops fetalis
- Z36.82Encounter for antenatal screening for nuchal translucency
- Z36.83Encounter for fetal screening for congenital cardiac abnormalities
- Z36.84Encounter for antenatal screening for fetal lung maturity
- Z36.85Encounter for antenatal screening for Streptococcus B
- Z36.86Encounter for antenatal screening for cervical length
- Z36.87Encounter for antenatal screening for uncertain dates
- Z36.88Encounter for antenatal screening for fetal macrosomia
Documentation tips
- Make sure the note supports every element of the title, “Encounter for fetal screening for congenital cardiac abnormalities”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to Z36.
The international WHO ICD-10 also has Z36, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
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.
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