Z36.1
ICD-10BillableEnctr for antenat screen for raised alphafetoprotein level
Official ICD-10-CM descriptor (FY2026)
Encounter for antenatal screening for raised alphafetoprotein level
Z36.1 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Encounter for antenatal screening for elevated maternal serum alphafetoprotein level
Related codes in Z36
- Z36.0Encounter for antenatal screening for chromosomal anomalies
- Z36.2Encounter for other antenatal screening follow-up
- Z36.3Encounter for antenatal screening for malformations
- Z36.4Enctr for antenatal screening for fetal growth retardation
- Z36.5Encounter for antenatal screening for isoimmunization
- Z36.8Encounter for other antenatal screeningcategory
- Z36.9Encounter for antenatal screening, unspecified
Where this code sits
- Parent code
- Z36
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.