ICD-10 · PDGM grouping
Z36 Encounter for antenatal screening of mother
All 17 codes in the Z36 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
17
Can lead a claim
0
Cannot lead a claim
17
What CMS assigns to Z36
None of the 17 codes is assigned a clinical group. None of the 17 is assigned a comorbidity subgroup. None can lead a claim.
Every code in Z36
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| Z36.0 | Encounter for antenatal screening for chromosomal anomalies | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.1 | Encounter for antenatal screening for raised alphafetoprotein levelCMS: Enctr for antenat screen for raised alphafetoprotein level | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.2 | Encounter for other antenatal screening follow-up | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.3 | Encounter for antenatal screening for malformations | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.4 | Encounter for antenatal screening for fetal growth retardationCMS: Enctr for antenatal screening for fetal growth retardation | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.5 | Encounter for antenatal screening for isoimmunization | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.8 Encounter for other antenatal screening | ||||
| Z36.81 | Encounter for antenatal screening for hydrops fetalis | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.82 | Encounter for antenatal screening for nuchal translucency | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.83 | Encounter for fetal screening for congenital cardiac abnormalitiesCMS: Encounter for fetal screening for congenital cardiac abnlt | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.84 | Encounter for antenatal screening for fetal lung maturity | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.85 | Encounter for antenatal screening for Streptococcus B | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.86 | Encounter for antenatal screening for cervical length | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.87 | Encounter for antenatal screening for uncertain dates | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.88 | Encounter for antenatal screening for fetal macrosomia | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.89 | Encounter for other specified antenatal screening | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.8A | Encounter for antenatal screening for other genetic defects | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z36.9 | Encounter for antenatal screening, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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