October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

P29 Cardiovascular disorders originating in the perinatal period

All 10 codes in the P29 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.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

10

Can lead a claim

7

Cannot lead a claim

3

What CMS assigns to P29

7 of the 10 codes group to MMTA - Other; 3 are assigned no clinical group. None of the 10 is assigned a comorbidity subgroup. 7 of the 10 can lead a claim.

Every code in P29

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
P29.0Neonatal cardiac failureCan lead a claimANone
P29.1 Neonatal cardiac dysrhythmia
P29.11Neonatal tachycardiaCan lead a claimANone
P29.12Neonatal bradycardiaCan lead a claimANone
P29.2Neonatal hypertensionCan lead a claimANone
P29.3 Persistent fetal circulation
P29.30Pulmonary hypertension of newbornCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
P29.38Other persistent fetal circulationCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
P29.4Transient myocardial ischemia in newbornCan lead a claimANone
P29.8 Other cardiovascular disorders originating in the perinatal period
P29.81Cardiac arrest of newbornCan lead a claimANone
P29.89Other cardiovascular disorders originating in the perinatal periodCMS: Oth cardiovasc disorders originating in the perinatal periodCan lead a claimANone
P29.9Cardiovascular disorder originating in the perinatal period, unspecifiedCMS: Cardiovasc disorder origin in the perinatal period, unspCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

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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