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

O65 Obstructed labor due to maternal pelvic abnormality

All 8 codes in the O65 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

8

Can lead a claim

0

Cannot lead a claim

8

What CMS assigns to O65

None of the 8 codes is assigned a clinical group. None of the 8 is assigned a comorbidity subgroup. None can lead a claim.

Every code in O65

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
O65.0Obstructed labor due to deformed pelvisCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
O65.1Obstructed labor due to generally contracted pelvisCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
O65.2Obstructed labor due to pelvic inlet contractionCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
O65.3Obstructed labor due to pelvic outlet and mid-cavity contractionCMS: Obst labor due to pelvic outlet and mid-cavity contrctnCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
O65.4Obstructed labor due to fetopelvic disproportion, unspecifiedCMS: Obstructed labor due to fetopelvic disproportion, unspCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
O65.5Obstructed labor due to abnormality of maternal pelvic organsCMS: Obstructed labor due to abnlt of maternal pelvic organsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
O65.8Obstructed labor due to other maternal pelvic abnormalitiesCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
O65.9Obstructed labor due to maternal pelvic abnormality, unspecifiedCMS: Obstructed labor due to maternal pelvic abnormality, 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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