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

O75 Other complications of labor and delivery, not elsewhere classified

All 10 codes in the O75 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

8

Cannot lead a claim

2

What CMS assigns to O75

8 of the 10 codes group to MMTA - Other; 2 are assigned no clinical group. None of the 10 is assigned a comorbidity subgroup. 8 of the 10 can lead a claim. CMS attaches a code-first note to 1 of the 10.

Code first

CMS grouper convention 147, on O75.82. Code first:

  • cephalopelvic disproportion (normally formed fetus) (O33.9)
  • previous cesarean delivery (O34.21-)
  • to specify reason for planned cesarean section such as:

Every code in O75

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
O75.0Maternal distress during labor and deliveryCan lead a claimANone
O75.1Shock during or following labor and deliveryCan lead a claimANone
O75.2Pyrexia during labor, not elsewhere classifiedCan lead a claimANone
O75.3Other infection during laborCan lead a claimANone
O75.4Other complications of obstetric surgery and proceduresCan lead a claimANone
O75.5Delayed delivery after artificial rupture of membranesCan lead a claimANone
O75.8 Other specified complications of labor and delivery
O75.81Maternal exhaustion complicating labor and deliveryCan lead a claimANone
O75.82Onset (spontaneous) of labor after 37 completed weeks of gestation but before 39 completed weeks gestation, with delivery by (planned) cesarean sectionCMS: Onset labor 37-39 weeks, w del by (planned) cesarean sectionCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
O75.89Other specified complications of labor and deliveryCan lead a claimANone
O75.9Complication of labor and delivery, unspecifiedCannot 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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