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

O08 Complications following ectopic and molar pregnancy

All 13 codes in the O08 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

13

Can lead a claim

13

Cannot lead a claim

0

What CMS assigns to O08

All 13 codes group to MMTA - Other. None of the 13 is assigned a comorbidity subgroup. Every code can lead a claim.

Every code in O08

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
O08.0Genital tract and pelvic infection following ectopic and molar pregnancyCMS: Genitl trct and pelvic infct fol ectopic and molar pregnancyCan lead a claimANone
O08.1Delayed or excessive hemorrhage following ectopic and molar pregnancyCMS: Delayed or excess hemor fol ectopic and molar pregnancyCan lead a claimANone
O08.2Embolism following ectopic and molar pregnancyCan lead a claimANone
O08.3Shock following ectopic and molar pregnancyCan lead a claimANone
O08.4Renal failure following ectopic and molar pregnancyCan lead a claimANone
O08.5Metabolic disorders following an ectopic and molar pregnancyCan lead a claimANone
O08.6Damage to pelvic organs and tissues following an ectopic and molar pregnancyCMS: Damage to pelvic organs and tiss fol an ect and molar pregCan lead a claimANone
O08.7Other venous complications following an ectopic and molar pregnancyCMS: Oth venous comp following an ectopic and molar pregnancyCan lead a claimANone
O08.8 Other complications following an ectopic and molar pregnancy
O08.81Cardiac arrest following an ectopic and molar pregnancyCan lead a claimANone
O08.82Sepsis following ectopic and molar pregnancyCan lead a claimANone
O08.83Urinary tract infection following an ectopic and molar pregnancyCMS: Urinary tract infection fol an ectopic and molar pregnancyCan lead a claimANone
O08.89Other complications following an ectopic and molar pregnancyCan lead a claimANone
O08.9Unspecified complication following an ectopic and molar pregnancyCMS: Unsp complication following an ectopic and molar pregnancyCan lead a claimANone

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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