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

O85-O92 — Complications predominantly related to the puerperium

Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.

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

Codes in range

114

No clinical group

11

A period cannot be grouped from these.

Barred as primary

0

CMS rejects these in the primary position.

Where these codes group

92 of the 114 codes in O85-O92 group to MMTA - Other, but the range is not uniform — it spreads across 3 clinical groups. A further 11 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.

Code families in O85-O92

One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.

Every code in O85-O92

Descriptions are CMS’s own, abbreviated as CMS abbreviates them.

CodeDescriptionClinical groupPrimary position
O85Puerperal sepsisACan lead a claim
O8600Infection of obstetric surgical wound, unspecifiedCCan lead a claim
O8601Infct of obstetric surgical wound, superfic incisional siteCCan lead a claim
O8602Infection of obstetric surgical wound, deep incisional siteCCan lead a claim
O8603Infection of obstetric surgical wound, organ and space siteCCan lead a claim
O8604Sepsis following an obstetrical procedureKCan lead a claim
O8609Infection of obstetric surgical wound, other surgical siteCCan lead a claim
O8611Cervicitis following deliveryACan lead a claim
O8612Endometritis following deliveryACan lead a claim
O8613Vaginitis following deliveryACan lead a claim
O8619Other infection of genital tract following deliveryACan lead a claim
O8620Urinary tract infection following delivery, unspecifiedACan lead a claim
O8621Infection of kidney following deliveryACan lead a claim
O8622Infection of bladder following deliveryACan lead a claim
O8629Other urinary tract infection following deliveryACan lead a claim
O864Pyrexia of unknown origin following deliveryACan lead a claim
O8681Puerperal septic thrombophlebitisACan lead a claim
O8689Other specified puerperal infectionsACan lead a claim
O870Superficial thrombophlebitis in the puerperiumACan lead a claim
O871Deep phlebothrombosis in the puerperiumACan lead a claim
O872Hemorrhoids in the puerperiumACan lead a claim
O873Cerebral venous thrombosis in the puerperiumACan lead a claim
O874Varicose veins of lower extremity in the puerperiumACan lead a claim
O878Other venous complications in the puerperiumACan lead a claim
O879Venous complication in the puerperium, unspecifiedACan lead a claim
O88011Air embolism in pregnancy, first trimesterACan lead a claim
O88012Air embolism in pregnancy, second trimesterACan lead a claim
O88013Air embolism in pregnancy, third trimesterACan lead a claim
O88019Air embolism in pregnancy, unspecified trimesterNoneCannot lead a claim
O8802Air embolism in childbirthACan lead a claim
O8803Air embolism in the puerperiumACan lead a claim
O88111Amniotic fluid embolism in pregnancy, first trimesterACan lead a claim
O88112Amniotic fluid embolism in pregnancy, second trimesterACan lead a claim
O88113Amniotic fluid embolism in pregnancy, third trimesterACan lead a claim
O88119Amniotic fluid embolism in pregnancy, unspecified trimesterNoneCannot lead a claim
O8812Amniotic fluid embolism in childbirthACan lead a claim
O8813Amniotic fluid embolism in the puerperiumACan lead a claim
O88211Thromboembolism in pregnancy, first trimesterACan lead a claim
O88212Thromboembolism in pregnancy, second trimesterACan lead a claim
O88213Thromboembolism in pregnancy, third trimesterACan lead a claim
O88219Thromboembolism in pregnancy, unspecified trimesterNoneCannot lead a claim
O8822Thromboembolism in childbirthACan lead a claim
O8823Thromboembolism in the puerperiumACan lead a claim
O88311Pyemic and septic embolism in pregnancy, first trimesterACan lead a claim
O88312Pyemic and septic embolism in pregnancy, second trimesterACan lead a claim
O88313Pyemic and septic embolism in pregnancy, third trimesterACan lead a claim
O88319Pyemic and septic embolism in pregnancy, unsp trimesterNoneCannot lead a claim
O8832Pyemic and septic embolism in childbirthACan lead a claim
O8833Pyemic and septic embolism in the puerperiumACan lead a claim
O88811Other embolism in pregnancy, first trimesterACan lead a claim
O88812Other embolism in pregnancy, second trimesterACan lead a claim
O88813Other embolism in pregnancy, third trimesterACan lead a claim
O88819Other embolism in pregnancy, unspecified trimesterNoneCannot lead a claim
O8882Other embolism in childbirthACan lead a claim
O8883Other embolism in the puerperiumACan lead a claim
O8901Aspiration pneumonitis due to anesth during the puerperiumACan lead a claim
O8909Oth pulmonary comp of anesthesia during the puerperiumACan lead a claim
O891Cardiac complications of anesthesia during the puerperiumACan lead a claim
O892Cnsl complications of anesthesia during the puerperiumACan lead a claim
O893Toxic reaction to local anesthesia during the puerperiumACan lead a claim
O894Spinal and epidur anesthesia-induced hdache during the puerpACan lead a claim
O895Oth comp of spinal and epidural anesth during the puerperiumACan lead a claim
O896Failed or difficult intubation for anesth during the puerpACan lead a claim
O898Other complications of anesthesia during the puerperiumACan lead a claim
O899Complication of anesthesia during the puerperium, unspACan lead a claim
O900Disruption of cesarean delivery woundACan lead a claim
O901Disruption of perineal obstetric woundACan lead a claim
O902Hematoma of obstetric woundACan lead a claim
O903Peripartum cardiomyopathyACan lead a claim
O9041Hepatorenal syndrome following labor and deliveryACan lead a claim
O9049Other postpartum acute kidney failureACan lead a claim
O905Postpartum thyroiditisACan lead a claim
O906Postpartum mood disturbanceACan lead a claim
O9081Anemia of the puerperiumACan lead a claim
O9089Oth complications of the puerperium, NECACan lead a claim
O909Complication of the puerperium, unspecifiedACan lead a claim
O91011Infection of nipple associated w pregnancy, first trimesterACan lead a claim
O91012Infection of nipple associated w pregnancy, second trimesterACan lead a claim
O91013Infection of nipple associated w pregnancy, third trimesterACan lead a claim
O91019Infection of nipple associated w pregnancy, unsp trimesterACan lead a claim
O9102Infection of nipple associated with the puerperiumACan lead a claim
O9103Infection of nipple associated with lactationACan lead a claim
O91111Abscess of breast associated with pregnancy, first trimesterCCan lead a claim
O91112Abscess of breast associated w pregnancy, second trimesterCCan lead a claim
O91113Abscess of breast associated with pregnancy, third trimesterCCan lead a claim
O91119Abscess of breast associated with pregnancy, unsp trimesterNoneCannot lead a claim
O9112Abscess of breast associated with the puerperiumCCan lead a claim
O9113Abscess of breast associated with lactationCCan lead a claim
O91211Nonpurulent mastitis associated w pregnancy, first trimesterACan lead a claim
O91212Nonpurulent mastitis assoc w pregnancy, second trimesterACan lead a claim
O91213Nonpurulent mastitis associated w pregnancy, third trimesterACan lead a claim
O91219Nonpurulent mastitis associated w pregnancy, unsp trimesterNoneCannot lead a claim
O9122Nonpurulent mastitis associated with the puerperiumACan lead a claim
O9123Nonpurulent mastitis associated with lactationACan lead a claim
O92011Retracted nipple associated with pregnancy, first trimesterACan lead a claim
O92012Retracted nipple associated with pregnancy, second trimesterACan lead a claim
O92013Retracted nipple associated with pregnancy, third trimesterACan lead a claim
O92019Retracted nipple associated with pregnancy, unsp trimesterNoneCannot lead a claim
O9202Retracted nipple associated with the puerperiumACan lead a claim
O9203Retracted nipple associated with lactationACan lead a claim
O92111Cracked nipple associated with pregnancy, first trimesterACan lead a claim
O92112Cracked nipple associated with pregnancy, second trimesterACan lead a claim
O92113Cracked nipple associated with pregnancy, third trimesterACan lead a claim
O92119Cracked nipple associated with pregnancy, unsp trimesterNoneCannot lead a claim
O9212Cracked nipple associated with the puerperiumACan lead a claim
O9213Cracked nipple associated with lactationACan lead a claim
O9220Unsp disorder of breast assoc w pregnancy and the puerperiumNoneCannot lead a claim
O9229Oth disorders of breast assoc w pregnancy and the puerperiumACan lead a claim
O923AgalactiaACan lead a claim
O924HypogalactiaACan lead a claim
O925Suppressed lactationACan lead a claim
O926GalactorrheaACan lead a claim
O9270Unspecified disorders of lactationNoneCannot lead a claim
O9279Other disorders of lactationACan lead a claim

Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. 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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