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 v07.1.26.
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.
Every code in O85-O92
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| O85 | Puerperal sepsis | A | Accepted |
| O8600 | Infection of obstetric surgical wound, unspecified | C | Accepted |
| O8601 | Infct of obstetric surgical wound, superfic incisional site | C | Accepted |
| O8602 | Infection of obstetric surgical wound, deep incisional site | C | Accepted |
| O8603 | Infection of obstetric surgical wound, organ and space site | C | Accepted |
| O8604 | Sepsis following an obstetrical procedure | K | Accepted |
| O8609 | Infection of obstetric surgical wound, other surgical site | C | Accepted |
| O8611 | Cervicitis following delivery | A | Accepted |
| O8612 | Endometritis following delivery | A | Accepted |
| O8613 | Vaginitis following delivery | A | Accepted |
| O8619 | Other infection of genital tract following delivery | A | Accepted |
| O8620 | Urinary tract infection following delivery, unspecified | A | Accepted |
| O8621 | Infection of kidney following delivery | A | Accepted |
| O8622 | Infection of bladder following delivery | A | Accepted |
| O8629 | Other urinary tract infection following delivery | A | Accepted |
| O864 | Pyrexia of unknown origin following delivery | A | Accepted |
| O8681 | Puerperal septic thrombophlebitis | A | Accepted |
| O8689 | Other specified puerperal infections | A | Accepted |
| O870 | Superficial thrombophlebitis in the puerperium | A | Accepted |
| O871 | Deep phlebothrombosis in the puerperium | A | Accepted |
| O872 | Hemorrhoids in the puerperium | A | Accepted |
| O873 | Cerebral venous thrombosis in the puerperium | A | Accepted |
| O874 | Varicose veins of lower extremity in the puerperium | A | Accepted |
| O878 | Other venous complications in the puerperium | A | Accepted |
| O879 | Venous complication in the puerperium, unspecified | A | Accepted |
| O88011 | Air embolism in pregnancy, first trimester | A | Accepted |
| O88012 | Air embolism in pregnancy, second trimester | A | Accepted |
| O88013 | Air embolism in pregnancy, third trimester | A | Accepted |
| O88019 | Air embolism in pregnancy, unspecified trimester | None | Cannot group |
| O8802 | Air embolism in childbirth | A | Accepted |
| O8803 | Air embolism in the puerperium | A | Accepted |
| O88111 | Amniotic fluid embolism in pregnancy, first trimester | A | Accepted |
| O88112 | Amniotic fluid embolism in pregnancy, second trimester | A | Accepted |
| O88113 | Amniotic fluid embolism in pregnancy, third trimester | A | Accepted |
| O88119 | Amniotic fluid embolism in pregnancy, unspecified trimester | None | Cannot group |
| O8812 | Amniotic fluid embolism in childbirth | A | Accepted |
| O8813 | Amniotic fluid embolism in the puerperium | A | Accepted |
| O88211 | Thromboembolism in pregnancy, first trimester | A | Accepted |
| O88212 | Thromboembolism in pregnancy, second trimester | A | Accepted |
| O88213 | Thromboembolism in pregnancy, third trimester | A | Accepted |
| O88219 | Thromboembolism in pregnancy, unspecified trimester | None | Cannot group |
| O8822 | Thromboembolism in childbirth | A | Accepted |
| O8823 | Thromboembolism in the puerperium | A | Accepted |
| O88311 | Pyemic and septic embolism in pregnancy, first trimester | A | Accepted |
| O88312 | Pyemic and septic embolism in pregnancy, second trimester | A | Accepted |
| O88313 | Pyemic and septic embolism in pregnancy, third trimester | A | Accepted |
| O88319 | Pyemic and septic embolism in pregnancy, unsp trimester | None | Cannot group |
| O8832 | Pyemic and septic embolism in childbirth | A | Accepted |
| O8833 | Pyemic and septic embolism in the puerperium | A | Accepted |
| O88811 | Other embolism in pregnancy, first trimester | A | Accepted |
| O88812 | Other embolism in pregnancy, second trimester | A | Accepted |
| O88813 | Other embolism in pregnancy, third trimester | A | Accepted |
| O88819 | Other embolism in pregnancy, unspecified trimester | None | Cannot group |
| O8882 | Other embolism in childbirth | A | Accepted |
| O8883 | Other embolism in the puerperium | A | Accepted |
| O8901 | Aspiration pneumonitis due to anesth during the puerperium | A | Accepted |
| O8909 | Oth pulmonary comp of anesthesia during the puerperium | A | Accepted |
| O891 | Cardiac complications of anesthesia during the puerperium | A | Accepted |
| O892 | Cnsl complications of anesthesia during the puerperium | A | Accepted |
| O893 | Toxic reaction to local anesthesia during the puerperium | A | Accepted |
| O894 | Spinal and epidur anesthesia-induced hdache during the puerp | A | Accepted |
| O895 | Oth comp of spinal and epidural anesth during the puerperium | A | Accepted |
| O896 | Failed or difficult intubation for anesth during the puerp | A | Accepted |
| O898 | Other complications of anesthesia during the puerperium | A | Accepted |
| O899 | Complication of anesthesia during the puerperium, unsp | A | Accepted |
| O900 | Disruption of cesarean delivery wound | A | Accepted |
| O901 | Disruption of perineal obstetric wound | A | Accepted |
| O902 | Hematoma of obstetric wound | A | Accepted |
| O903 | Peripartum cardiomyopathy | A | Accepted |
| O9041 | Hepatorenal syndrome following labor and delivery | A | Accepted |
| O9049 | Other postpartum acute kidney failure | A | Accepted |
| O905 | Postpartum thyroiditis | A | Accepted |
| O906 | Postpartum mood disturbance | A | Accepted |
| O9081 | Anemia of the puerperium | A | Accepted |
| O9089 | Oth complications of the puerperium, NEC | A | Accepted |
| O909 | Complication of the puerperium, unspecified | A | Accepted |
| O91011 | Infection of nipple associated w pregnancy, first trimester | A | Accepted |
| O91012 | Infection of nipple associated w pregnancy, second trimester | A | Accepted |
| O91013 | Infection of nipple associated w pregnancy, third trimester | A | Accepted |
| O91019 | Infection of nipple associated w pregnancy, unsp trimester | A | Accepted |
| O9102 | Infection of nipple associated with the puerperium | A | Accepted |
| O9103 | Infection of nipple associated with lactation | A | Accepted |
| O91111 | Abscess of breast associated with pregnancy, first trimester | C | Accepted |
| O91112 | Abscess of breast associated w pregnancy, second trimester | C | Accepted |
| O91113 | Abscess of breast associated with pregnancy, third trimester | C | Accepted |
| O91119 | Abscess of breast associated with pregnancy, unsp trimester | None | Cannot group |
| O9112 | Abscess of breast associated with the puerperium | C | Accepted |
| O9113 | Abscess of breast associated with lactation | C | Accepted |
| O91211 | Nonpurulent mastitis associated w pregnancy, first trimester | A | Accepted |
| O91212 | Nonpurulent mastitis assoc w pregnancy, second trimester | A | Accepted |
| O91213 | Nonpurulent mastitis associated w pregnancy, third trimester | A | Accepted |
| O91219 | Nonpurulent mastitis associated w pregnancy, unsp trimester | None | Cannot group |
| O9122 | Nonpurulent mastitis associated with the puerperium | A | Accepted |
| O9123 | Nonpurulent mastitis associated with lactation | A | Accepted |
| O92011 | Retracted nipple associated with pregnancy, first trimester | A | Accepted |
| O92012 | Retracted nipple associated with pregnancy, second trimester | A | Accepted |
| O92013 | Retracted nipple associated with pregnancy, third trimester | A | Accepted |
| O92019 | Retracted nipple associated with pregnancy, unsp trimester | None | Cannot group |
| O9202 | Retracted nipple associated with the puerperium | A | Accepted |
| O9203 | Retracted nipple associated with lactation | A | Accepted |
| O92111 | Cracked nipple associated with pregnancy, first trimester | A | Accepted |
| O92112 | Cracked nipple associated with pregnancy, second trimester | A | Accepted |
| O92113 | Cracked nipple associated with pregnancy, third trimester | A | Accepted |
| O92119 | Cracked nipple associated with pregnancy, unsp trimester | None | Cannot group |
| O9212 | Cracked nipple associated with the puerperium | A | Accepted |
| O9213 | Cracked nipple associated with lactation | A | Accepted |
| O9220 | Unsp disorder of breast assoc w pregnancy and the puerperium | None | Cannot group |
| O9229 | Oth disorders of breast assoc w pregnancy and the puerperium | A | Accepted |
| O923 | Agalactia | A | Accepted |
| O924 | Hypogalactia | A | Accepted |
| O925 | Suppressed lactation | A | Accepted |
| O926 | Galactorrhea | A | Accepted |
| O9270 | Unspecified disorders of lactation | None | Cannot group |
| O9279 | Other disorders of lactation | A | Accepted |
Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. 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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