| O85 | Puerperal sepsis |
| O86 | Other puerperal infections |
| O86.0 | Infection of obstetric surgical wound |
| O86.1 | Other infection of genital tract following delivery |
| O86.11 | Cervicitis following delivery |
| O86.12 | Endometritis following delivery |
| O86.13 | Vaginitis following delivery |
| O86.19 | Other infection of genital tract following delivery |
| O86.2 | Urinary tract infection following delivery |
| O86.20 | Urinary tract infection following delivery, unspecified |
| O86.21 | Infection of kidney following delivery |
| O86.22 | Infection of bladder following delivery |
| O86.29 | Other urinary tract infection following delivery |
| O86.4 | Pyrexia of unknown origin following delivery |
| O86.8 | Other specified puerperal infections |
| O86.81 | Puerperal septic thrombophlebitis |
| O86.89 | Other specified puerperal infections |
| O87 | Venous complications and hemorrhoids in the puerperium |
| O87.0 | Superficial thrombophlebitis in the puerperium |
| O87.1 | Deep phlebothrombosis in the puerperium |
| O87.2 | Hemorrhoids in the puerperium |
| O87.3 | Cerebral venous thrombosis in the puerperium |
| O87.4 | Varicose veins of lower extremity in the puerperium |
| O87.8 | Other venous complications in the puerperium |
| O87.9 | Venous complication in the puerperium, unspecified |
| O88 | Obstetric embolism |
| O88.0 | Obstetric air embolism |
| O88.01 | Obstetric air embolism in pregnancy |
| O88.011 | Air embolism in pregnancy, first trimester |
| O88.012 | Air embolism in pregnancy, second trimester |
| O88.013 | Air embolism in pregnancy, third trimester |
| O88.019 | Air embolism in pregnancy, unspecified trimester |
| O88.02 | Air embolism in childbirth |
| O88.03 | Air embolism in the puerperium |
| O88.1 | Amniotic fluid embolism |
| O88.11 | Amniotic fluid embolism in pregnancy |
| O88.111 | Amniotic fluid embolism in pregnancy, first trimester |
| O88.112 | Amniotic fluid embolism in pregnancy, second trimester |
| O88.113 | Amniotic fluid embolism in pregnancy, third trimester |
| O88.119 | Amniotic fluid embolism in pregnancy, unspecified trimester |
| O88.12 | Amniotic fluid embolism in childbirth |
| O88.13 | Amniotic fluid embolism in the puerperium |
| O88.2 | Obstetric thromboembolism |
| O88.21 | Thromboembolism in pregnancy |
| O88.211 | Thromboembolism in pregnancy, first trimester |
| O88.212 | Thromboembolism in pregnancy, second trimester |
| O88.213 | Thromboembolism in pregnancy, third trimester |
| O88.219 | Thromboembolism in pregnancy, unspecified trimester |
| O88.22 | Thromboembolism in childbirth |
| O88.23 | Thromboembolism in the puerperium |
| O88.3 | Obstetric pyemic and septic embolism |
| O88.31 | Pyemic and septic embolism in pregnancy |
| O88.311 | Pyemic and septic embolism in pregnancy, first trimester |
| O88.312 | Pyemic and septic embolism in pregnancy, second trimester |
| O88.313 | Pyemic and septic embolism in pregnancy, third trimester |
| O88.319 | Pyemic and septic embolism in pregnancy, unspecified trimester |
| O88.32 | Pyemic and septic embolism in childbirth |
| O88.33 | Pyemic and septic embolism in the puerperium |
| O88.8 | Other obstetric embolism |
| O88.81 | Other embolism in pregnancy |
| O88.811 | Other embolism in pregnancy, first trimester |
| O88.812 | Other embolism in pregnancy, second trimester |
| O88.813 | Other embolism in pregnancy, third trimester |
| O88.819 | Other embolism in pregnancy, unspecified trimester |
| O88.82 | Other embolism in childbirth |
| O88.83 | Other embolism in the puerperium |
| O89 | Complications of anesthesia during the puerperium |
| O89.0 | Pulmonary complications of anesthesia during the puerperium |
| O89.01 | Aspiration pneumonitis due to anesthesia during the puerperium |
| O89.09 | Other pulmonary complications of anesthesia during the puerperium |
| O89.1 | Cardiac complications of anesthesia during the puerperium |
| O89.2 | Central nervous system complications of anesthesia during the puerperium |
| O89.3 | Toxic reaction to local anesthesia during the puerperium |
| O89.4 | Spinal and epidural anesthesia-induced headache during the puerperium |
| O89.5 | Other complications of spinal and epidural anesthesia during the puerperium |
| O89.6 | Failed or difficult intubation for anesthesia during the puerperium |
| O89.8 | Other complications of anesthesia during the puerperium |
| O89.9 | Complication of anesthesia during the puerperium, unspecified |
| O90 | Complications of the puerperium, not elsewhere classified |
| O90.0 | Disruption of cesarean delivery wound |
| O90.1 | Disruption of perineal obstetric wound |
| O90.2 | Hematoma of obstetric wound |
| O90.3 | Peripartum cardiomyopathy |
| O90.4 | Postpartum acute kidney failure |
| O90.5 | Postpartum thyroiditis |
| O90.6 | Postpartum mood disturbance |
| O90.8 | Other complications of the puerperium, not elsewhere classified |
| O90.81 | Anemia of the puerperium |
| O90.89 | Other complications of the puerperium, not elsewhere classified |
| O90.9 | Complication of the puerperium, unspecified |
| O91 | Infections of breast associated with pregnancy, the puerperium and lactation |
| O91.0 | Infection of nipple associated with pregnancy, the puerperium and lactation |
| O91.01 | Infection of nipple associated with pregnancy |
| O91.011 | Infection of nipple associated with pregnancy, first trimester |
| O91.012 | Infection of nipple associated with pregnancy, second trimester |
| O91.013 | Infection of nipple associated with pregnancy, third trimester |
| O91.019 | Infection of nipple associated with pregnancy, unspecified trimester |
| O91.02 | Infection of nipple associated with the puerperium |
| O91.03 | Infection of nipple associated with lactation |
| O91.1 | Abscess of breast associated with pregnancy, the puerperium and lactation |
| O91.11 | Abscess of breast associated with pregnancy |
| O91.111 | Abscess of breast associated with pregnancy, first trimester |
| O91.112 | Abscess of breast associated with pregnancy, second trimester |
| O91.113 | Abscess of breast associated with pregnancy, third trimester |
| O91.119 | Abscess of breast associated with pregnancy, unspecified trimester |
| O91.12 | Abscess of breast associated with the puerperium |
| O91.13 | Abscess of breast associated with lactation |
| O91.2 | Nonpurulent mastitis associated with pregnancy, the puerperium and lactation |
| O91.21 | Nonpurulent mastitis associated with pregnancy |
| O91.211 | Nonpurulent mastitis associated with pregnancy, first trimester |
| O91.212 | Nonpurulent mastitis associated with pregnancy, second trimester |
| O91.213 | Nonpurulent mastitis associated with pregnancy, third trimester |
| O91.219 | Nonpurulent mastitis associated with pregnancy, unspecified trimester |
| O91.22 | Nonpurulent mastitis associated with the puerperium |
| O91.23 | Nonpurulent mastitis associated with lactation |
| O92 | Other disorders of breast and disorders of lactation associated with pregnancy and the puerperium |
| O92.0 | Retracted nipple associated with pregnancy, the puerperium, and lactation |
| O92.01 | Retracted nipple associated with pregnancy |
| O92.011 | Retracted nipple associated with pregnancy, first trimester |
| O92.012 | Retracted nipple associated with pregnancy, second trimester |
| O92.013 | Retracted nipple associated with pregnancy, third trimester |
| O92.019 | Retracted nipple associated with pregnancy, unspecified trimester |
| O92.02 | Retracted nipple associated with the puerperium |
| O92.03 | Retracted nipple associated with lactation |
| O92.1 | Cracked nipple associated with pregnancy, the puerperium, and lactation |
| O92.11 | Cracked nipple associated with pregnancy |
| O92.111 | Cracked nipple associated with pregnancy, first trimester |
| O92.112 | Cracked nipple associated with pregnancy, second trimester |
| O92.113 | Cracked nipple associated with pregnancy, third trimester |
| O92.119 | Cracked nipple associated with pregnancy, unspecified trimester |
| O92.12 | Cracked nipple associated with the puerperium |
| O92.13 | Cracked nipple associated with lactation |
| O92.2 | Other and unspecified disorders of breast associated with pregnancy and the puerperium |
| O92.20 | Unspecified disorder of breast associated with pregnancy and the puerperium |
| O92.29 | Other disorders of breast associated with pregnancy and the puerperium |
| O92.3 | Agalactia |
| O92.4 | Hypogalactia |
| O92.5 | Suppressed lactation |
| O92.6 | Galactorrhea |
| O92.7 | Other and unspecified disorders of lactation |
| O92.70 | Unspecified disorders of lactation |
| O92.79 | Other disorders of lactation |