| O80 | Encounter for full-term uncomplicated delivery |
| O82 | Encounter for cesarean delivery without indication |
| O85 | Puerperal sepsis |
| O86 | Other puerperal infections |
| O86.0 | Infection of obstetric surgical wound |
| O86.00 | Infection of obstetric surgical wound, unspecified |
| O86.01 | Infection of obstetric surgical wound, superficial incisional site |
| O86.02 | Infection of obstetric surgical wound, deep incisional site |
| O86.03 | Infection of obstetric surgical wound, organ and space site |
| O86.04 | Sepsis following an obstetrical procedure |
| O86.09 | Infection of obstetric surgical wound, other surgical site |
| 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 |