| O80 | Encounter for full-term uncomplicated delivery |
| O82 | Encounter for cesarean delivery without indication |
| O85 | Puerperal sepsis |
| O86 | Other puerperal infections |
| O860 | Infection of obstetric surgical wound |
| O8600 | Infection of obstetric surgical wound, unspecified |
| O8601 | Infection of obstetric surgical wound, superficial incisional site |
| O8602 | Infection of obstetric surgical wound, deep incisional site |
| O8603 | Infection of obstetric surgical wound, organ and space site |
| O8604 | Sepsis following an obstetrical procedure |
| O8609 | Infection of obstetric surgical wound, other surgical site |
| O861 | Other infection of genital tract following delivery |
| O8611 | Cervicitis following delivery |
| O8612 | Endometritis following delivery |
| O8613 | Vaginitis following delivery |
| O8619 | Other infection of genital tract following delivery |
| O862 | Urinary tract infection following delivery |
| O8620 | Urinary tract infection following delivery, unspecified |
| O8621 | Infection of kidney following delivery |
| O8622 | Infection of bladder following delivery |
| O8629 | Other urinary tract infection following delivery |
| O864 | Pyrexia of unknown origin following delivery |
| O868 | Other specified puerperal infections |
| O8681 | Puerperal septic thrombophlebitis |
| O8689 | Other specified puerperal infections |
| O87 | Venous complications and hemorrhoids in the puerperium |
| O870 | Superficial thrombophlebitis in the puerperium |
| O871 | Deep phlebothrombosis in the puerperium |
| O872 | Hemorrhoids in the puerperium |
| O873 | Cerebral venous thrombosis in the puerperium |
| O874 | Varicose veins of lower extremity in the puerperium |
| O878 | Other venous complications in the puerperium |
| O879 | Venous complication in the puerperium, unspecified |
| O88 | Obstetric embolism |
| O880 | Obstetric air embolism |
| O8801 | Obstetric air embolism in pregnancy |
| O88011 | Air embolism in pregnancy, first trimester |
| O88012 | Air embolism in pregnancy, second trimester |
| O88013 | Air embolism in pregnancy, third trimester |
| O88019 | Air embolism in pregnancy, unspecified trimester |
| O8802 | Air embolism in childbirth |
| O8803 | Air embolism in the puerperium |
| O881 | Amniotic fluid embolism |
| O8811 | Amniotic fluid embolism in pregnancy |
| O88111 | Amniotic fluid embolism in pregnancy, first trimester |
| O88112 | Amniotic fluid embolism in pregnancy, second trimester |
| O88113 | Amniotic fluid embolism in pregnancy, third trimester |
| O88119 | Amniotic fluid embolism in pregnancy, unspecified trimester |
| O8812 | Amniotic fluid embolism in childbirth |
| O8813 | Amniotic fluid embolism in the puerperium |