| O882 | Obstetric thromboembolism |
| O8821 | Thromboembolism in pregnancy |
| O88211 | Thromboembolism in pregnancy, first trimester |
| O88212 | Thromboembolism in pregnancy, second trimester |
| O88213 | Thromboembolism in pregnancy, third trimester |
| O88219 | Thromboembolism in pregnancy, unspecified trimester |
| O8822 | Thromboembolism in childbirth |
| O8823 | Thromboembolism in the puerperium |
| O883 | Obstetric pyemic and septic embolism |
| O8831 | Pyemic and septic embolism in pregnancy |
| O88311 | Pyemic and septic embolism in pregnancy, first trimester |
| O88312 | Pyemic and septic embolism in pregnancy, second trimester |
| O88313 | Pyemic and septic embolism in pregnancy, third trimester |
| O88319 | Pyemic and septic embolism in pregnancy, unspecified trimester |
| O8832 | Pyemic and septic embolism in childbirth |
| O8833 | Pyemic and septic embolism in the puerperium |
| O888 | Other obstetric embolism |
| O8881 | Other embolism in pregnancy |
| O88811 | Other embolism in pregnancy, first trimester |
| O88812 | Other embolism in pregnancy, second trimester |
| O88813 | Other embolism in pregnancy, third trimester |
| O88819 | Other embolism in pregnancy, unspecified trimester |
| O8882 | Other embolism in childbirth |
| O8883 | Other embolism in the puerperium |
| O89 | Complications of anesthesia during the puerperium |
| O890 | Pulmonary complications of anesthesia during the puerperium |
| O8901 | Aspiration pneumonitis due to anesthesia during the puerperium |
| O8909 | Other pulmonary complications of anesthesia during the puerperium |
| O891 | Cardiac complications of anesthesia during the puerperium |
| O892 | Central nervous system complications of anesthesia during the puerperium |
| O893 | Toxic reaction to local anesthesia during the puerperium |
| O894 | Spinal and epidur anesthesia-induced hdache during the puerp Spinal and epidural anesthesia-induced headache during the puerperium |
| O895 | Oth comp of spinal and epidural anesth during the puerperium Other complications of spinal and epidural anesthesia during the puerperium |
| O896 | Failed or difficult intubation for anesthesia during the puerperium |
| O898 | Other complications of anesthesia during the puerperium |
| O899 | Complication of anesthesia during the puerperium, unspecified |
| O90 | Complications of the puerperium, not elsewhere classified |
| O900 | Disruption of cesarean delivery wound |
| O901 | Disruption of perineal obstetric wound |
| O902 | Hematoma of obstetric wound |
| O903 | Peripartum cardiomyopathy |
| O904 | Postpartum acute kidney failure |
| O9041 | Hepatorenal syndrome following labor and delivery |
| O9049 | Other postpartum acute kidney failure |
| O905 | Postpartum thyroiditis |
| O906 | Postpartum mood disturbance |
| O908 | Other complications of the puerperium, not elsewhere classified |
| O9081 | Anemia of the puerperium |
| O9089 | Other complications of the puerperium, not elsewhere classified |
| O909 | Complication of the puerperium, unspecified |