| O22 | Venous complications and hemorrhoids in pregnancy | NON-BILLABLE CODE |
| O22.0 | Varicose veins of lower extremity in pregnancy | NON-BILLABLE CODE |
| O22.01 | Varicose veins of lower extremity in pregnancy, first trimester | BILLABLE CODE |
| O22.02 | Varicose veins of lower extremity in pregnancy, second trimester | BILLABLE CODE |
| O22.03 | Varicose veins of lower extremity in pregnancy, third trimester | BILLABLE CODE |
| O22.1 | Genital varices in pregnancy | NON-BILLABLE CODE |
| O22.10 | Genital varices in pregnancy, unspecified trimester | BILLABLE CODE |
| O22.11 | Genital varices in pregnancy, first trimester | BILLABLE CODE |
| O22.12 | Genital varices in pregnancy, second trimester | BILLABLE CODE |
| O22.13 | Genital varices in pregnancy, third trimester | BILLABLE CODE |
| O22.2 | Superficial thrombophlebitis in pregnancy | NON-BILLABLE CODE |
| O22.20 | Superficial thrombophlebitis in pregnancy, unspecified trimester | BILLABLE CODE |
| O22.21 | Superficial thrombophlebitis in pregnancy, first trimester | BILLABLE CODE |
| O22.22 | Superficial thrombophlebitis in pregnancy, second trimester | BILLABLE CODE |
| O22.23 | Superficial thrombophlebitis in pregnancy, third trimester | BILLABLE CODE |
| O22.3 | Deep phlebothrombosis in pregnancy | NON-BILLABLE CODE |
| O22.30 | Deep phlebothrombosis in pregnancy, unspecified trimester | BILLABLE CODE |
| O22.31 | Deep phlebothrombosis in pregnancy, first trimester | BILLABLE CODE |
| O22.32 | Deep phlebothrombosis in pregnancy, second trimester | BILLABLE CODE |
| O22.33 | Deep phlebothrombosis in pregnancy, third trimester | BILLABLE CODE |
| O22.4 | Hemorrhoids in pregnancy | NON-BILLABLE CODE |
| O22.40 | Hemorrhoids in pregnancy, unspecified trimester | BILLABLE CODE |
| O22.41 | Hemorrhoids in pregnancy, first trimester | BILLABLE CODE |
| O22.42 | Hemorrhoids in pregnancy, second trimester | BILLABLE CODE |
| O22.43 | Hemorrhoids in pregnancy, third trimester | BILLABLE CODE |
| O22.5 | Cerebral venous thrombosis in pregnancy | NON-BILLABLE CODE |
| O22.50 | Cerebral venous thrombosis in pregnancy, unspecified trimester | BILLABLE CODE |
| O22.51 | Cerebral venous thrombosis in pregnancy, first trimester | BILLABLE CODE |
| O22.52 | Cerebral venous thrombosis in pregnancy, second trimester | BILLABLE CODE |
| O22.53 | Cerebral venous thrombosis in pregnancy, third trimester | BILLABLE CODE |
| O22.8 | Other venous complications in pregnancy | NON-BILLABLE CODE |
| O22.8X | Other venous complications in pregnancy | NON-BILLABLE CODE |
| O22.8X1 | Other venous complications in pregnancy, first trimester | BILLABLE CODE |
| O22.8X2 | Other venous complications in pregnancy, second trimester | BILLABLE CODE |
| O22.8X3 | Other venous complications in pregnancy, third trimester | BILLABLE CODE |
| O22.8X9 | Other venous complications in pregnancy, unspecified trimester | BILLABLE CODE |
| O22.9 | Venous complication in pregnancy, unspecified | NON-BILLABLE CODE |
| O22.90 | Venous complication in pregnancy, unspecified, unspecified trimester | BILLABLE CODE |
| O22.91 | Venous complication in pregnancy, unspecified, first trimester | BILLABLE CODE |
| O22.92 | Venous complication in pregnancy, unspecified, second trimester | BILLABLE CODE |
| O22.93 | Venous complication in pregnancy, unspecified, third trimester | BILLABLE CODE |
