O22.5 Cerebral venous thrombosis in pregnancyNon-billable header with 4 child codes.
O22.50 Cerebral venous thrombosis in pregnancy, unspecified trimesterO22.51 Cerebral venous thrombosis in pregnancy, first trimesterO22.52 Cerebral venous thrombosis in pregnancy, second trimesterO22.53 Cerebral venous thrombosis in pregnancy, third trimesterG08 Intracranial and intraspinal phlebitis and thrombophlebitis ("pregnancy, childbirth and the puerperium (O22.5, O87.3)")I80 Phlebitis and thrombophlebitis ("phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (O22.-, O87.-)")I82 Other venous embolism and thrombosis ("pregnancy, childbirth and the puerperium (O22.-, O87.-)")O87 Venous complications and hemorrhoids in the puerperium ("venous complications in pregnancy (O22.-)")O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium ("venous complications and cerebrovenous sinus thrombosis in pregnancy (O22.-)")O22.4 Hemorrhoids in pregnancyO22.40 Hemorrhoids in pregnancy, unspecified trimesterO22.41 Hemorrhoids in pregnancy, first trimesterO22.42 Hemorrhoids in pregnancy, second trimesterO22.43 Hemorrhoids in pregnancy, third trimesterO22.5 Cerebral venous thrombosis in pregnancy (this code)O22.50 Cerebral venous thrombosis in pregnancy, unspecified trimesterO22.51 Cerebral venous thrombosis in pregnancy, first trimesterO22.52 Cerebral venous thrombosis in pregnancy, second trimesterO22.53 Cerebral venous thrombosis in pregnancy, third trimesterO22.8 Other venous complications in pregnancy