O29 - Complications of anesthesia during pregnancy
O29.5 - Other complications of spinal and epidural anesthesia during pregnancy
O29.5X - Other complications of spinal and epidural anesthesia during pregnancy
O29.5X1 - Other complications of spinal and epidural anesthesia during pregnancy, first trimester
O29.5X2 - Other complications of spinal and epidural anesthesia during pregnancy, second trimester
O29.5X3 - Other complications of spinal and epidural anesthesia during pregnancy, third trimester
O29.5X9 - Other complications of spinal and epidural anesthesia during pregnancy, unspecified trimester