O46 - Antepartum hemorrhage, not elsewhere classified
O46.8 - Other antepartum hemorrhage
O46.8X - Other antepartum hemorrhage
O46.8X1 - Other antepartum hemorrhage, first trimester
O46.8X2 - Other antepartum hemorrhage, second trimester
O46.8X3 - Other antepartum hemorrhage, third trimester
O46.8X9 - Other antepartum hemorrhage, unspecified trimester