O26.8 - Other specified pregnancy related conditions
O26.85 - Spotting complicating pregnancy
O26.851 - Spotting complicating pregnancy, first trimester
O26.852 - Spotting complicating pregnancy, second trimester
O26.853 - Spotting complicating pregnancy, third trimester
O26.859 - Spotting complicating pregnancy, unspecified trimester