ICD-10-CM > O00-O9A > O30-O48 > O46 > O46.8 O46.8 Other antepartum hemorrhage Non-Billable/Non-Specific Codes O46.8XOther antepartum hemorrhageO46.8X1Other antepartum hemorrhage, first trimesterO46.8X2Other antepartum hemorrhage, second trimesterO46.8X3Other antepartum hemorrhage, third trimesterO46.8X9Other antepartum hemorrhage, unspecified trimester