ICD-10-CM > O00-O9A > O30-O48 > O46 > O46.0 > O46.01 O46.01 Antepartum hemorrhage with afibrinogenemia Non-Billable/Non-Specific Applicable To Antepartum hemorrhage with hypofibrinogenemia Codes O46.011Antepartum hemorrhage with afibrinogenemia, first trimesterO46.012Antepartum hemorrhage with afibrinogenemia, second trimesterO46.013Antepartum hemorrhage with afibrinogenemia, third trimesterO46.019Antepartum hemorrhage with afibrinogenemia, unspecified trimester