ICD-10-CM > O00-O9A > O30-O48 > O43 > O43.1 > O43.12 O43.12 Velamentous insertion of umbilical cord Non-Billable/Non-Specific Codes O43.121Velamentous insertion of umbilical cord, first trimesterO43.122Velamentous insertion of umbilical cord, second trimesterO43.123Velamentous insertion of umbilical cord, third trimesterO43.129Velamentous insertion of umbilical cord, unspecified trimester