ICD-10-CM > O00-O9A > O30-O48 > O44 > O44.0 O44.0 Complete placenta previa NOS or without hemorrhage Non-Billable/Non-Specific Applicable To Placenta previa NOS Codes O44.00Complete placenta previa NOS or without hemorrhage, unspecified trimesterO44.01Complete placenta previa NOS or without hemorrhage, first trimesterO44.02Complete placenta previa NOS or without hemorrhage, second trimesterO44.03Complete placenta previa NOS or without hemorrhage, third trimester