ICD-10-CM > O00-O9A > O60-O77 > O73 O73 Retained placenta and membranes, without hemorrhage Non-Billable/Non-Specific Type 1 Excludes placenta accreta (O43.21-)placenta increta (O43.22-)placenta percreta (O43.23-) Codes O73.0Retained placenta without hemorrhageO73.1Retained portions of placenta and membranes, without hemorrhage