ICD-10-CM > O00-O9A > O60-O77 > O71 > O71.0 O71.0 Rupture of uterus (spontaneous) before onset of labor Non-Billable/Non-Specific Type 1 Excludes disruption of (current) cesarean delivery wound (O90.0)laceration of uterus, NEC (O71.81) Codes O71.00Rupture of uterus before onset of labor, unspecified trimesterO71.02Rupture of uterus before onset of labor, second trimesterO71.03Rupture of uterus before onset of labor, third trimester