ICD-10-CM > O00-O9A > O30-O48 > O34 > O34.2 > O34.21 O34.21 Maternal care for scar from previous cesarean delivery Non-Billable/Non-Specific Codes O34.211Maternal care for low transverse scar from previous cesarean deliveryO34.212Maternal care for vertical scar from previous cesarean deliveryO34.218Maternal care for other type scar from previous cesarean deliveryO34.219Maternal care for unspecified type scar from previous cesarean delivery