ICD-10-CM > O00-O9A > O30-O48 > O34 > O34.5 > O34.53 O34.53 Maternal care for retroversion of gravid uterus Non-Billable/Non-Specific Codes O34.531Maternal care for retroversion of gravid uterus, first trimesterO34.532Maternal care for retroversion of gravid uterus, second trimesterO34.533Maternal care for retroversion of gravid uterus, third trimesterO34.539Maternal care for retroversion of gravid uterus, unspecified trimester