ICD-10-CM > O00-O9A > O30-O48 > O34 > O34.5 > O34.52 O34.52 Maternal care for prolapse of gravid uterus Non-Billable/Non-Specific Codes O34.521Maternal care for prolapse of gravid uterus, first trimesterO34.522Maternal care for prolapse of gravid uterus, second trimesterO34.523Maternal care for prolapse of gravid uterus, third trimesterO34.529Maternal care for prolapse of gravid uterus, unspecified trimester