High Quality Content by WIKIPEDIA articles! UPMC Mercy South Side Outpatient Center is a 209,000-square-foot outpatient and urgent care facility of UPMC Mercy that provides, among other services, diagnostic imaging, same-day surgery, laboratory work, and physicians offices to the residents of Pittsburgh's South Side neighborhood. In accord with stated policy, UPMC Mercy facilities will not provide medical practices and/or procedures that contradict the moral teachings of the Roman Catholic Church, which limit patient choices with regard to contraception, reproductive rights, and end of life options when compared to other UPMC facilities.