Glossary # | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z U UltrasoundUncompensated Care UnderinsuredUnique Device Identifier (UDI)Unit Dose Packaging SystemUnmet Medical NeedsUrgent Care Urgent care facilityUrinalysis UrologyUsual, Customary, and Reasonable ChargesUtilization Review