| UCL | ulnar collateral ligament; upper collateral ligament; upper confidence limit; upper control limit; u... |
|---|---|
| UL | ultrasonic; Underwriters Laboratories; undifferentiated lymphoma; upper limb; upper limit; upper lob... |
| AUGH | acute upper gastrointestinal hemorrhage |
| UGI | upper gastrointestinal [tract] |
| UGIH | upper gastrointestinal hemorrhage |