| UCE | urea cycle enzymopathy |
|---|---|
| UCL | ulnar collateral ligament; upper collateral ligament; upper confidence limit; upper control limit; u... |
| UFFI | urea formaldehyde foam insulation |
| UKM | urea kinetic modeling |
| UN | ulnar nerve; undernourished; unilateral neglect; urea nitrogen; urinary nitrogen |
| UNA | Urea nitrogen appearance |
|---|---|
| UUN | Urinary urea nitrogen |
| BUN | urea nitrogen |