| BUI | brain uptake index |
|---|---|
| BULIT | bulimia test |
| BULL | buccal or upper lingual of lower |
| BuMed | Bureau of Medicine and Surgery |
| BUMP | behavioral regression or upset in hospitalized medical patients [scale] |
| BUN | Blood Urea Nitrogen; 혈액(중) 요소 질소 |
| BUN | blood urea nitrogen |
| bun | br bundle branch |
| BUN/CR | blood urea nitrogen/creatine ratio |
| BUO | bleeding of undetermined origin, bruising of undetermined origin |