| UL | ultrasonic; Underwriters Laboratories; undifferentiated lymphoma; upper limb; upper limit; upper lobe |
|---|---|
| ULBW | ultralow birth weight |
| ULDH | urinary lactate dehydrogenase |
| ULLE | upper lid of left eye |
| ULN | upper limits of normal |
| uln | ulna, ulnar |
| ULP | ultra low profile |
| ULPA | ultra low penetration air filter |
| ULPE | upper lobe pulmonary edema |
| ULQ | Upper Left Quadrant; 좌측상부 4분의 1 |