Lab Test Directory—Saint Luke's Regional Laboratories
| TYSABRI | Tysabri (Natalizumab) Antibody |
| REF MISC | UGT1A1 Irinotecan Toxicity |
| REF MISC | Universal PCR |
| BUN | Urea Nitrogen (BUN), Serum or Plasma |
| REF MISC | Ureaplasma/Mycoplasma hominis Culture |
| URIC U 24 | Uric Acid, 24 Hour, Urine |
| URIC U | Uric Acid, Random, Urine |
| URIC RASBU | Uric Acid, Rasburicase |
| URIC | Uric Acid, Serum or Plasma |
| UA REFLEX | Urinalysis, Routine, Random Urine (With Reflex to Microscopic and C URINE if Indicated) |