UDP-GLYCURONOSYL TRANSFERASE 1A1 TA REPEAT GENOTYPE, UGT1A1
ULTRA SENSITIVE TSH (THYROID STIMULATING HORMONE)
ULTRAQUANT(TM)
UPG III S (UROPORPHYRINOGEN III SYNTHASE)
UREA NITROGEN CLEARANCE
UREA NITROGEN, 24-HOUR, URINE
UREA NITROGEN, PLASMA / SERUM
UREA NITROGEN, RANDOM, URINE
UREA SOLUBILITY
UREA/MYCOPLASMA CULTURE
URIC ACID, 24-HOUR, URINE
URIC ACID, FLUID
URIC ACID, RANDOM, URINE
URIC ACID, SERUM
URINALYSIS, ABSORBED
URINALYSIS-ROUTINE
URINE CULTURE
URINE EOSINOPHILS
URINE HGB
URINE PH
URINE, AMYLASE
URINE, COTININE
URINE, CYTOLOGY
URINE, PROTEIN, 24 HOUR
URINE, PROTEIN/CREATINE RATIO
URINE, SODIUM, 24 HOUR
URINE, SODIUM, RANDOM
UROBILINOGEN/PORPHOBILINOGEN, QUALITATIVE
UROPORPHYRIN
UROPORPHYRINOGEN III CO-SYNTHASE
UROPORPHYRINOGEN III SYNTHASE (CO-SYNTHASE) (UPG III S), ERYTHROCYTES
UROPORPHYRINOGEN III SYNTHASE (UPG III S)
UROPORPHYRINOGEN III SYNTHASE, ERYTHROCYTES
UROVYSION (TM) FOR DETECTION OF BLADDER CANCER
URTICARIA