| UGTFZ | UDP-Glucuronosyltransferase 1A1 (UGT1A1), Full Gene Sequencing, Varies Mayo Clinic Laboratories in Rochester | 
      
        | UNIPD | Uniparental Disomy, Varies Mayo Clinic Laboratories in Rochester | 
      
        | LDHLA-UPMC | UPMC Living Donor HLA Charleston Area Medical Center, Inc. | 
      
        | PODSA-UPMC | UPMC Post Transplant DSA  Charleston Area Medical Center, Inc. | 
      
        | CYTO-UPMC | UPMC Pre-Transplant Cytotoxic Ab Charleston Area Medical Center, Inc. | 
      
        | PRHLA-UPMC | UPMC Pre-Transplant HLA Typing  Charleston Area Medical Center, Inc. | 
      
        | UN 24 U | Urea Nitrogen, 24 Hour, Urine Charleston Area Medical Center, Inc. | 
      
        | UEBF | Urea Nitrogen, Body Fluid Mayo Clinic Laboratories in Rochester | 
      
        | UN URN | Urea Nitrogen, Random Urine Charleston Area Medical Center, Inc. | 
      
        | URRP | Ureaplasma species, Molecular Detection, PCR, Varies Mayo Clinic Laboratories in Rochester | 
      
        | CLO Test | Urease test for Helicobacter pylori (CLO) Charleston Area Medical Center, Inc. | 
      
        | URIC | Uric Acid Charleston Area Medical Center, Inc. | 
      
        | Uric 24U | Uric Acid, 24 hour, Urine Charleston Area Medical Center, Inc. | 
      
        | Uric URN | Uric Acid, Urine Charleston Area Medical Center, Inc. | 
      
        | GALE | Uridine Diphosphate-Galactose 4' Epimerase, Blood Mayo Clinic Laboratories in Rochester | 
      
        | UA | Urinalysis Charleston Area Medical Center, Inc. | 
      
        | C Urine | Urine Culture Charleston Area Medical Center, Inc. | 
      
        | UrineScr | Urine Culture Screen Charleston Area Medical Center, Inc. | 
      
        | UPGD | Uroporphyrinogen Decarboxylase, Whole Blood Mayo Clinic Laboratories in Rochester |