| WALN | Walnut Tree, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BLWX | Walnut-Food Components, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BLW | Walnut-Food, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BLWRF | Walnut-Food, IgE, with Reflex to Walnut-Food Components, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WARSQ | Warfarin Response Genotype, Varies Mayo Clinic Laboratories in Rochester | 
      
        | WSPV | Wasp Venom, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WMEL | Watermelon, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WEED1 | Weed Panel # 1, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WEED2 | Weed Panel # 2, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WEED3 | Weed Panel # 3, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WEED4 | Weed Panel # 4, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WNVCI | West Nile CSF Interpretation Mayo Clinic Laboratories in Rochester | 
      
        | WNVSI | West Nile Serum Interpretation Mayo Clinic Laboratories in Rochester | 
      
        | WNS | West Nile Virus Antibody, IgG and IgM, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WNC | West Nile Virus Antibody, IgG and IgM, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | WNGS | West Nile Virus Antibody, IgG, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WNGC | West Nile Virus Antibody, IgG, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | WNMS | West Nile Virus Antibody, IgM, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WNMC | West Nile Virus Antibody, IgM, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | WNVAB | West Nile Virus IgM Antibody, Cerebrospinal Fluid (CSF) or Serum Montana State Laboratory, Helena | 
      
        | WNVBL | West Nile Virus, RNA, PCR, Molecular Detection, Blood Mayo Clinic Laboratories in Rochester | 
      
        | WNVUR | West Nile Virus, RNA, PCR, Molecular Detection, Random, Urine Mayo Clinic Laboratories in Rochester | 
      
        | WNVS | West Nile Virus, RNA, PCR, Molecular Detection, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WNCSF | West Nile Virus, RNA, PCR, Molecular Detection, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | WEEP | Western Equine Encephalitis Antibody, IgG and IgM, Serum Mayo Clinic Laboratories in Rochester |