| BLWX | Walnut-Food Components, 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 | 
      
        | WNVCI | West Nile CSF Interpretation Mayo Clinic Laboratories in Rochester | 
      
        | WNVSI | West Nile Serum Interpretation Mayo Clinic Laboratories in Rochester | 
      
        | ZG204 | West Nile Virus Antibody, IgG and IgM, Serum Mayo Clinic Laboratories in Rochester | 
      
        | ZG205 | 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 | 
      
        | 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 | 
      
        | WBCWD | White Blood Cell (WBC) Count with Differential, Blood Holland Hospital Laboratory Services | 
      
        | WBCIR | White Blood Cell (WBC) Count, Blood Holland Hospital Laboratory Services | 
      
        | SC018 | Whole Blood Mayo Clinic Laboratories in Rochester | 
      
        | WEGG | Whole Egg, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WESMT | Whole Exome and Mitochondrial Genome Sequencing, Varies Mayo Clinic Laboratories in Rochester | 
      
        | WESDX | Whole Exome Sequencing for Hereditary Disorders, Varies Mayo Clinic Laboratories in Rochester | 
      
        | WESR | Whole Exome Sequencing Reanalysis, Varies Mayo Clinic Laboratories in Rochester | 
      
        | WT1I | Wilms Tumor (WT-1) Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester | 
      
        | WNDZ | Wilson Disease, ATP7B Full Gene Sequencing with Deletion/Duplication, Varies Mayo Clinic Laboratories in Rochester |