| AMYR | Beta-Amyloid Ratio (1-42/1-40), Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | BCATN | Beta-Catenin Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester | 
      
        | Z0101 | Beta-CrossLaps, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BGA | Beta-Galactosidase, Leukocytes Mayo Clinic Laboratories in Rochester | 
      
        | WBGDR | Beta-Globin Gene Cluster Deletion/Duplication, Blood Mayo Clinic Laboratories in Rochester | 
      
        | WBGDD | Beta-Globin Gene Cluster, Deletion/Duplication, Varies Mayo Clinic Laboratories in Rochester | 
      
        | WBSQR | Beta-Globin Gene Sequencing, Blood Mayo Clinic Laboratories in Rochester | 
      
        | GBAW | Beta-Glucosidase, Leukocytes Mayo Clinic Laboratories in Rochester | 
      
        | GUSBB | Beta-Glucuronidase, Blood Spot Mayo Clinic Laboratories in Rochester | 
      
        | GUSBW | Beta-Glucuronidase, Leukocytes Mayo Clinic Laboratories in Rochester | 
      
        | Z0025 | Beta-Human Chorionic Gonadotropin, Quantitative, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BHSF | Beta-Human Chorionic Gonadotropin, Quantitative, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | BHB | Beta-Hydroxybutyrate Holland Hospital Laboratory Services | 
      
        | BHYD | Beta-Hydroxybutyrate, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BTP | Beta-Trace Protein, Body Fluid Mayo Clinic Laboratories in Rochester | 
      
        | BAPS | Bile Acid Profile, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BAIPD | Bile Acids for Peroxisomal Disorders, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BAMRP | Bile Acids Malabsorption Panel, Serum and Feces Mayo Clinic Laboratories in Rochester | 
      
        | BA48F | Bile Acids, Bowel Dysfunction, 48 Hour, Feces Mayo Clinic Laboratories in Rochester | 
      
        | BAFS | Bile Acids, Fractionated and Total, Serum Mayo Clinic Laboratories in Rochester | 
      
        | ZG320 | Bile Acids, Total, Serum Mayo Clinic Laboratories in Rochester | 
      
        | FBILM | Biliary Tract Malignancy-Cytology, FISH, Varies Mayo Clinic Laboratories in Rochester | 
      
        | BILAO | Biliary Tract Malignancy, FISH, Varies Mayo Clinic Laboratories in Rochester | 
      
        | BFBL | Bilirubin, Body Fluid Mayo Clinic Laboratories in Rochester | 
      
        | BILID | Bilirubin, Direct, Plasma or Serum Holland Hospital Laboratory Services |