| BNZU | Benzodiazepines Confirmation, Random, Urine Mayo Clinic Laboratories in Rochester | 
      
        | BBEET | Berlin Beetle, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BERG | Bermuda Grass, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BETV2 | BET v2 (Profilin), IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WBSEQ | Beta Globin Gene Sequencing, Varies Mayo Clinic Laboratories in Rochester | 
      
        | HCGQ | Beta hCG, Quantitative, Plasma or Serum Munson Medical Center Laboratories | 
      
        | AB2GP | Beta-2 Glycoprotein 1 Antibodies, IgA, Serum Mayo Clinic Laboratories in Rochester | 
      
        | B2GMG | Beta-2 Glycoprotein 1 Antibodies, IgG and IgM, Serum Mayo Clinic Laboratories in Rochester | 
      
        | GB2GP | Beta-2 Glycoprotein 1 Antibodies, IgG, Serum Mayo Clinic Laboratories in Rochester | 
      
        | MB2GP | Beta-2 Glycoprotein 1 Antibodies, IgM, Serum Mayo Clinic Laboratories in Rochester | 
      
        | B2MU | Beta-2 Microglobulin, Random, Urine Mayo Clinic Laboratories in Rochester | 
      
        | B2MC | Beta-2-Microglobulin (Beta-2-M), Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | B2M | Beta-2-Microglobulin, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BAMY | Beta-Amyloid Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester | 
      
        | 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 | 
      
        | CTX | 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 | 
      
        | BHCG | Beta-Human Chorionic Gonadotropin, Quantitative, Serum Mayo Clinic Laboratories in Rochester |