| CTNBT | B-Catenin Mutation Analysis, Next-Generation Sequencing, Tumor Mayo Clinic Laboratories in Rochester | 
      
        | BALAF | B-Cell Acute Lymphoblastic Leukemia/Lymphoma (ALL), FISH, Adult, Varies Mayo Clinic Laboratories in Rochester | 
      
        | BALMF | B-Cell Acute Lymphoblastic Leukemia/Lymphoma (ALL), Specified FISH, Varies Mayo Clinic Laboratories in Rochester | 
      
        | BCELL | B-Cell and Antibody Deficiency Gene Panel, Varies Mayo Clinic Laboratories in Rochester | 
      
        | BALLM | B-Cell Lymphoblastic Leukemia Monitoring, Minimal Residual Disease Detection, Flow Cytometry, Varies Mayo Clinic Laboratories in Rochester | 
      
        | BLBLF | B-Cell Lymphoblastic Leukemia/Lymphoma, FISH, Tissue Mayo Clinic Laboratories in Rochester | 
      
        | BLPMF | B-Cell Lymphoma, Specified FISH, Varies Mayo Clinic Laboratories in Rochester | 
      
        | PHLFD | B-Lymphoblastic Leukemia/Lymphoma with BCR::ABL1-like Features Panel, FISH, Varies Mayo Clinic Laboratories in Rochester | 
      
        | BABPB | Babesia species, Molecular Detection, PCR, Blood Mayo Clinic Laboratories in Rochester | 
      
        | ANAE | Bacterial Culture, Anaerobic, Varies Mayo Clinic Laboratories in Rochester | 
      
        | BVRNA | Bacterial Vaginosis, Nucleic Acid Amplification, Vaginal Mayo Clinic Laboratories in Rochester | 
      
        | BYST | Baker's Yeast, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BANA | Banana, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BAP1Z | BAP1-Tumor Predisposition Syndrome, BAP1 Full Gene Analysis, Varies Mayo Clinic Laboratories in Rochester | 
      
        | BARBU | Barbiturates Confirmation, Random, Urine Mayo Clinic Laboratories in Rochester | 
      
        | BARU | Barbiturates Drug Screen Urine FMH Laboratory | 
      
        | BRLY | Barley, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BART | Bartonella Antibody Panel, IgG and IgM, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BARTB | Bartonella, Molecular Detection, PCR, Blood Mayo Clinic Laboratories in Rochester | 
      
        | RBART | Bartter Syndrome Gene Panel, Varies Mayo Clinic Laboratories in Rochester | 
      
        | BMP | Basic Metabolic Panel FMH Laboratory | 
      
        | BAYL | Bay Leaf, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BADX | BCR/ABL1, Qualitative, Diagnostic Assay, Varies Mayo Clinic Laboratories in Rochester | 
      
        | BEEF | Beef, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | BEETS | Beets (Beetroot), IgE, Serum Mayo Clinic Laboratories in Rochester |