B-Catenin Mutation Analysis, Next-Generation Sequencing, Tumor
B-Cell Acute Lymphoblastic Leukemia/Lymphoma (ALL), Children's Oncology Group Enrollment Testing, FISH, Varies
B-Cell Acute Lymphoblastic Leukemia/Lymphoma (ALL), FISH, Adult, Varies
B-Cell Acute Lymphoblastic Leukemia/Lymphoma (ALL), Specified FISH, Varies
B-Cell and Antibody Deficiency Gene Panel, Varies
B-Cell CD40 Expression by Flow Cytometry, Blood
B-Cell Lymphoblastic Leukemia Monitoring, Measurable/Minimal Residual Disease Detection, Flow Cytometry, Varies
B-Cell Lymphoblastic Leukemia/Lymphoma, FISH, Tissue
B-Cell Lymphoma, FISH, Tissue
B-Cell Lymphoma, Specified FISH, Varies
B-Cell Phenotyping Profile for Immunodeficiency and Immune Competence Assessment, Blood
B-Lymphoblastic Leukemia/Lymphoma with BCR::ABL1-like Features Panel, FISH, Varies
B-Type Natriuretic Peptide, Plasma
Babesia microti IgG Antibodies, Serum
Babesia species, Molecular Detection, PCR, Blood
Baclofen, Serum
Bacteria, Virus, Fungus, and Parasite Metagenomic Sequencing, Spinal Fluid
Bacterial Culture, Aerobic, with Antimicrobial Susceptibilities, Urine
Bacterial Culture, Anaerobic with Antimicrobial Susceptibilities, Varies
Bacterial Culture, Anaerobic, Varies
Bacterial Culture, Cystic Fibrosis with Antimicrobial Susceptibilities, Varies
Bacterial Culture, Cystic Fibrosis, Respiratory
Bacterial Typing, Whole Genome Sequencing, Varies
Bacterial Vaginosis, Nucleic Acid Amplification, Vaginal
Bahia Grass, IgE, Serum
Baker's Yeast, IgE, Serum
Bald Cypress, IgE, Serum
Bamboo Shoot, IgE, Serum
Banana IgG
Banana, IgE, Serum
BAP1 Immunostain, Technical Component Only
BAP1-Tumor Predisposition Syndrome, BAP1 Full Gene Analysis, Varies
Barbiturates Confirmation, Chain of Custody, Random, Urine
Barbiturates Confirmation, Random, Urine
Barbiturates Confirmation, Serum
Barbiturates, Umbilical Cord Tissue
Barium, Serum
Barley Grass, IgE, Serum
Barley IgG
Barley, IgE, Serum
Bartonella Antibody Panel, IFA CSF
Bartonella Antibody Panel, IgG and IgM, Serum
Bartonella, Molecular Detection, PCR, Blood
Bartonella, Molecular Detection, PCR, Varies
Bartter Syndrome Gene Panel, Varies
Basic Metabolic Panel, Serum
Basil IgG
Basil, IgE, Serum
Bass Black (Sea Bass) (Centropristis striata) IgE
Bay Leaf, IgE, Serum
Bayberry/Wax Myrtle (Myrica spp) IgE
BCL-2 Immunostain, Technical Component Only
BCL-6 Immunostain, Technical Component Only
BCOR Immunostain, Technical Component Only
BCR/ABL1 Qualitative Diagnostic Assay with Reflex to BCR/ABL1 p190 Quantitative Assay or BCR/ABL1 p210 Quantitative Assay, Varies
BCR/ABL1, p190, mRNA Detection, Reverse Transcription-PCR (RT-PCR), Quantitative, Monitoring Assay, Varies
BCR/ABL1, p190, mRNA Detection, Reverse Transcription-PCR (RT-PCR), Quantitative, Reflex, Varies
BCR/ABL1, p210, mRNA Detection, Reverse Transcription-PCR (RT-PCR), Quantitative, Monitoring Chronic Myeloid Leukemia (CML), Varies
BCR/ABL1, p210, mRNA Detection, Reverse Transcription-PCR (RT-PCR), Quantitative, Reflex, Varies
BCR/ABL1, Qualitative, Diagnostic Assay, Varies
BCR/ABL1, Tyrosine Kinase Inhibitor Resistance, Kinase Domain Mutation Screen, Sanger Sequencing, Varies
Bean Black (Phaseolus spp) IgE
Bean Green/String IgG
Bean Kidney IgG
Bean Lima (Phaseolus limensis) IgE
Bean Navy/White (Phaseolus vulgaris) IgE
Bean Navy/White IgG
Beckwith-Wiedemann Syndrome/Russell-Silver Syndrome, Molecular Analysis, Varies
Beech, IgE, Serum
Beef IgG
Beef, IgE, Serum
Beet Root IgG
Beets (Beetroot), IgE, Serum
Benzene as Phenol, Occupational Exposure, Urine
Benzene, Occupational Exposure, Blood
Benzodiazepine Confirmation, Urine
Benzodiazepines Confirmation, Chain of Custody, Random, Urine
Benzodiazepines Confirmation, Random, Urine
Benzodiazepines, Umbilical Cord Tissue
Benztropine (Cogentin), Serum
Berlin Beetle, IgE, Serum
Bermuda Grass, IgE, Serum
Beryllium, Blood
BET v2 (Profilin), IgE, Serum
Beta Globin Gene Sequencing, Varies
Beta Lactoglobulin IgG
Beta-2 Glycoprotein 1 Antibodies, IgA, Serum
Beta-2 Glycoprotein 1 Antibodies, IgG and IgM, Serum
Beta-2 Glycoprotein 1 Antibodies, IgG, Serum
Beta-2 Glycoprotein 1 Antibodies, IgM, Serum
Beta-2 Microglobulin, Random, Urine
Beta-2-Microglobulin (Beta-2-M), Spinal Fluid
Beta-2-Microglobulin, Serum
Beta-Amyloid Immunostain, Technical Component Only
Beta-Amyloid Ratio (1-42/1-40), Spinal Fluid
Beta-Catenin Immunostain, Technical Component Only
Beta-CrossLaps, Serum
Beta-Galactosidase, Leukocytes
Beta-Globin Gene Cluster Deletion/Duplication, Blood
Beta-Globin Gene Cluster, Deletion/Duplication, Varies
Beta-Globin Gene Sequencing, Blood
Beta-Glucosidase, Leukocytes
Beta-Glucuronidase, Blood Spot
Beta-Glucuronidase, Leukocytes
Beta-Human Chorionic Gonadotropin, Quantitative, Serum
Beta-Human Chorionic Gonadotropin, Quantitative, Spinal Fluid
Beta-Hydroxybutyrate, Serum
Beta-Lactoglobulin, IgE, Serum
Beta-Trace Protein, Body Fluid
Bicarbonate, Serum
Bicarbonate, Urine
Bile Acid Profile, Serum
Bile Acids for Peroxisomal Disorders, Serum
Bile Acids Malabsorption Panel, Serum and Feces
Bile Acids, Bowel Dysfunction, 48 Hour, Feces
Bile Acids, Fractionated and Total, Serum
Bile Acids, Total, Serum
Bile Acids, Urine
Biliary Tract Malignancy, FISH, Varies
Biliary Tract Malignancy-Cytology, FISH, Varies
Bilirubin, Body Fluid
Bilirubin, Direct, Serum
Bilirubin, Serum
Bilirubin, Total, Serum
Biotin, Serum
Biotinidase Deficiency, BTD Gene Sequencing with Deletion/Duplication, Varies
Biotinidase, Serum
Bird Fancier's Precipitin Panel I
Birt-Hogg-Dube Syndrome, FLCN, Full Gene Analysis, Varies
Bismuth, Blood
Bivalirudin, Ecarin, Plasma
BK Virus DNA Detection and Quantification, Plasma
BK Virus DNA Detection and Quantification, Random, Urine
Black/White Pepper, IgE, Serum
Blackberry, IgE, Serum
Blastomyces Antibody Immunodiffusion, Serum
Blastomyces Antibody Immunodiffusion, Spinal Fluid
Blastomyces Antibody, Enzyme Immunoassay, Serum
Bleeding Diathesis Profile, Limited, Plasma
Bleeding Disorders, Comprehensive Gene Panel, Next-Generation Sequencing, Varies
Bleeding Disorders, Focused Gene Panel, Next-Generation Sequencing, Varies
Blomia tropicalis, IgE, Serum
Blood Urea Nitrogen (BUN), Serum
Blood Worm, IgE, Serum
Blue Mussel, IgE, Serum
Blueberry IgG
Blueberry, IgE, Serum
BOB-1 Immunostain, Technical Component Only
Bone Alkaline Phosphatase, Serum
Bone Histomorphometry, Consultant Interpretation, Slides Only
Bone Histomorphometry, Gross Microscopic Exam
Bone Marrow Aspirate (Bill Only)
Bone Marrow Biopsy (Bill Only)
Bone Marrow Clot (Bill Only)
Bordetella pertussis and Bordetella parapertussis, Molecular Detection, PCR, Varies
Bordetella pertussis Antibody, IgG, Serum
Boron, Serum/Plasma
Borrelia miyamotoi Detection PCR, Spinal Fluid
Borrelia miyamotoi Detection, PCR, Blood
Botrytis cinerea, IgE, Serum
Bovine Serum Albumin, IgE, Serum
Box Elder/Maple, IgE, Serum
Brachyury Immunostain, Technical Component Only
BRAF and KIT Mutation Analysis, Next-Generation Sequencing, Tumor
BRAF V600E Immunostain, Technical Component Only
BRAF V600E/V600K Somatic Mutation Analysis, Tumor
Branched-Chain Amino Acids, Self-Collect, Blood Spot
Brazil Nut Component rBer e 1
Brazil Nut Component, IgE, Serum
Brazil Nut, IgE with Reflex to Brazil Nut Component, IgE, Serum
Brazil Nut, IgE, Serum
BRCA1/2 Mutation Analysis, Next-Generation Sequencing, Tumor
BRCA1/BRCA2 Genes, Full Gene Analysis, Varies
Breast Carcinoma-Associated Antigen, Serum
BRG1 (SMARCA4) Immunostain, Technical Component Only
Brivaracetam, Plasma
Broad Range Bacterial PCR and Sequencing, Varies
Broccoli IgG
Broccoli, IgE, Serum
Brome Grass, IgE, Serum
Bromine - Total, Blood
Brucella Antibody Screen, IgM and IgG, ELISA, Serum
Brucella Total Antibody Confirmation, Agglutination, Serum
Brugada Syndrome, SCN5A Full Gene Analysis, Varies
Brussels Sprouts, IgE, Serum
Bruton Tyrosine Kinase, BTK Full Gene Analysis, Varies
Bruton Tyrosine Kinase, Protein Expression, Flow Cytometry, Blood
Buckwheat, IgE, Serum
Budgerigar Droppings, IgE, Serum
Budgerigar Feathers, IgE, Serum
Bullous Pemphigoid, BP180 and BP230, IgG Antibodies, Serum
Bupivacaine (Marcaine)
Buprenorphine and Norbuprenorphine, Chain of Custody, Random, Urine
Buprenorphine and Norbuprenorphine, Random, Urine
Buprenorphine Screen with Reflex, Random, Urine
Buprenorphine Screen, Random, Urine
Bupropion and Metabolite, Serum
Buspirone (Buspar)
Busulfan, Intravenous Dose, Area Under the Curve, Plasma
Butabarbital, Serum
Butalbital, Serum