- Barbiturates
- BCR-ABL(9:22) Qualitative
- BCR-ABL(9:22) Quantitative
- Bence Jones Protein (BJ Protein)
- Benzodiazepines
- Beta 2 Microglobulin
- Beta Human Chorionic Gonodotropin Hormone
- Beta Human Chorionic Gonodotropin Hormone Titre
- B-HCG (Free)
- Bicarbonate (Calculated from CO2)
- Bilirubin (Total + Direct)
- Bilirubin Direct
- Bilirubin Total
- Bleeding Time
- Blood Grouping (A,B,O) and Rh factor
- Blood Picture–Peripheral Smear Examination
- Blood Urea Nitrogen (BUN)
- Bone Marrow Examination
- Bone Marrow Iron Stain
- Brucella Antibody (B.Abortus&B.Melitensis)
- Brucella DNA PCR
- Brucella IgG
- Brucella IgM
- B-Type Natriuric Peptide (BNP)
