(Blood Urea Nitrogen (BUN
Normal range: 7-21 mg/dl Comment: Blood urea increase with age. Raised levels in renal dysfunction, dehydration,…
Blood film
Normal range: To evaluate white and red cell morphology and platelet count Comment: A blood film…
Bleeding time
Normal range: 1-3 minutes Comment: Prolonged in thrombocytopenic states, disorders with defective vascular and platelet function…
Bilirubin, urine
Normal range: Negative Comment: In the conjugated state bilirubin can pass in the urine and is…
(Bilirubin, total, Neonates (TSB
:Normal range Newborn up to 24 hours: 10.0 mg/dl 24hrs-1 month: up to 18 mg/dl Comment:…
Bilirubin, direct
:Normal range (Up to 0.25 mg/dl (Up to 4.3 mmol/L Comment: Use increased direct bilirubin occurs…
Bilirubin, amniotic fluid
:Normal range 28 wk: < 0.075 mg /dl < 1.3 mmol/L 40 wk: < 0.025 mg…
Bilharzia Abs
Normal range: Negative Comment: Current infection is associated with a rising titer. Titer can remain high…
Bieloschowsky for axons Stain
Normal range: Negative Comment: To detect axonal degeneration in peripheral nerves Sample: Tissue sections (Paraffin blocks)…
Bicarbonate
Normal range: 22 – 29 mmol/l Comment:A major component of the blood buffer system. Useful in…