Magnesium, 24 hr urine
Normal range: 15-78 mg/24hrs Comment:Urinary collection is valuable to detected magnesium deficiency due to gastrointestinal causes…
Lymphocytotoxicity test
Normal range: Negative Comment:Used for the detection of lymphocytotoxic antibodies in renal transplant recipients. Also used…
(Luxal fast blue stain (for myelin
Comment: For demyelinating disease in peripheral neuropathy Sample: Tissue sections (Paraffin blocks) & Cytology
(Lupus Erythematous Cell test (LE-cells
Normal range: Negative for LE Cells Comment: Specifically used for the diagnosis of lupus erythematous. One…
Lupus anticoagulant
Normal range: Negative Comment: Indicated for recurrent venous or arterial thrombotic episodes, recurrent abortions, auto-immune vasculitis…
Liver – Kidney Microsomal Antibody
Normal range: Negative Comment: In auto-immune hepatitis. See Anti Liver- Kidney Microsomal Sample: Serum
Lithium
Normal range: 0.6-1.2 mmol/L Comment: Lithium levels are measured for control of therapeutic dosage of lithium…
Lipoprotein Electrophoresis
:Normal range α : 28-40% Pre β …
(Lipoprotein (a
Normal range: 28-40% Comment: Lp (a) is structurally similar to LDL but is under separate metabolic…
Lipase
Normal range: Up to 190 U/L Comment: Increased in acute pancreatitis. May also be raised in…