Leptospira Antibody, IgM Lower Respiratory Tract Smear&Culture Lishman body Lupus erythematosus (LE) Cell Lupus Anticoagulant, Plasma Liver/Kidney Microsome Type 1 Antibodies IgG, Serum Leukemial Lymphoma Immunophenotyping by Flow Cytometry Listeria monocytogenes Antibody, IgG Luteinizing Hormone – Follicle Stimulating Hormone - FSH, LH Lactose Tolerunce Test (L.T.T) Lithium Low Density Lipoprotein, Cholesterol (LDL-C) Lipoprotein Electrophoresis Lipoprotein-a (Lpa) Lipase Lactate Lactate Dehydrogenase (LDH)