Lambda Free Light Chains (Bence Jones Protein), Quantitative, Urine Lambda Light Chains by Immunohistochemistry Lamellar Body Counts Laminin by Immunohistochemistry Lamotrigine LDL Cholesterol, Direct Lacosamide, Serum or Plasma Lactate Dehydrogenase Total, Body Fluid Lactate Dehydrogenase, Isoenzymes Lactate Dehydrogenase, Serum or Plasma Lactate to Pyruvate Ratio, Whole Blood Lactic Acid, Body Fluid Lactic Acid, CSF Lactic Acid, Plasma Lactoferrin, Fecal by ELISA Lactose Tolerance Lecithin-Sphingomyelin Ratio (Inactive as of 11/14/16) Leptospira Culture Leflunomide Metabolite, Serum or Plasma Leucine Aminopeptidase (LAP), Serum
