L

Lactate Dehydrogenase (LDH), CSF
See also: Lactate Dehydrogenase (LDH), Plasma

Lactate Dehydrogenase (LDH), Plasma

Lactic Acid, CSF

Lactic Acid, Plasma

Lamellar Body Count, Amniotic Fluid

Lamictal
Lamotrigine (Lamictal) Drug Level, Whole Blood

Lamotrigine (Lamictal) Drug Level, Whole Blood

Lanoxin
Digoxin, Plasma

Latex Agglutinins
Rheumatoid Factor, Plasma

LD
Lactate Dehydrogenase (LDH), Plasma

LDH
Lactate Dehydrogenase (LDH), Plasma

LDH-Other

LDL
Cholesterol, Low-Density Lipoprotein (calculated), Plasma
Low Density Cholesterol Measured, Plasma

LE Preparation
Anti-Nuclear Antibody Screen and Reflex Titer by IFA, Serum

Lead, Venous Confirmation by ICP-MS, Whole Blood

Lead, Whole Blood (Capillary by ICP-MS), Whole Blood
See also: Lead, Venous Confirmation by ICP-MS, Whole Blood

Legionella Antigen, Urine

Leukemia Gene Fusion Detection with Interpretation, Blood, Bone Marrow Aspirate, Tissue

Levetiracetam (Keppra) Drug Level, Whole Blood

LH, Luteinizing Hormone
Luteinizing Hormone (LH), Plasma

Lidocaine Drug Level, Plasma

Light Chains
Kappa-Lambda Quant Free Light Chain Ratio, Blood

Limb Girdle Muscular Dystrophy (LGMD), Muscle Biopsy

Limb Girdle Muscular Dystrophy type 2B (Dysferlin sequencing)

Limb Girdle Muscular Dystrophy type 2I

Limb Girdle Muscular Dystrophy type 2K

Limb Girdle Muscular Dystrophy type 2M

Limb Girdle Muscular Dystrophy type 2N

Limb Girdle Muscular Dystrophy type 2O

Lipase, Plasma

Lipid Panel, Plasma
See also: Cholesterol, Plasma
Cholesterol, High-Density Lipoprotein, Plasma
Cholesterol, Low-Density Lipoprotein (calculated), Plasma
Triglycerides, Plasma

Lithium, Plasma

Liver Panel, Plasma
See also: Alanine Aminotransferase (ALT with P5P), Plasma
Albumin, Plasma
Alkaline Phosphatase, Plasma
Aspartate Aminotransferase (AST with P5P), Plasma
Bilirubin, Total, Plasma
Gamma-glutamyl transpeptidase, Plasma
Total Protein, Plasma

Liver-Kidney Microsome Antibody, IgG, Serum

LKM
Liver-Kidney Microsome Antibody, IgG, Serum

LMWH (Low Molecular Weight Heparin)
Enoxaparin Assay (Anti Xa), Citrated Plasma

Lovenox
Enoxaparin Assay (Anti Xa), Citrated Plasma

Low Density Cholesterol Measured, Plasma
See also: Cholesterol, Low-Density Lipoprotein (calculated), Plasma

Lupus Anticoagulant, Citrated Whole Blood

Luteinizing Hormone (LH), Plasma

Lyme Disease Antibodies (Acute Disease), Serum

Lyme Disease Antibodies (Late Disease), Serum

Lymphocyte Subsets, Peripheral Blood

Lymphocytic Leukemia
Acute Leukemia, Peripheral Blood, Bone Marrow, or CSF
Chronic Lymphocytic Leukemia, Various

Lymphoma
Chronic Lymphocytic Leukemia, Various