Test Code Test Name
ENC2 Encephalopathy Autoimmune Evaluation, CSF
LACOSM Lacosamide
LDHAMD Lactate Dehydrogenase (LD)
LDHISO Lactate Dehydrogenase Isoenzymes
LAC Lactate, Plasma
LACPYR Lactate/Pyruvate, Filtrate
LACSF Lactic Acid, CSF
LDH Lactic Dehydrogenase
LACQL LACTOFERRIN, QL, STOOL
LACTOF Lactoferrin, Quantitative, Stool
LAMB Lamb (f88) IgE
LAQU Lamb's Quarters (Goosefoot) (W10), IgE
LAMBDA Lambda Light Chain, Free
LAMOTR Lamotrigine
LAIGE Latex Hevea Brazilensis (K82), IgE
LCOHSC LCOH Screen
LCOHCF LCOH w/ Confirmation
LDHSYN LD, Synovial Fluid
FLLDH LDH, Fluid
LEAD Lead (Venous)
OSHALD Lead (Venous), OSHA
CLEAD Lead, Capillary 
CLEADO Lead, Capillary (OSHA)
LEADUR Lead, Urine
LEFMET Leflunomide Metabolite
LEGUAG Legionella Antigen, Urine
LEGNQL Legionella DNA, Qualitative, Real-Time PCR
LPNEUM Legionella pneumophila Antibody (IgG), IFA
LEGNLM Legionella pneumophila Antibody (IgM), IFA
LEGNAG Legionella Pneumophila Antigen, DFA
LEISH Leishmania Antibody (IgG)
LEISH Leishmania Antibody (IgG)
LEMON Lemon (F208) IgE (2708X)
LENTIL Lentils (f235) IgE
LEPTIN Leptin
LEPTQL Leptospira DNA, Qualitative, Real-Time PCR
LETTUC Lettuce (F215) IgE
LEUKF Leukocytes, Fecal
KEPRA Levetiracetam, Immunoassay
LIDO Lidocaine
LIME Lime (f306) IgE
FLLIP Lipase, Misc Fluid
LIPA Lipase, Serum
LIPID Lipid Panel
RLIPID Lipid Panel w/reflex to Direct LDL
LIPOA Lipoprotein (a)
LIPOEL Lipoprotein Electrophoresis
LISTAB Listeria Antibody, CF, Serum
LI Lithium
LVRFIB Liver Fibrosis, FibroTest-ActiTest Panel
LKMICR Liver Kidney Microsomal (LKM-1) Antibody (IgG)
LOIGE Lobster (F80), IgE
LORAZU Lorazepam, Urine
LPPLA2 Lp-PLA2 Activity
LCROS1 Lung Cancer (NSCLC), ROS1 (6q22) Rearrangement, FISH
LUNGCX Lung Cancer Mutation Panel (EGFR, KRAS, ALK)
LUPAC1 Lupus Anticoagulant Assay W/Reflex testing to Confirm
LUPACP Lupus Anticoagulant Profile W/Reflex testing to Confirm
LUPPK Lupus Profile
LH Luteinizing Hormone, Serum
LYME Lyme Antibody w/ Western Blot Confirmation
LYMEAB Lyme Disease Antibodies (IgG, IgM), Immunoblot 
LYMGCF Lyme Disease Antibody (IgG), IBL (CSF)
LYMMCF Lyme Disease Antibody (IgM), IBL (CSF)
LYMPCP Lymphocyte Clonality Panel, PCR
LYMSUB Lymphocyte Subset Panel 4
LGVDFF Lymphogranuloma Venereum (LGV) Differentiation Antibody Panel, MIF
LYNCHP Lynch Syndrome Tumor Panel, IHC with Interpretation
LYSOZM Lysozyme (Muramidase)