The University of Iowa (UIHC)
Department of Pathology
LABORATORY SERVICES HANDBOOK

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Laboratory tests arranged alphabetically

Every effort is being made to keep this directory comprehensive and up-to-date with respect to tests offered.
However, should you not find what you are looking for, please email The Pathology Webmaster.

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L/S Ratio (Lecithin/Sphingomyelin Ratio)
   Fetal Lung Maturity, TDX, Amniotic Fluid

L1CAM Gene Testing, Blood

Lactate, Whole Blood

Lactate Dehydrogenase Isoenzymes, Serum

Lactic Dehydrogenase (LD), Plasma

Lactoferrin, Fecal

Lamictal
   Lamotrigine (Lamictal), Serum

Lamin A/C Sequencing, Whole Blood

Lamotrigine (Lamictal), Serum

Lanoxin
   Digoxin, Plasma

LAP
   Leukocyte Alkaline Phosphatase Stain, Whole Blood

Latex Agglutinins
   Rheumatoid Factor, Plasma

Laxative Abuse Screen, Feces, frozen

LD
   Lactic Dehydrogenase (LD), Plasma

LDH
   Lactic Dehydrogenase (LD), Plasma

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

LE Preparation
   Anti-Nuclear Antibody (ANA) Screen with Reflex Titer, Serum

Lead, Urine

Lead, Whole Blood

Lead Screen
   Lead, Whole Blood

Lecithin/Sphingomyelin Ratio
   Fetal Lung Maturity, TDX, Amniotic Fluid

Leflunomide as Metabolite, Serum or Plasma

Legionella Analyses, Drinking or other Water Sources

Legionella Antigen, Urine

Legionella Indirect Fluorescent Antibody (IFA), Serum

Legionella Pneumophila PCR, Various

Leptin, Serum

Leptospirosis Antibody, Serum

Leucine
   Amino Acids, Quantitative, Plasma

Leukocyte Alkaline Phosphatase Stain, Whole Blood

Leukocyte Lysosomal Enzyme Screen, Whole Blood

Levetiracetam
   Keppra (Levetiracetam), Serum or Plasma

LH, Luteinizing Hormone
   Luteinizing Hormone (LH), Plasma

Lidocaine, Plasma

Light Chains
   Kappa & Lambda, Light Chain, Free, with K/L ratio, Serum

Limb Girdle Muscular Dystrophy (Autosomal Recessive Panel and FKRP Sequencing)
  See also: FKRP Sequencing, Whole Blood
   Limb Girdle Muscular Dystrophy, Autosomal Recessive (LGPCR) - Mutation Analysis, Whole Blood

Limb Girdle Muscular Dystrophy type 2A
   Calpain 3 Sequencing, Whole Blood

Limb Girdle Muscular Dystrophy type 2K
   POMT1 Sequencing, Whole Blood

Limb Girdle Muscular Dystrophy type 2L
   Fukutin Gene Sequencing, Whole Blood

Limb Girdle Muscular Dystrophy, Autosomal Recessive (LGPCR) - Mutation Analysis, Whole Blood
  See also: FKRP Sequencing, Whole Blood
   Limb-Girdle Muscular Dystrophy (LGMD), Muscle Biopsy

Limb-Girdle Muscular Dystrophy (LGMD), Muscle Biopsy

Limb-Girdle Muscular Dystrophy type 1B, LGMD1B
   Lamin A/C Sequencing, Whole Blood

Limb-Girdle Muscular Dystrophy, 2I (LGMD2I) - FKRP Sequencing
   FKRP Sequencing, Whole Blood

Linezolid, Serum

Lipase, Plasma

Lipoprotein Metabolism Profile, Serum

Lipoprotein-Associated Phospholipase A2, Serum or Plasma

Lithium, Serum

Liver-Kidney Microsomal Antibody (LKM), Serum

LKM
   Liver-Kidney Microsomal Antibody (LKM), Serum

LMNA-Related Dilated Cardiomyopathy, CMD1A
   Lamin A/C Sequencing, Whole Blood

LMWH (Low Molecular Weight Heparin)
   Heparin, Low Molecular Weight (Xa Inhibition), Citrated Plasma
   Serotonin Release Assay, Serum

Long QT Syndrome, Plasma

Lorazepam, Serum or Plasma

Lovenox
   Heparin, Low Molecular Weight (Xa Inhibition), Citrated Plasma

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

Lupus Anticoagulant, Citrated Whole Blood
  See also: Cardiolipin Antibody, IgG and IgM, Serum

Lupus Anticoagulant/Antiphospholipid Syndrome
  See also: Cardiolipin Antibody, IgG and IgM, Serum
   Lupus Anticoagulant, Citrated Whole Blood

Luteinizing Hormone (LH), Plasma

Lyme Antibody, IgG & IgM
   Borrelia burgdorferi Antibodies (Lyme) IgG & IgM, Serum
   Borrelia burgdorferi Antibodies (Lyme) Total by ELISA, CSF

Lymphocyte Antigen Proliferation Panel, Whole Blood

Lymphocyte Subsets, Peripheral Blood

Lymphocyte T and B
   Lymphocyte Transformation, Antigen, Whole Blood
   Lymphocyte Transformation, Battery, Whole Blood
   Lymphocyte Transformation, Mitogen, Whole Blood
   Lymphocyte Transformation, Spontaneous, Whole Blood

Lymphocyte Transformation, Antigen, Whole Blood
  See also: Lymphocyte Transformation, Mitogen, Whole Blood
   Lymphocyte Transformation, Spontaneous, Whole Blood

Lymphocyte Transformation, Battery, Whole Blood

Lymphocyte Transformation, Mitogen, Whole Blood
  See also: Lymphocyte Transformation, Battery, Whole Blood
   Lymphocyte Transformation, Spontaneous, Whole Blood

Lymphocyte Transformation, Spontaneous, Whole Blood

Lymphocytes, Killer
   Natural Killer (NK) Cells, Enhanced, Whole Blood
   Natural Killer (NK) Cells, Fresh, Whole Blood

Lymphocytic Choriomeningitis (LCM) Antibodies (IgG & IgM), Serum

Lymphocytic Choriomeningitis (LCM), CSF, CSF

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

Lymphogranuloma Venereum Antibody, Serum

Lymphoma
   bcl-2 PCR Assay for Lymphoma
   Chronic Lymphocytic, Prolymphocytic, or Hairy Cell Leukemia, Various

Lysine
   Amino Acids, Quantitative, Plasma
   Amino Acids, Quantitative, Random Urine

Lysosomal Enzyme Screen
   Leukocyte Lysosomal Enzyme Screen, Whole Blood

Lysozyme, Serum, or Body Fluid

Lysozyme, Urine

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