LabCorp

LabCorp operates one of the largest clinical laboratory networks in the world. Labcorp is a leading global life sciences company. With a mission to improve health and improve lives, Labcorp delivers world-class diagnostic solutions, brings innovative medicines to patients faster and uses technology to improve the delivery of care.

Antistreptolysin O Ab

Optimal range: 0 - 200 IU/ml

The ASO test is primarily used to help determine whether a recent strep infection with group A Streptococcus:

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Apolipoprotein B

Optimal range: 0 - 90 mg/dL

- Apolipoprotein B (apoB) levels are used to evaluate the risk for cardiovascular disease. 
- LDL and its major protein, apolipoprotein B, play an essential role in lipid transport and metabolism. 
- ApoB levels are higher in males than in females and tend to increase with age.
- ApoB plays a central role in carrying cholesterol and triglycerides from the liver and gut to utilization and storage sites.
- Incontestable data support the concept that apoB is a better tool to assess cardiovascular disease than LDL-C and non-DHL-C.

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C difficile Toxins A+B, EIA

Optimal range: 0 - 0 %

Doctors often suspect C. difficile in anyone who has diarrhea and who has other risk factors for C. difficile. 

Clostridium difficile (klos-TRID-e-um dif-uh-SEEL), also known as Clostridioides difficile and often referred to as C. difficile or C. diff, is a bacterium that can cause symptoms ranging from diarrhea to life-threatening inflammation of the colon.

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Cold Agglutinin Titer, Quant

Optimal range: 0 - 0 %

A cold agglutinin test may be used to help detect cold agglutinin disease and determine the cause of a person’s hemolytic anemia. It may be used as a follow-up test after a complete blood count (CBC) shows a decrease in a person’s red blood cell (RBC) count and hemoglobin, especially if these findings are linked to an exposure to cold temperatures.

Cold agglutinin disease is a rare autoimmune disorder in which autoantibodies produced by a person’s immune system mistakenly target and destroy RBCs, causing hemolytic anemia. These autoantibodies are cold-reacting and can cause signs and symptoms related to anemia after an affected person is exposed to cold temperatures. This disease may be classified as either primary or secondary, triggered by an infection or other condition.

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Copper, Pl

Optimal range: 0.8 - 1.75 ug/ml

Copper, RBC

Optimal range: 0.5 - 1 ug/ml

Copper is part of enzymes, which are proteins that help biochemical reactions occur in every cell. Copper is involved in the absorptionstorage and metabolism of iron. The symptoms of a copper deficiency are similar to iron deficiency anemia. The liver makes a special protein, ceruloplasm, to transport copper and help convert iron to a form that can be used by other tissues.

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F2-Isoprostane/Creatinine

Optimal range: 0 - 0.86 ng/mg

The F2-isoprostane/creatinine ratio is the "gold standard" for measuring oxidative stress and has utility in individuals who have lifestyle risks due to poor diet or smoking, a family history of cardiovascular disease, or hyperlipidemia.

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Folate, Hemolysate

Optimal range: 0 - 1000 ng/mL

Folate is a water-soluble vitamin essential for cell growth and division. RBC folate determination is obtained by measuring the folate concentration in a whole blood (WB) hemolysate solution and dividing it by the patient’s hematocrit (Hct; %). 

This is an intermediary biomarker that is used to calculate Folate, RBC. There is no reference range provided by the laboratory, hence please refer to the actual "Folate, RBC" marker instead.

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Folate, RBC

Optimal range: 498 - 2000 ng/mL

Folates are compounds of pteroylglutamic acid (PGA) that function as coenzymes in metabolic reactions involving the transfer of single-carbon units from a donor to a recipient compound. Folate, with vitamin B12, is essential for DNA synthesis, which is required for normal red blood cell maturation. Humans obtain folate from dietary sources including fruits, green and leafy vegetables, yeast, and organ meats. Folate is absorbed through the small intestine and stored in the liver.

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G6PD

Optimal range: 4.8 - 15.7 U/g Hb

This test measures the amount of G6PD in red blood cells to help diagnose a G6PD deficiency.

G6PD deficiency is an inherited condition. It is when the body doesn’t have enough of an enzyme called G6PD (glucose-6-phosphate dehydrogenase).

This enzyme helps red blood cells work correctly. A lack of this enzyme can cause hemolytic anemia. This is when the red blood cells break down faster than they are made.

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Galectin-3

Optimal range: 0 - 22.2 ng/mL

- Aiding in the prognosis for people diagnosed with heart failure
- Risk-stratification of heart failure people
- An early indication of treatment failure and as a therapeutic target

Galectin-3 can be used in conjunction with clinical evaluation as an aid in assessing the prognosis of people with chronic heart failure

Galectin-3 levels >17.8 ng/mL are present in a proportion of people with NYHA class II-IV. Such elevated levels are associated with a more progressive form of heart failure resulting in an increased hazard for death or hospitalization.

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Histamine Determination, Blood

Optimal range: 12 - 127 ng/mL

This test measures the amount of histamine in the blood.

Histamine is a substance that is released from specialized cells called mast cells when they are activated, often as part of an allergic immune response.

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Interleukin-8, Serum

Optimal range: 0 - 66.1 pg/mL

Interleukin 8 (IL-8) is a promising marker for many clinical conditions and currently being applied by various subspecialties of medicine either for the purpose of rapid diagnosis or as a predictor of prognosis. Nevertheless, IL-8 level increased as a result of many inflammatory conditions, so careful interpretation of IL-8 level is required to make correlation with desired clinical condition's diagnosis or prognosis.

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M207-IgG Aspergillus niger

Optimal range: 0 - 1.9 ug/ml

Aspergillus species are ubiquitous environmental molds that grow on organic matter and aerosolized conidia (conidia is a spore produced by various fungi at the tip of a specialized hypha).

Aspergillus is a genus of molds that includes several hundred species that grow in nutrient-depleted environments.

Humans inhale hundreds of conidia per day without adverse consequences, except for a small minority of people for whom infection with Aspergillus causes significant morbidity (the condition of suffering from a disease or medical condition). 

The clinical manifestations of aspergillosis are determined by the host immune response to exposure with the spectrum ranging from a simple allergic response to local lung disease with mycelial balls to catastrophic systemic Aspergillus infection.

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Melanocyte-stimulating Hormone (MSH)

Optimal range: 0 - 40 pg/mL

Melanocyte-Stimulating hormone (MSH) characterizes a group of hormones made by the pituitary gland, hypothalamus, and skin cells. MSH is essential for preserving the skin from ultraviolet rays, the development of pigmentation, and controlling appetite. 

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Myeloperoxidase (MPO)

Optimal range: 0 - 469 pmol/L

MPO levels are associated with an increased risk for:

- Cardiovascular disease

- Myocardial infarction

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NT-proBNP

Optimal range: 0 - 210 pg/mL

NT-proBNP is a diagnostic screening tool to differentiate between people with normal and reduced left ventricular systolic function.

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Testost., F+W Bound

Optimal range: 40 - 250 ng/dL

The marker “Testost., F+W Bound” stands for Testosterone Free and Weakly Bound. Free and weakly bound testosterone, also referred to as bioavailable testosterone, is thought to reflect an individual’s biologically active, circulating testosterone. It includes free testosterone and testosterone that is bound to albumin. It does not include sex hormone binding globulin-bound testosterone.

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Thyroxine Binding Globulin

Optimal range: 13 - 39 ug/ml

Thyroid-binding globulin (TBG) is produced in the liver and is the primary circulating (transport) protein that binds thyroid hormones3,5,3’-triiodothyronine (T3) and thyroxine (T4) and carries them in the bloodstream.

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Toxoplasma gondii Ab, IgG

Optimal range: 0 - 7.2 IU/ml

Toxoplasma gondii is an obligate intracellular protozoan parasite that is capable of infecting a variety of intermediate hosts including humans. Infected definitive hosts (cats) shed oocysts in feces that rapidly mature in the soil and become infectious.

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