Testing Knowledge

Test Directory

Source-backed test guides: what each test is for, how it is performed, its limitations, and which reviewed products serve it. Personal health questions are answered with knowledge and preparation guidance — not supplier sales.

Chlamydia trachomatis IgM Antibody Measurement

The determination of the amount of Chlamydia trachomatis IgM antibody present in a sample.

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Myeloid Dendritic Cell Subpopulation to Total Dendritic Cell Ratio Measurement

The determination of the ratio of a sub-population of myeloid dendritic cells to total dendritic cells present in a sample. The measurement may be expressed as a ratio or percentage.

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N-acetyl-Beta-D-glucosaminidase to Creatinine Ratio Measurement

The determination of the N-acetyl-B-D-glucosaminidase to creatinine in a biological sample. The measurement may be expressed as either a ratio or a percentage.

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HIV-2 RNA Measurement

The determination of the amount of HIV-2 RNA present in a sample.

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Filamentous Fungi Count

The determination of the amount of filamentous fungus present in a sample.

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Factor VIII Inhibitor Measurement

The determination of the amount of factor VIII inhibitor present in a sample.

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Extracell Newly Ident RAGE Bind Protein Measurement

The determination of the amount of extracellular newly identified RAGE (receptor for advanced glycation end products) present in a sample.

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Radioallergosorbent Test

A type of blood test used to test for allergies.

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Gut-Homing Cytotoxic Effector Memory T-Lymphocyte Subpopulation to Gut-Homing Cytotoxic Effector Memory T-Lymphocyte Ratio Measurement

The determination of the ratio of a sub-population of gut-homing cytotoxic effector memory T-lymphocytes to total gut-homing cytotoxic effector memory T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

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HDL Particle Size Measurement

The determination of the amount of the average particle size of high-density lipoprotein in a sample.

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Meperidine Measurement

The determination of the amount of meperidine present in a sample.

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MutL Homolog 3 Measurement

The determination of the amount of MLH3 mismatch repair protein in a biological sample.

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Cryofibrinogen Measurement

The determination of the amount of cryofibrinogen present in a sample.

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Bacillota Measurement

The determination of the organisms that are not assigned to the species level but are assigned to the Bacillota phylum level in a sample.

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Shigella Measurement

The determination of the organisms that are assigned to the Shigella genus level in a biospecimen.

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Monocyte to Leukocyte Subpopulation Ratio Measurement

The determination of the monocytes to a sub-population of leukocytes present in a sample. The measurement may be expressed as a ratio or percentage.

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Perphenazine Measurement

The determination of the amount of perphenazine in a sample.

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2-5-Oligoadenylate Synthase 2 Measurement

The determination of the amount of 2-5-oligoadenylate synthase 2 present in a sample.

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Non-Mucoid Pseudomonas aeruginosa Measurement

The determination of the amount of non-mucoid Pseudomonas aeruginosa present in a sample.

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Serum Cystatin C Assay

An immunoassay used for the measurement of cystatin-C levels in the serum to determine the glomerular filtration rate.

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Heterophile Antibody Measurement

The determination of the amount of heterophile antibodies present in a sample.

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Dietary Total Folate Measurement

The determination of the total folate (supplemental folic acid + food folate) in a nutritional product or meal, or a portion thereof.

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Tissue Plasminogen Activator Measurement

The determination of the amount of tissue plasminogen activator antigen present in a sample.

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Pregnancy-Associated Plasma Protein-A Measurement

The determination of the amount of pregnancy-associated plasma protein-A present in a sample.

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