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.

Hyocholate Measurement

The determination of the amount of hyocholate in a sample.

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NNAL-N-Gluc Measurement

The determination of the amount of NNAL-N-gluc in a sample.

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HDL-Cholesterol Subclass 3 Measurement

The determination of the amount of HDL-cholesterol subclass 3 present in a sample.

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B-Lymphocyte to Non-TNK Leukocyte Ratio Measurement

The determination of the ratio of B-lymphocytes to leukocytes that are not T cells or natural killer cells present in a sample. The measurement may be expressed as a ratio or percentage.

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Homocysteine Acid Measurement

The determination of the amount of homocysteine amino acid present in a sample.

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SP100 Antibody Measurement

A measurement of SP100-specific antibodies in a biological specimen.

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Follicular Helper T-Lymphocyte Subpopulation to Helper T-Lymphocyte Subpopulation Ratio Measurement

The determination of a sub-population of helper follicular T-lymphocytes to a sub-population of helper T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

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Terminal Memory Helper T-Lymphocyte Subpopulation to Terminal Memory Helper T-Lymphocyte Subpopulation Ratio Measurement

The determination of a sub-population of helper terminal memory T-Lymphocytes to a sub-population of helper terminal memory T-Lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

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BK Virus Viral Load Measurement

The determination of the amount of BK virus viral load present in a sample.

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Rubeola Antigen Measurement

The determination of the Rubeola antigen present in a sample.

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Plasma Cell to Class-switched Memory B-Lymphocyte Ratio Measurement

The determination of the ratio of plasma cells to class-switched memory B-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

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Conventional Naive T-Lymphocyte Subpopulation to Conventional Naive T-Lymphocyte Ratio Measurement

The determination of the ratio of a sub-population of conventional naive T-lymphocytes to conventional naive T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

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Apolipoprotein CI Measurement

The determination of the apolipoprotein CI present in a sample.

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Micronucleated Cell Count

A measurement of the micronucleated cells in a biological specimen.

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Hepatitis A Antibody Measurement

A quantitative measurement of the antibody reaction of a biological specimen to the Hepatitis A virus.

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Leukocytes Corrected for Nucleated Erythrocytes Count

The determination of the amount of leukocytes, which has been corrected for nucleated erythrocytes, present in a sample.

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Polysaccharides and Mucosubstances Measurement

The determination of the amount of polysaccharides and mucosubstances in a sample.

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Gardnerella Measurement

The determination of the amount of organisms in a sample that are assigned to the Gardnerella genus.

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BTA Stat Assay

An immunoassay that detects bladder cancer antigen, which is comprised of various members of the complement factor H-related protein (CFHrp) family, in urine.

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Helper T-Lymphocyte to Lymphocyte Ratio Measurement

The determination of the ratio of T-lymphocytes helper to lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

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Prostaglandin E Synthase Measurement

The determination of the amount of the prostaglandin E synthase in a sample.

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Vitamin Measurement

The determination of the type and amount of vitamins in a sample.

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CD107a Expression Measurement

The determination of cellular CD107a expression in a biospecimen.

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Streptococcus agalactiae Measurement

The determination of the amount of Streptococcus agalactiae present in a sample.

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