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.
Soluble Tumor Necrosis Factor Receptor Type I Measurement
The determination of the amount of soluble TNF receptor type I present in a sample.
Goblet Cell to Epithelial Cell Ratio Measurement
The determination of the ratio of goblet cells to epithelial cells in a sample. The measurement may be expressed as a ratio or percentage.
Forkhead Box Protein P3 Measurement
The determination of the amount of forkhead box protein 3 present in a sample.
Dietary Carotenoid Measurement
A determination of the total carotenoids in a nutritional product or meal, or a portion thereof.
Pi Glutathione S-Transferase Measurement
The determination of the amount of Pi glutathione-s-transferase present in a sample.
Moraxella catarrhalis Measurement
The determination of the amount of Moraxella catarrhalis in a sample.
Uric Acid Crystal Measurement
The determination of the amount of uric acid crystals present in a sample.
Isoprene Measurement
The determination of the amount of isoprene in a sample.
Non-class-switched Memory B-Lymphocyte Subpopulation to B-Lymphocyte Ratio Measurement
The determination of the ratio of a sub-population of non-class-switched memory B-lymphocytes to total B-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Transitional 2 B-Lymphocyte to B-Lymphocyte Ratio Measurement
The determination of the ratio of the transitional 2 B-lymphocytes to total B-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Intercellular Adhesion Molecule 3 Measurement
The determination of the amount of intercellular adhesion molecule 3 present in a sample.
Hedgehog-Shaped Cell Count
The determination of the total number of hedgehog-shaped cells that are observed during the evaluation.
C4 Enriched Glutamine Measurement
The determination of the amount of C4 enriched glutamine present in a sample.
Proinflammatory Monocyte Subpopulation Count
A measurement of a sub-population of proinflammatory monocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Ureaplasma urealyticum DNA Measurement
The determination of the amount of Ureaplasma urealyticum DNA present in a sample.
Free Choriogonadotropin Beta Measurement
The determination of the amount of free choriogonadotropin beta present in a sample.
Parietal Cell Antibody Measurement
The determination of the amount of parietal cell antibody present in a sample.
2-Amino-3-Methyl-9H-Pyrido[2,3-b]indole Measurement
The determination of the amount of 2-Amino-3-Methyl-9H-Pyrido[2,3-b]indole in a sample.
Fibroblast Growth Factor 19 Measurement
The determination of the amount of fibroblast growth factor 19 present in a sample.
Beta Carotene Measurement
The determination of the amount of beta-carotene present in a sample.
Immature Intermediate Natural Killer Cell Subpopulation to Immature Intermediate Natural Killer Cell Ratio Measurement
The determination of a sub-population of immature intermediate natural killer cells to total immature intermediate natural killer cells present in a sample. The measurement may be expressed as a ratio or percentage.
Neurokinin A Measurement
The determination of the amount of neurokinin A present in a sample.
CD20 Expressing Cell Measurement
A count of the CD20 expressing cells per unit of a biological specimen.
Immunoglobulin G Positive Plasmablast Subpopulation Count
The determination of a sub-population of IgG positive plasmablasts in a sample.