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.
Varicella Zoster Virus DNA Measurement
The determination of the amount of Varicella Zoster virus DNA in a biological sample.
Egg White Antigen IgE Antibody Measurement
The determination of the amount of egg white antigen IgE antibody present in a sample.
Immature Natural Killer Cell Subpopulation to Immature Natural Killer Cell Ratio Measurement
The determination of the ratio of a sub-population of immature natural killer cells to total immature natural killer cells present in a sample. The measurement may be expressed as a ratio or percentage.
Escitalopram Measurement
The determination of the escitalopram in a sample.
Magnesium Measurement
A quantitative measurement of the amount of magnesium present in a sample.
Micronucleated Normochromatic Erythrocytes to Normochromatic Erythrocytes Ratio Measurement
The determination of the ratio of the micronucleated normochromatic erythrocytes to total normochromatic erythrocytes in a sample. The measurement may be expressed as a ratio or percentage.
Streptococcus salivarius Measurement
A measurement of Streptococcus salivarius in a sample.
Synoviocytes Cell Count
The determination of the amount of total synoviocytes present in a sample.
Interferon Measurement
The determination of the amount of interferon present in a sample.
Clostridium difficile 027/NAP1/BI Measurement
The determination of the amount of the 027/NAP1/BI strain of Clostridium difficile species in a biological specimen.
Salicylates Measurement
The determination of the amount of salicylates present in a sample.
Ionized pH Adjusted Calcium Measurement
The determination of the amount of ionized pH adjusted calcium present in a sample.
Splice Junction Measurement
A determination of the number of transcript splice junctions based on nucleotide sequencing reads extending across the start and/or end of a junction.
Traditional Circulating Tumor Cell Count
The determination of the amount of traditional circulating tumor cells present in a sample.
Dietary Folic Acid Measurement
The determination of the folic acid in a nutritional product or meal, or a portion thereof.
Methadone Measurement
The determination of the amount of methadone present in a sample.
Birch Pollen IgG Measurement
A measurement of the birch pollen IgG in a biological specimen.
Epinephrine Measurement
The determination of the amount of epinephrine present in a sample.
Metamyelocyte to Total Cell Ratio Measurement
The determination of the ratio of metamyelocytes compared to total cells present in a sample. The measurement may be expressed as a ratio or percentage.
Succinylacetone Measurement
The determination of the amount of succinylacetone present in a sample.
Lactobacillus Measurement
The determination of the amount of Lactobacillus genus level organisms in a sample.
Inactive Glucagon-Like Peptide-1 Measurement
The determination of the amount of inactive glucagon-like peptide-1 present in a sample.
White Elm Pollen IgG Antibody Measurement
The determination of the amount of white elm pollen IgG antibody present in a sample.
Glycated Albumin Measurement
The determination of the amount of glycated albumin related peptide present in a biological specimen.