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.
Mucosal-Associated Invariant T-Lymphocyte Subpopulation Count
The determination of the amount of a sub-population of mucosal-associated invariant T-lymphocytes present in a sample.
Phosphorylated STAT3 to STAT3 Ratio Measurement
The determination of the ratio of phosphorylated STAT3 compared to STAT3 present in a sample. The measurement may be expressed as a ratio or percentage.
21-Deoxycortisol Measurement
The determination of the amount of 21-deoxycortisol present in a sample.
Aspergillus fumigatus Antigen IgG Antibody Measurement
A measurement of the Aspergillus fumigatus antigen IgG antibody in a biological specimen.
Serum VLDL Cholesterol Measurement
A quantitative measurement of the amount of very-low-density-lipid (VLDL) cholesterol present in a sample of serum.
Follicular B-Lymphocyte Subpopulation Count
The determination of the number of a sub-population of follicular B-lymphocytes in a sample.
Acinetobacter baumannii Measurement
A measurement of Acinetobacter baumannii in a sample.
HIV-2 Antibody Measurement
The determination of the antibody reaction of a sample to the HIV-2 virus.
Fructose Measurement
The determination of the amount of fructose present in a sample.
Stem Cell Factor Measurement
The determination of the amount of stem cell factor present in a sample.
Cystathionine Beta-Synthase Measurement
The determination of the amount of cystathionine beta-synthase in a sample.
Rotavirus Measurement
The determination of the amount of Rotavirus in a sample.
Tomoregulin-2 Measurement
The determination of the tomoregulin-2 in a sample.
Methylmalonic Acid Measurement
The determination of the amount of methylmalonic acid present in a sample.
Opioid Measurement
The determination of the amount of any opioid, including any of the naturally occurring and semi-synthetic opiates, fully synthetic opioids and their metabolites, present in a sample.
IgD Expression Measurement
The determination of cellular IgD expression in a biological specimen.
Presepsin Measurement
The determination of the presepsin present in a sample.
Skin-Homing Cytotoxic Effector Memory T-Lymphocyte Subpopulation to Cytotoxic T-Lymphocyte Ratio Measurement
The determination of the ratio of a sub-population of skin-homing cytotoxic effector memory T-lymphocytes to total cytotoxic T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Neutralizing Cross-Reactive Binding Antidrug Antibody IgG2 Measurement
The determination of the neutralizing cross-reactive antidrug binding IgG2 antibody in a biospecimen.
Troponin I Type 1 Measurement
The determination of the amount of troponin I type 1 (slow twitch skeletal muscle) in a biological sample.
Enterococcus faecalis Measurement
The determination of the amount of Enterococcus faecalis present in a sample.
Interleukin 16 Measurement
The determination of the amount of interleukin 16 present in a sample.
Bacterial Lipopolysaccharide Antigen Measurement
The determination of the amount of lipopolysaccharide antigen from bacteria in a sample.
Lipocalin-2 Measurement
The determination of the amount of lipocalin-2 present in a sample.