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.
HLA-DR52 Antigen Measurement
The identification of the type of human leukocyte antigen, class II, antigen-D-related 52 (HLA-DR52), in a sample.
B-Cell Lymphoma 6 Protein Measurement
The determination of the amount of B-cell lymphoma 6 protein in a sample.
Stem Cell Memory Helper T-Lymphocyte Subpopulation Count
A measurement of a sub-population of helper stem cell memory T-lymphocytes present in a sample.
Cholate Compounds Measurement
The determination of the amount of cholic acid, glycocholic acid, hyocholic acid, and taurocholic acid in a sample.
Matrix Metalloproteinase 13 Measurement
The determination of the matrix metalloproteinase 13 present in a sample.
Kallikrein-2 Measurement
The determination of the amount of kallikrein-2 in a biological sample.
Antidepressant Measurement
The determination of the amount of antidepressant class drug present in a sample.
G6PD-Deficient Erythrocytes Count
The determination of the amount of G6PD-deficient erythrocytes in a biological sample.
Neutrophil Elastase Measurement
The determination of the amount of neutrophil elastase present in a sample.
Granulocyte Subpopulation Count
The determination of a subpopulation of granulocytes present in a sample.
Terminal Memory Cytotoxic T-Lymphocyte Subpopulation to Terminal Memory Cytotoxic T-Lymphocyte Subpopulation Ratio Measurement
The determination of a sub-population of cytotoxic terminal memory T-lymphocytes to a sub-population of cytotoxic terminal memory T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Glucose-6-Phosphate Dehydrogenase Measurement
The determination of the amount of glucose-6-phosphate dehydrogenase present in a sample.
Gut-Homing Helper Effector Memory T-Lymphocyte Count
The determination of the gut-homing helper effector memory T-lymphocytes present in a sample.
Conventional Terminal Memory T-Lymphocyte to T-Lymphocyte Ratio Measurement
The determination of the ratio of the conventional terminal memory T-lymphocytes to T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Acinetobacter anitratus Measurement
A measurement of Acinetobacter anitratus in a sample.
Immature Natural Killer Cell to Lymphocyte Subpopulation Ratio Measurement
The determination of the immature natural killer cells to a sub-population of lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Triggering Receptor Expressed On Myeloid Cells 1 Measurement
The determination of the amount of triggering receptor expressed on myeloid cells 1 protein in a sample.
Connective Tissue Growth Factor Measurement
The determination of the amount of connective tissue growth factor in a sample.
Sodium Measurement
A quantitative measurement of the amount of sodium present in a sample.
Alpha-2 Globulin Measurement
The determination of the amount of alpha-2 globulin present in a sample.
Campylobacter coli Measurement
The determination of the amount of Campylobacter coli in a biological sample.
Gut-Homing Helper Central Memory T-Lymphocyte to Helper Central Memory T-Lymphocyte Ratio Measurement
The determination of the ratio of the gut-homing helper central memory T-lymphocytes to total helper central memory T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Gut-Homing Helper Memory T-Lymphocyte to Helper T-Lymphocyte Ratio Measurement
The determination of the ratio of the gut-homing helper memory T-lymphocytes to total helper T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Tryptophan to Creatinine Ratio Measurement
The determination of the tryptophan to creatinine in a biological sample. The measurement may be expressed as either a ratio or a percentage.