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.
Dihydrotestosterone Measurement
The determination of the amount of dihydrotestosterone hormone present in a sample.
Mixed Antigen IgE Antibody Measurement
A measurement of the mixed antigen IgE antibody in a biological specimen.
Eosinophilic Myelocyte Count
The determination of the number of eosinophilic myelocytes in a blood sample.
Human Anti-Sheep IgE Antibody Measurement
The determination of the amount of human anti-sheep IgE antibody present in a sample.
Serum CEA Measurement
The determination of the amount of carcinoembryonic antigen present in a serum sample.
Osmolality Measurement
The determination of the osmoles of solute per kilogram of solvent present in a sample.
Unsaturated Iron Binding Capacity Measurement
The determination of the binding capacity of unsaturated iron in a sample.
Sodium to Potassium Ratio Measurement
The determination of the ratio of sodium to potassium present in a sample. The measurement by be expressed as a ratio or percentage.
Mycobacterium kansasii Measurement
The determination of the amount of Mycobacterium kansasii in a sample.
Retinol Binding Protein 2 Measurement
The determination of the amount of retinol binding protein 2 in a sample.
DNase-B Antibody Measurement
The determination of the amount of Dnase-B antibody present in a sample.
Aldolase Measurement
The determination of the amount of aldolase present in a sample.
Macrophage-Derived Chemokine Measurement
The determination of the amount of macrophage-derived chemokine present in a sample.
AM694 N-5-hydroxypentyl Measurement
The determination of the amount of the synthetic cannabinoid metabolite AM694 N-5-hydroxypentyl in a sample.
Human Papillomavirus Type 58 DNA Measurement
The determination of the Human papillomavirus type 58 DNA in a sample.
Urine Dipstick Test
Use of a test strip designed to detect one or more specific substances in urine. Results are indicated by a color change and may be qualitative or semi-quantitative.
Burkholderia dolosa Measurement
The determination of the amount of Burkholderia dolosa in a sample.
Factor X Activity Measurement
The determination of the amount of the biological activity of factor X in a sample.
Immunoglobulin G Subclass 2 Measurement
The determination of the amount of immunoglobulin G subclass 2 present in a sample.
von Willebrand Coagulation Factor Cleaving Protease Activity Measurement
The determination of the biological activity of von Willebrand coagulation factor cleaving protease, ADAMTS13, in a sample.
Type 2 Innate Lymphoid Cell Subpopulation to Leukocyte Ratio Measurement
The determination of the ratio of a sub-population of type 2 innate lymphoid cells to total leukocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Cardiolipin IgG Antibody Measurement
The determination of the amount of cardiolipin IgG antibody present in a sample.
Heterophil Measurement
The determination of the amount of heterophils present in a sample.
Double Marker Test
A blood test done near the end of the first trimester of pregnancy to screen for common chromosomal defects. This test screens for blood levels of both free beta-human chorionic gonadotrophin (beta-hCG) and pregnancy-associated plasma protein A (PAPP-A) and can detect trisomies of chromosomes 21 (Down's syndrome), chromosome 18 (Edward's syndrome), and chromosome 13 (Patau's syndrome).