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.
Toxoplasma gondii IgG and/or IgM Antibody Measurement
The determination of the amount of Toxoplasma gondii IgG and/or IgM antibody present in a sample.
Flunitrazepam Measurement
The determination of the amount of flunitrazepam present in a sample.
Microbial-induced IgA Antibody Measurement
The determination of the amount of microbial-induced IgA antibody in a sample.
Conventional Terminal Memory T-Lymphocyte Subpopulation Count
The determination of the number of sub-population of conventional terminal memory T-lymphocytes in a sample.
Soluble Vascular Endothelial Growth Factor Receptor Type 3 Measurement
The determination of the amount of soluble vascular endothelial growth factor receptor 3 present in a sample.
Red Blood Cell Cast Measurement
The determination of the amount of red blood cell casts present in a urine sample.
Nonviable Leukocyte to Leukocyte Ratio Measurement
The determination of the ratio of nonviable leukocytes to total leukocytes present in a sample. The measurement may be expressed as a ratio or percentage.
High Absorption Reticulocytes to Total Reticulocytes Ratio Measurement
The determination of the ratio of high absorption reticulocytes compared to total reticulocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Basophil Band Form to Leukocytes Ratio Measurement
The determination of the ratio of band basophils compared to leukocytes in a sample. The measurement may be expressed as a ratio or percentage.
Immunoglobulin M Positive Memory Switched B-Lymphocyte to Memory Switched B-Lymphocyte Ratio Measurement
The determination of the ratio of IgM positive class-switched memory B-Lymphocytes to class-switched memory B-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Lactate to Pyruvate Ratio Measurement
The ratio of lactate to pyruvate present in a sample. It is used to help diagnose the cause of lactic acidosis.
Factor VIII Measurement
The determination of the amount of factor VIII present in a sample.
Acinetobacter Measurement
The determination of the amount of Acinetobacter present in a sample.
Lithium Measurement
The determination of the amount of lithium in a sample.
English Plantain Pollen IgA Measurement
A measurement of the English plantain (Plantago lanceolata) pollen IgA in a biological specimen.
Sickle Cell Hemoglobin Test
A blood test that determines the types of hemoglobin that an individual expresses. Detection of hemoglobin S indicates that the person has sickle cell trait or sickle cell disease.
Apolipoprotein B48 Measurement
The determination of the apolipoprotein B48 present in a sample.
Phosphorylated Tau Protein 212 Measurement
The determination of the amount of Tau protein where threonine 212 is phosphorylated in a sample.
Glycocholate Measurement
The determination of the amount of glycocholate in a sample.
Double-Negative Myeloid-Derived Suppressor Subpopulation Count
The determination of the number of a sub-population of double-negative myeloid-derived suppressor cells present in a sample.
Immature Plasma Cells to Total Cells Ratio Measurement
The determination of the ratio of immature plasma cells compared to total cells present in a sample. The measurement may be expressed as a ratio or percentage.
Zinc Protoporphyrin Measurement
The determination of the amount of zinc protoporphyrin present in a sample.
Conventional Central Memory T-Lymphocyte to Helper T-Lymphocyte Ratio Measurement
The determination of the ratio of the conventional central memory T-lymphocytes to helper T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Cellular Cast Measurement
The determination of the amount of cellular casts present in a urine sample.