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.
Shigella DNA Measurement
The determination of the amount of DNA from any member of the genus Shigella in a biological sample.
Sufentanil Measurement
The determination of the amount of the sufentanil in a sample.
Thymidylate Synthase Measurement
The determination of the amount of thymidylate synthase in a sample.
Gut-Homing Cytotoxic Memory T-Lymphocyte Subpopulation to Gut-Homing Cytotoxic Memory T-Lymphocyte Ratio Measurement
The determination of the ratio of a sub-population of gut-homing cytotoxic memory T-lymphocytes to total gut-homing cytotoxic memory T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Helper 17 T-Lymphocyte Subpopulation to Helper T-Lymphocyte Ratio Measurement
The determination of the ratio of T-lymphocytes helper 17 sub-population to T-lymphocytes helper present in a sample. The measurement may be expressed as a ratio or percentage.
Phosphorylated Acetyl-CoA Carboxylase to Acetyl-CoA Carboxylase Ratio Measurement
The determination of the ratio of the phosphorylated acetyl-CoA carboxylase to total acetyl-CoA carboxylase present in a sample. The measurement may be expressed as a ratio or percentage.
Galactokinase Measurement
The determination of the amount of galactokinase in a sample.
SARS-CoV-2 IgM Antibody Measurement
The determination of the amount of SARS-CoV-2 IgM antibody in a sample.
Malignant Cell to Blood Cell Ratio Measurement
The determination of the ratio of malignant cells compared to blood cells present in a sample. The measurement may be expressed as a ratio or percentage.
Group A Streptococcus Measurement
The determination of the amount of Streptococcus group A in a sample.
Plasmodium falciparum Measurement
The determination of the amount of Plasmodium falciparum in a sample.
Human adenovirus 40 and/or Human adenovirus 41 DNA Measurement
The determination of the amount of Human adenovirus type 40 and/or Human adenovirus type 41 DNA present in a sample.
American Cockroach Antigen IgG Antibody Measurement
A measurement of the American cockroach (Periplaneta americana) antigen IgG antibody in a biological specimen.
Valine Measurement
The determination of the amount of valine present in a sample.
Effector 2 B-Lymphocyte Subpopulation Count
The determination of the number of a sub-population of effector 2 B-lymphocytes in a sample.
Macrophage Subpopulation to Macrophage Subpopulation Ratio Measurement
The determination of the ratio of a subpopulation of macrophages compared to a subpopulation of macrophages present in a sample. The measurement may be expressed as a ratio or percentage.
Meningeal Cell to Total Cell Ratio Measurement
The determination of the ratio of the meningeal cells compared to total cells present in a sample. The measurement may be expressed as a ratio or percentage.
Anti-Double Stranded DNA IgG Measurement
The determination of the amount of anti-double stranded DNA IgG antibodies present in a sample.
Gut-Homing Cytotoxic Central Memory T-Lymphocyte Subpopulation to Cytotoxic T-Lymphocyte Ratio Measurement
The determination of the ratio of a sub-population of gut-homing cytotoxic central memory T-lymphocytes to total cytotoxic T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Skin-Homing Cytotoxic Effector Memory T-Lymphocyte to Cytotoxic Effector Memory T-Lymphocyte Ratio Measurement
The determination of the ratio of the skin-homing cytotoxic effector memory T-lymphocytes to total cytotoxic effector memory T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Adenovirus Nucleic Acid Measurement
The determination of the amount of nucleic acid from any member of the family Adenoviridae in a sample.
Erythroid Precursor Cell Count
The determination of the erythroid precursors in a biological specimen.
Glucose Measurement
The determination of the amount of glucose present in a sample.
Keratocyte Count
The determination of the amount of keratocytes present in a sample.