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.
Cat Dander Antigen IgG Antibody Measurement
A measurement of the cat dander antigen IgG antibody in a biological specimen.
Gut-Homing Natural Killer Cell to Natural Killer Cell Ratio Measurement
The determination of the ratio of the gut-homing natural killer cells to total natural killer cells present in a sample. The measurement may be expressed as a ratio or percentage.
Lactose Measurement
The determination of the amount of lactose present in a sample.
Myoglobin Measurement
The determination of the amount of myoglobin present in a sample.
Monoblast Count
The determination of the number of monoblast cells present in a sample.
Estrone Measurement
The determination of the amount of estrone hormone present in a sample.
1,25-Dihydroxyvitamin D2 and 1,25-Dihydroxyvitamin D3 Measurement
The determination of the amount of 1,25-dihydroxyvitamin D2 and 1,25-dihydroxyvitamin D3 present in a sample.
Double-Negative T-Lymphocyte to T-Lymphocyte Ratio Measurement
The determination of the ratio of double-negative T-lymphocytes to T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Budding Yeast Measurement
Examination of a biological specimen to detect the presence of any yeast cells that are in the budding phase of asexual reproduction.
Pseudomonas mendocina Measurement
A measurement of Pseudomonas mendocina in a sample.
5-Methylchrysene Measurement
The determination of the amount of 5-methylchrysene in a sample.
Lactobacillus crispatus DNA Measurement
The determination of the amount of Lactobacillus crispatus DNA present in a sample.
Germinal Center B-Lymphocyte Count
The determination of the amount of germinal center B-lymphocytes present in a sample.
Effector Memory Helper T-Lymphocyte Subpopulation to Helper T-Lymphocyte Ratio Measurement
The determination of the ratio of T-lymphocytes helper effector memory sub-population to T-lymphocytes helper present in a sample. The measurement may be expressed as a ratio or percentage.
High Molecular Weight Adiponectin Measurement
The determination of the amount of high molecular weight adiponectin in a biological sample.
Escherichia coli K1 and/or Neisseria meningitidis Group B Antigen Measurement
The determination of the antigen from Escherichia coli K1 and/or Neisseria meningitidis serogroup B in a sample.
Pre-Dendritic Cell Count
The determination of the amount of pre-dendritic cells present in a sample.
Cyclospora cayetanensis DNA Measurement
The determination of the amount of Cyclospora cayetanensis DNA present in a sample.
Non-class-switched Memory B-Lymphocyte to Leukocyte Ratio Measurement
The determination of the ratio of B-lymphocytes memory non-class switched to leukocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Cryptococcus Antigen Measurement
The determination of the Cryptococcus antigen present in a sample.
Eosinophils to Non-Squamous Epithelial Cells Ratio Measurement
The determination of the ratio of eosinophils compared to non-squamous epithelial cells present in a sample. The measurement may be expressed as a ratio or percentage.
CD4 T Cell to Lymphocyte Ratio Measurement
The determination of the ratio of CD4 T cells compared to lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Methyl Ethyl Ketone Measurement
The determination of the amount of methyl ethyl ketone in a sample.
Amino Acid Measurement
The measurement of the amount of amino acids in a biologic specimen.