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.
Soluble Intercellular Adhesion Molecule 4 Measurement
The determination of the amount of soluble intercellular adhesion molecule 4 present in a sample.
Para-Aminohippurate Sodium Measurement
The determination of the amount of para-aminohippurate sodium present in a sample.
Neutralizing Binding Antidrug Antibody Measurement
The determination of the neutralizing binding antidrug antibody in a biological sample.
Benzo[a]anthracene Measurement
The determination of the amount of benzo[a]anthracene in a sample.
Broad Casts Measurement
The determination of the amount of urinary broad (waxy) casts present in a sample.
Chlamydia pneumoniae IgA Antibody Measurement
The determination of the amount of Chlamydia pneumoniae IgA antibody present in a sample.
Glycogen Phosphorylase Isoenzyme BB Measurement
The determination of the amount of glycogen phosphorylase isoenzyme BB present in a sample.
Thymic Stromal Lymphopoietin Measurement
The determination of the amount of the thymic stromal lymphopoietin in a sample.
Medium Absorption Reticulocyte Measurement
The determination of the amount of medium absorption reticulocytes present in a sample.
Human Respiratory Syncytial Virus Type A Nucleic Acid Measurement
The determination of the amount of respiratory syncytial virus type A nucleic acid present in a sample.
Macrophages to Non-Squamous Epithelial Cells Ratio Measurement
The determination of the ratio of macrophages compared to non-squamous epithelial cells present in a sample. The measurement may be expressed as a ratio or percentage.
Cancer Antigen 50 Measurement
The determination of the cancer antigen 50 in a sample.
Skin-Homing Cytotoxic Effector Memory T-Lymphocyte Subpopulation to Skin-Homing Cytotoxic Effector Memory T-Lymphocyte Ratio Measurement
The determination of the ratio of a sub-population of skin-homing cytotoxic effector memory T-lymphocytes to total skin-homing cytotoxic effector memory T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
HLA DR Beta 2 Histocompatibility Antigen Measurement
The determination of the amount of HLA DR Beta 2 antigen present in a sample.
Clostridium difficile DNA Measurement
The determination of the amount of Clostridium difficile DNA present in a sample.
Chemokine (C-X-C Motif) Ligand 11 Measurement
The determination of the amount of chemokine (C-X-C Motif) ligand 11 present in a sample.
Regulatory Cytotoxic T-Lymphocyte Subpopulation to Regulatory Cytotoxic T-Lymphocyte Ratio Measurement
The determination of the ratio of T-lymphocytes cytotoxic regulatory sub-population to T-lymphocytes cytotoxic regulatory present in a sample. The measurement may be expressed as a ratio or percentage.
HIV-1/2 Antigen/Antibody Measurement
The determination of the amount of HIV-1/HIV-2 antigens and/or HIV-1/HIV-2 antibodies present in a sample.
Clostridium difficile tcdB DNA Measurement
The determination of the amount of tcdB DNA produced by Clostridium difficile present in a sample.
Interferon-Induced 56 kDa Protein Measurement
The determination of the amount of interferon-induced 56 kDa protein present in a sample.
Islet Cell Cytoplasmic IgG Antibody Measurement
The determination of the amount of islet cell cytoplasmic IgG antibody present in a sample.
SRY-Box Transcription Factor 10 Measurement
The determination of the amount of SRY-box transcription factor 10 in a sample.
Homogentisic Acid Measurement
The determination of the amount of homogentisic acid in a sample.
Platelet Aggregation Measurement
The determination of the amount of the association of platelets to one another via adhesion molecules in a biological sample.