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.
Granzyme B Measurement
The determination of the amount of granzyme B present in a sample.
Transitional Epithelial Cells Measurement
The determination of the amount of transitional epithelial cells present in a urine sample.
Gamma Glutamyl Transpeptidase Measurement
A quantitative measurement of the amount of gamma glutamyl transpeptidase present in a sample.
Leukotriene D4 Measurement
The determination of the amount of the leukotriene D4 in a sample.
Murine Pneumonia Virus Measurement
The determination of the amount of Murine pneumonia virus in a sample.
Manual Clot Detection
A clot detection method that uses a manual means (visual discernment) to detect the presence and/or quantify the formation of a thrombus in a specimen.
Epimerized Ursodeoxycholate Measurement
The determination of the amount of epimerized ursodeoxycholate in a sample.
Soluble L-Selectin Measurement
The determination of the amount of soluble L-selectin in a sample.
Type 2 Innate Lymphoid Cell Subpopulation to Innate Lymphoid Cell Ratio Measurement
The determination of the ratio of a sub-population of type 2 innate lymphoid cells to total innate lymphoid cells present in a sample. The measurement may be expressed as a ratio or percentage.
Class-switched Memory B-Lymphocyte to Leukocyte Ratio Measurement
The determination of the ratio of class-switched memory B-lymphocytes to leukocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Salivary Amylase Measurement
The determination of the amount of salivary amylase present in a sample.
Interleukin 22 Measurement
The determination of the amount of interleukin 22 present in a sample.
Mycobacterium abscessus Measurement
The determination of the amount of Mycobacterium abscessus in a sample.
CD69 Expression Measurement
A measurement of cellular CD69 expression present in a sample.
Gamma-Delta Helper T-Lymphocyte Count
The determination of the number of helper gamma-delta T-lymphocytes in a sample.
Immature Eosinophil to Leukocyte Ratio Measurement
The determination of the ratio of immature eosinophils compared to total leukocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Regulatory Memory B-Lymphocyte to B-Lymphocyte Ratio Measurement
The determination of the ratio of regulatory memory B-lymphocytes to total B-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Lymphocyte Count
The determination of the number of lymphocytes in a blood sample.
SARS-CoV-2 IgG Antibody Measurement
The determination of the amount of SARS-CoV-2 IgG antibody in a sample.
Helper 22 T-Lymphocyte Subpopulation to Helper 22 T-Lymphocyte Ratio Measurement
The determination of the ratio of T-lymphocytes helper 22 sub-population to T-lymphocytes helper 22 present in a sample. The measurement may be expressed as a ratio or percentage.
MMP-Degraded Type IV Collagen Fragment C4G Measurement
The determination of the amount of MMP-degraded type IV collagen fragment C4G in a sample.
CD4 Expressing Cell Count
The determination of the amount of the CD4 expressing cells in a sample.
Insulin Like Growth Factor-2 Measurement
The determination of the amount of insulin-like growth factor-2 present in a sample.
Monocytes and Macrophages to Leukocytes Ratio Measurement
The determination of the ratio of monocytes and macrophages compared to total leukocytes present in a sample. The measurement may be expressed as a ratio or percentage.