This blood test measures free or unbound testosterone. Testosterone is the primary male sex hormone. However, it is present in both men and women. In men, testosterone is produced primarily in the testicles.
This blood test is used to evaluate levels of creatine kinase (CK). This enzyme is released when muscle damage occurs. The CK test can help diagnose acute heart muscle damage caused by a lack of blood supply to an area, as well as skeletal muscular damage.
CRP Protein is made by the immune cells, the liver, and fat cells (adipocytes). Because its levels rise and fall depending on the amount of inflammation in the body, CRP is categorized as an acute phase reactant.