Diagnosis of organs and symptoms

Assessing the concentration of vitamin D3, by determining the serum concentration of the 25(OH)D metabolite.

Testing blood zinc levels.

Testing the level of troponin I in the blood.

Blood group (AB0 system) and immune alloantibodies (anti-Rh) testing.

Fecal examination for parasites.

Test the level of prostate specific antigen (PSA free) in the blood blood.

Total PSA, a prostate-specific antigen.

Aldosterone testing is used in the diagnosis of secondary hypertension or renal failure, among other conditions.

Testing LDL cholesterol levels in the blood.