A cortisol blood test is usually done twice a day–once in the morning when cortisol levels are at their highest, and again around 4 p.m., when levels are much lower. Cortisol may also be measured in a urine or saliva test.
CLOTTED BLOOD OR SERUM
7 TO 8 DAYS
Tuberculosis (TB) is a potentially serious infectious disease that mainly affects your lungs. The bacteria that cause tuberculosis are spread from one person to another through tiny droplets released into the air via coughs and sneezes.
Vitamin D3 (25-OH Cholecalciferol) Test is also referred to as 25-OH vitamin D test, Calcidiol test and 25-hydroxycholecalciferol test. It is the most accurate way to measure how much vitamin D is in your body.
This test measures the amount of zinc in the serum/plasma/urine. Zinc is an essential trace element with important functions throughout the body. Zinc is important for protein synthesis, enzyme function and plays a structural role in proteins and nucleic acids.
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