Additional information
| REQUIREMENT(S) | CLOTTED BLOOD OR SERUM |
|---|---|
| SPECIMEN | BLOOD |
| TEST DURATION | 7 TO 8 DAYS |
CORTISOL PM
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.
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TROPONIN I
A troponin test measures the levels of troponin T or troponin I proteins in the blood. These proteins are released when the heart muscle has been damaged, such as occurs with a heart attack. The more damage there is to the heart, the greater the amount of troponin T and I there will be in the blood.