Item Value
Test name Cortisol, free, serum
Available Stat? No
Turn around times 3-5 days
Performed by Quest
Normal range
Adult:
8:00 A.M.-10:00 A.M. 0.07-0.93 µg/dL
4:00 P.M.-6:00 P.M. 0.04-0.45 µg/dL
10:00 P.M.-11:00 P.M. 0.04-0.35 µg/dL
Container type Red top or Lavender top
Amount to Collect 4 mL blood
Sample type Serum or EDTA plasma

If you have additional questions regarding this test, please call: 415-353-1667