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Thyroid Cancer, Nodules & Hyperthyroidism (Expert Forum)
Hormone
Answered by
Mark Lupo, M.D. - Thyroid Nodules, Thyroid Cancer, hyperthyroidism, hypothyroidism, Thyroid Ultrasound
Thyroid & Endocrine Center of Florida
Sarasota - FL
Questions in the Thyroid forum are answered by Mark Lupo, MD. Topics covered include Goiter, Graves Disease, Hyperthyroid, Parathyroid/Calcium Problems, Thyroid Cancer, Thyroid Nodules/Cysts, Thyroiditis, Thyroid & Pregnancy, Thyroid Stimulating Hormone (TSH), Thyroid Tests, and Thyroid Surgery.
Hormone
by lowh, Mar 09, 2008 02:48PM
I had my cortisol level tested using a blood stimulation cortisol test. The cortisol level went up as expected, 32.5 ug/dl, (5-15 ug/dl), 4:15 PM. Later, 6:43 PM, my cortisol was 13.1 ug/dL, (5-15 ug/dl). The next morning, around 9:00 AM, my cortisol was re-tested, 6.2 ug/dL, (5-25 ug/dl). All were in the labs normal range. Is this normal that my cortisol should be low the next morning, but higher in the early evening the day before? Also my SHBG has been 12-13 (13-71), for many years.
Doctor's Answer
by Mark Lupo, M.D., Mar 10, 2008 06:24AM
, Mar 10, 2008 06:24AM
This is a normal cortisol response - the next am level is normal as well.
