Get Virtual Care
For Businesses
About Us
A member asked:
What is my dr testing for with these tests? gastrin, tryptase, calcitonin, chromogranin a. histamine, 5-hiaa, cortisol, free, 24hr urine
A doctor has provided 1 answer
Neuroendocrine tumor: Don't know for sure, but it looks like your doc is checking for a neuroendocrine tumor - one that secretes hormones that might be the cause of your diarrhea. He/she's also checking for a rare type of thyroid cancer, which is also hormonally active (you've had prior thyroid cancer) and can be seen in patients with other neuroendocrine tumors. Discuss with your doc for more exact explanation.
Answered 1/14/2014
5.1k views
Thank
Related Questions
A member asked:
Testing for cushings, 24 hour urine cortisol 150, yet blood cortisol after dexamethasone only 1.5? any reason to be concerned?
A doctor has provided 1 answer
A member asked:
Which other hormone imbalances can cause a very typical Cushing's appearance in a woman but with normal cortisol levels on blood and urine testing. thank you?
A doctor has provided 1 answer
People also searched for:
Ive been having chronic hives since April. My IGe was 154 should be under 25 and my histamine release test was over 50 and it should be under 10. My tryptase was normal- do you think I may have mast cell activation?
Do antihistamines h1 or h2 blockers affect blood serum histamine or Tryptase levels ? For a histamine and Tryptase blood level, must I stop Zyrtec and Pepcid prior to the test?
Why are saliva and urine tests for cortisol only valid for high cortisol? Why don't endocrinologists feel saliva testing is valid for low cortisol?
Expected high cortisol results since bipolar, told 3/13 saliva test (1.94 mcg/dl, 11pm) unreliable. 6/13 labs = 8am blood 5.9, dexameth. Supp. (1mg) 0.8, 24 hr free urine 7.1. Why low now if bipolar?
How long do test reports take for 24hour urine free cortisol test?
Didn't find what you're looking for?
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your questionMore of what we treat
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HIPAASecure
SOC 2 Type 2Certified
JCAHOAccredited
Download HealthTap
Video visit and message your doctor
