A member asked:

My chromogranin a blood test shows high 21.00 , according the lab, what does that mean?

A doctor has provided 1 answer
Dr. Olivia Liao answered

Specializes in Ophthalmology

Chromogranin A: http://emedicine.medscape.com/article/2114314-overview due to margin of error, i would discuss this result with the ordering doctor. They may have low or high index of suspicion depending on your symptoms, exam and other lab tests.

Answered 10/9/2013

4.8k views

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