A member asked:

Chromogranin a 166.1 (0.0-101.8 ng/ml) 5hiaa urine normal,all other blood work normal. abd mri normal.what would cause this elevation? no one can figure out my intermittent severe abd pain.also i have no gallbladder.i freeze up when im at dr to ask.

A doctor has provided 1 answer
Dr. Silviu Pasniciuc answered

Specializes in Internal Medicine

Chromogranin: Is a rather nonspecific marker of neuroendocrine tumors. In your case workup should continue with same team in trying to rule in or out vascular and/or functional causes for your pain.

Answered 5/16/2020

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