A member asked:

Can gi issues cause hypokalemia and false positive chromogranin and vasoactive intestinal peptides ? one high reading one regular reading for both.

A doctor has provided 1 answer
Dr. Stephen Southard answered

Specializes in Internal Medicine

Depends: GI issues can cause hypokalemia like diarrhea or vomiting. False positives for chromogranin A can be related to PPI use like omeprazole, as can pernicious anemia, kidney and/or liver issues. False positive VIP levels can be from fasting, small bowel surgeries, and kidney disease but also elevated in inflammatory bowel disease.

Answered 9/26/2014



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