Useful for evaluating for diseases of immediate hypersensitivity or mast cell proliferation (mastocytosis). Histamine is one of the major mediators of allergic reactions. Some carcinoid tumors, particularly of gastric origin, produce and release excessive histamine. Symptoms of flushing, itching, urticaria, vomiting, syncope or shock assumed to be due to histamine release, which coincides with increased urine of plasma levels. Systemic mastocytosis or basophilia can produce persistent elevations in plasma or urine histamine concentrations.
Get a deeper understanding of your blood, urine, and stool test results.
$99 $79 per year
$6.60 per month billed annually