This is a single-marker test measuring the level of gastrin in the blood. It is primarily used for diagnosing and monitoring gastrin-secreting tumors, such as gastrinomas, which are associated with Zollinger-Ellison syndrome. Elevated gastrin levels can also indicate conditions like gastric ulcers or pernicious anemia. It is a valuable tool in the differential diagnosis of hypergastrinemia-related disorders.
Hey Practitioners! 
Join Dr. Chris Magryta and Dr. Erik Lundquist for a comprehensive 6-week course on evaluating functional medicine labs from two perspectives: adult and pediatric. In this course, you’ll explore the convergence of lab results across different diseases and age groups, understanding how human lab values vary on a continuum influenced by age, genetics, and time. Register here.
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