The mission of Testing.com is to provide a comprehensive, accurate, dynamic, and up-to-date website to inform the public about laboratory testing. The scientific content is developed and updated in accordance with established editorial policies.
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Gastrin is a hormone that regulates the production of acid in the stomach during the digestive process. The gastrin test helps diagnose tumors called gastrinomas, Zollinger-Ellison (ZE) syndrome, and hyperplasia of G-cells.
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Learn about laboratory-developed tests (LDTs) that are developed, evaluated, and validated within one particular laboratory.
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Learn how and why different types of laboratory tests are developed, validated, and made available for use by patients and their healthcare practitioners.
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The majority of laboratory tests in use today are commercial lab tests, those that are are manufactured, marketed, and sold in volume as kits to multiple laboratories and other healthcare facilities. In this article, you can learn how the U.S. Food and Drug Administration (FDA) regulates the development and marketing of the commercial tests used in medical care.
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