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Editorial Policy

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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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Frequently Asked Questions

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Have questions about laboratory testing? We're here to help you understand your tests and what results might mean for you.
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Genetic Tests for Targeted Cancer Therapy

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Genetic tests for targeted cancer therapy detect mutations (changes) in the DNA of cancer cells. Knowing whether the cancer has a particular mutation can help guide the type of treatment that a person receives. The presence or absence of certain mutations can predict who may benefit from certain drugs and who is not likely to respond.
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Influenza Tests

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The flu is a respiratory illness triggered by infection with an influenza virus. Our guide explains the types of flu tests and when and how they may be used.
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Gastrin

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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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