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Calcitonin

  • Test
The calcitonin test is primarily used to help diagnose and monitor treatment of C-cell hyperplasia and medullary thyroid cancer.
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17-Hydroxyprogesterone

  • Test
Describes how the 17-hydroxyprogesterone (17-OHP) test is used, when a 17-OHP test is ordered, and what the results of a 17-hydroxyprogesterone test might mean
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Androstenedione

  • Test
Describes how the androstenedione test is used, when an androstenedione test is ordered, and what the results of an androstenedione test might mean
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Policies

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Testing.com has made every effort to provide a website that observes best practices in developing a health information resource on the Internet, and, in particular, one that respects the privacy of its users, as reflected in the policies below. Should you have any questions about these policies, please contact us.
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Follow That Blood Sample: A Short Lab Tour

  • Article
Ever wonder what happens to your blood sample once it's been collected? It's sent "to the lab" for analysis, but what does that involve? This article will take you on a behind-the-scenes laboratory tour as a blood sample is processed.
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At-Home Testing

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At-home tests have surged in popularity, but what are their benefits and downsides? Read about the types of at-home tests and when and how they may be used.
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Gastrin

  • Test
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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Pregnenolone Test

  • Test
A pregnenolone test is usually used along with other tests involving hormones to diagnose rare forms of congenital adrenal hyperplasia (CAH) in infants.
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