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Opioid Testing

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Getting tested for opioid use? Opioid testing detects evidence of both illegal and prescription opioids. Learn more about opioid testing in our guide.
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Marijuana (THC) Testing

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Drug testing for marijuana is ordered by employers and other organizations. Learn about how long marijuana stays in your body and how testing is conducted.
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Erythropoietin

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Erythropoietin (EPO) is a hormone made by the kidneys that plays a key role in production of red blood cells. An EPO test can help diagnose the cause of anemia or help identify people who need EPO replacement therapy.
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Cortisol Test

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A description of the Cortisol test - what it tests for, when to get one, and what your next steps may be.
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First Trimester Screening

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The first trimester prenatal screening includes tests that assesses the risk that a fetus has a chromosome disorder such as Down syndrome.
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Antidiuretic Hormone (ADH)

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Antidiuretic hormone (ADH) or arginine vasopressin (AVP) helps regulate water balance in the body. An ADH blood test measures your level to detect too much or too little ADH and, with other tests, help determine the cause.
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Albumin Blood Test

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A description of the Albumin test - what it tests for, when to get one, and what your next steps may be.
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Transfusion Medicine

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Learn about transfusion medicine and blood banking. Transfusion medicine is the branch of medicine that is concerned with the process of collecting (donation), testing, processing, storing, and transfusing blood and its components. It is a cornerstone of emergency and surgical medicine. Blood banks are sections of clinical laboratories that process, test, and distribute blood and its components.
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Nicotine and Cotinine Test

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Nicotine and cotinine tests detect evidence of nicotine in the body. Learn more about when these tests may be used and how to understand your test results.
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