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Blood Tests Directory
Blood tests are laboratory tests that analyze various parts of your blood. The blood is usually extracted from a vein or from a finger tip via a finger prick. The blood tests can analyze physiological and chemical balances in the body and can determine types of diseases a person may have, how effective drugs are and organ function.
Medical Reference
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The Prostate-Specific Antigen (PSA) Blood Test
The prostate specific antigen (PSA) test is used to measure blood PSA levels and help detect prostate cancer or other prostate abnormalities. Learn more about the PSA blood test at WebMD.
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What Is an Aspartate Aminotransferase (AST) Test?
An aspartate aminotransferase (AST) test can show whether you have a liver disease or injury. Learn how this test works and how it can help your doctor diagnose you.
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What Is an Alkaline Phosphatase Test?
Alkaline phosphatase (ALP) is one kind enzyme found in your body. If you show signs of liver disease or a bone disorder, your doctor may want you to get an ALP test to diagnose the problem.
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What Is an Alanine Aminotransferase (ALT) Test?
An alanine aminotransferase (ALT) test can show whether you have a liver disease or injury. Learn how this test works and how it can help your doctor diagnose you.