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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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What is an Iron Blood Test?
An iron blood test can show whether you have too much or too little of this important mineral in your blood. Find out why your doctor might call for this test, and what the results mean.
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What Is a Cortisol Test?
Blood, saliva, and urine tests for cortisol: WebMD tells you what they do.
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What Is a Complete Blood Count?
Your doctor will probably order a complete blood count (CBC) as part of your yearly physical exam. Learn what this common test is and what your results mean.
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What Is the D-Dimer Test?
The D-dimer test is a quick way to check if you might have a serious blood clot. Learn about the test, when you would need one, and what the results can tell you.