Why it's doneBy Mayo Clinic staff
Sed rate tests were used more frequently in the past than they are today because more-specific measures of inflammatory activity are now available. Today, the test is most often used if your doctor suspects you have:
- Giant cell arteritis
- Polymyalgia rheumatica
- Rheumatoid arthritis
A sed rate test can also help determine the severity of your inflammatory response and monitor the effect of treatment.
Because a sed rate test can't pinpoint the problem that's causing inflammation in your body, it's usually accompanied by other blood tests, such as the C-reactive protein (CRP) test.
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- Rakel RE. Textbook of Family Medicine. 8th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/das/book/body/191205553-4/0/1481/0.html#. Accessed May 13, 2013.
- ESR. Lab Tests Online. American Association for Clinical Chemistry. http://labtestsonline.org/understanding/analytes/esr/tab/glance. Accessed May 13, 2013.
- Sedimentation rate, blood. Mayo Medical Laboratories. Accessed April 11, 2013.