Sedimentation Rate, Modified Westergren

$30

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Quest Diagnostics Test Code: 809

The erythrocyte sedimentation rate (ESR) test is used for detecting inflammation.

Erythrocyte sedimentation rate (ESR) is a test that is used to measure the rate at which red blood cells “fall” to the bottom on a vertical test tube and settle at the bottom. Normally, the red blood cells fall slowly, but when there is inflammation or infection, this value is increased. When there is inflammation, there is production of acute phase reactants, which are a type of protein. These cause the blood sample to be “heavier”. This is a non-specific test which is good for detecting inflammation.

This test is performed in following conditions such as:

• Suspected inflammation in the body
• Arthritis
• Inflammation and pain in the joints
• Inflammatory bowel disease
• Polymyalgia rheumatica
• Systemic vasculitis
• Temporal arteritis

Also Known As: ESR, Erythrocyte Sed Rate

Requirements

The ESR test has no fasting requirements. Specimens for this test need to arrive at the lab within 24 hrs. Specimens drawn at Dynacare, a 3rd party lab which works with Labcorp, or other 3rd party draw sites may not be able to reach the lab in time for testing to be performed.

$30

Specimen Collected
  • Blood
Estimated Time Taken

Turnaround time for the ESR test is typically 1 business day.

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