Erythrocyte sedimentation rate (ESR)

Key facts An erythrocyte sedimentation rate (ESR) blood test can be done to check for inflammation or infection in your body. ESR blood tests are non-specific, so are usually used along with other tests. There is no preparation needed for this test. It is important to speak with your doctor about your results. What is an erythrocyte sedimentation rate blood test? The erythrocyte sedimentation rate (ESR) blood test is often used to check for inflammation in your body. ESR blood tests are usually used with other tests. That’s because they are not specific, and do not show the cause or