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Lab Tests for Fibromyalgia

Overview

There are no specific tests that can confirm a diagnosis of fibromyalgia. But you may have lab tests to rule out other diseases. Or these tests can find out if you have another disease along with fibromyalgia.

Fibromyalgia may occur along with other joint and muscle (rheumatic) diseases, such as rheumatoid arthritis. Finding these other conditions is important, because they may need different treatment.

If your doctor thinks that you may have another muscle or joint disease based on your symptoms, history, and physical examination, they may order more tests.

The test results may show that you have a disease other than fibromyalgia. Or you might have both fibromyalgia and another condition. Test results can be false-positive.

Doctors don't use these tests to diagnose fibromyalgia. You only need them if your medical history and physical examination suggest that you might have a condition other than fibromyalgia.

Related Information

Credits

Adaptation Date: 8/13/2021

Adapted By: Alberta Health Services

Adaptation Reviewed By: Alberta Health Services

Adapted with permission from copyrighted materials from Healthwise, Incorporated (Healthwise). This information does not replace the advice of a doctor. Healthwise disclaims any warranty and is not responsible or liable for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.