Currently, there is no specific blood test to diagnose fibromyalgia. The diagnosis of fibromyalgia is typically made based on a person’s symptoms, medical history, and physical examination.
However, healthcare providers may order blood tests to rule out other conditions that can have similar symptoms to fibromyalgia, such as autoimmune disorders, thyroid problems, and vitamin deficiencies. These blood tests may include complete blood count (CBC), thyroid function tests, erythrocyte sedimentation rate (ESR), rheumatoid factor (RF), and antinuclear antibody (ANA) tests.
Additionally, researchers are exploring potential biomarkers for fibromyalgia, which may be detectable in blood tests in the future. However, these tests are not yet available for routine clinical use.