Fibromyalgia can serve as a diagnosis.
Fibromyalgia and numerous chronic pain conditions frequently coexist
 Fibromyalgia could be misdiagnosed in cases of early undiagnosed rheumatic diseases such as preclinical rheumatoid arthritis, early stages of inflammatory spondyloarthritis, polymyalgia rheumatica, myofascial pain syndromes and hypermobility syndrome

