The most widely accepted set of<unk><unk>  for fibromyalgia was developed in 2010 by the Multicenter<unk>  Committee of the American College of Rheumatology. A patient satisfies<unk><unk>  for fibromyalgia if the following 3 conditions are met:
Widespread pain index (WPI) > 7 and symptom severity (SS) scale score >5 or WPI 3–6 and SS scale score >9
Symptoms have been present at a similar level for at least 3 months
The patient does not have a disorder that would otherwise explain the pain
Fibromyalgia diagnostic criteria
Fibromyalgia classification
Fibromyalgia laboratory findings
Fibromyalgia epidemiology and demographics
Polymyalgia rheumatica epidemiology and demographics
Fibromyalgia physical examination
Ankylosing spondylitis epidemiology and demographics
Back pain epidemiology and demographics