This table shows the 2011 modification of the 2010 American College of Rheumatology Preliminary Diagnostic Criteria for Fibromyalgia. Criteria for the diagnosis of fibromyalgia include the following:
- Widespread pain index (WPI) >7 and symptom severity (SS) scale >5 or WPI 3 to 6 and SS scale >9
- Symptoms have been present for at least three months
- There is no other disorder that would explain the patient's symptoms
For further information, refer to UpToDate content on the diagnosis of fibromyalgia.
