Which conditions meet the criteria for a definitive diagnosis of fibromyalgia?

Updated: Apr 23, 2020
  • Author: Chad S Boomershine, MD, PhD, CPI, CPT; Chief Editor: Herbert S Diamond, MD  more...
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A patient is diagnosed with fibromyalgia if the following three conditions are met:

  1.  The WPI score is 7 or higher and the SS scale score is 5 or higher or the WPI is 3-6 and the SS scale score is 9 or higher
  2. The symptoms have been present at a similar level for at least 3 months
  3. The patient does not have another disorder that would otherwise explain his or her pain

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