Which lab studies are indicated in the workup of TMJ syndrome?

Updated: Jun 02, 2020
  • Author: Vivian Tsai, MD, MPH, FACEP; Chief Editor: Herbert S Diamond, MD  more...
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No laboratory studies are specifically indicated to rule in temporomandibular joint (TMJ) syndrome; however, appropriate laboratory samples may be drawn to help rule out other disorders, as follows:

  • Complete blood count (CBC), if infection is suspected
  • Calcium, phosphate, or alkaline phosphatase, for possible bone disease
  • Uric acid if gout is suspected
  • Serum creatine and creatine phosphokinase, indicators of muscle disease
  • Erythrocyte sedimentation rate if temporal arteritis is suspected
  • Rheumatoid factor if rheumatoid arthritis is suspected

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