How is reactive arthritis (ReA) diagnosed?

Updated: Dec 24, 2020
  • Author: Carlos J Lozada, MD; Chief Editor: Herbert S Diamond, MD  more...
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The diagnosis of reactive arthritis (ReA) is clinical, based on the history and physical examination findings. A high index of suspicion is required. No laboratory study or imaging finding is diagnostic of ReA. No specific tests or markers are indicated. Indicators of inflammation are usually abnormal.

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