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Juvenile Rheumatoid Arthritis 713.30


synonyms: JRA, juvenile idiopathic arthritis (JIA)


  • 714.30 Polyarticular juvenile rheumatoid arthritis, chronic, unspecified
  • 714.31 Polyarticular juvenile rheumatoid arthritis, acute

JRA Etiology / Epidemiology / Natural History

  • Peak onset =2-4y/o. 50% of children seak medical attention before age 4.
  • Knee most commonly affected followed by ankle/subtalar joints and then elbow.
  • Average disease duration = 2yrs 9months. 50% last <2yrs.

JRA Anatomy

JRA Clinical Evaluation

JRA Xray / Diagnositc Tests

JRA Classification / Treatment

  • Pauciarticular: patientes with fewer than 5 joints involved
  • Oligoarticular: high risk of uveitis, opthalmology consult indicated.

JRA Associated Injuries / Differential Diagnosis

JRA Complications

JRA Follow-up Care

JRA Review References

  • Griffin PP, JAMA 1963;184:23
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