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ARKA Clinical Decision Support is designed to meet all four criteria for Non-Device CDS under FD&C Act §520(o)(1)(E) and FDA's January 2026 final guidance on Clinical Decision Support Software. Recommendations support, not replace, the clinician's judgment. Every recommendation is anchored in a published guideline or peer-reviewed source, with the basis available for independent review. CLIN emphasizes imaging appropriateness at order entry.
This recommendation is intended to support, not replace, clinical judgment. It is generated by ARKA, software designed to meet the four criteria for Non-Device Clinical Decision Support under FD&C Act §520(o)(1)(E) and FDA's final guidance on Clinical Decision Support Software (January 2026). The clinician is responsible for the final decision.
AIIE Evidence
Weight-bearing radiographs for chronic knee OA — MRI adds cost and incidental meniscal findings without changing guideline-based management.
Chronic degenerative knee pain is evaluated with weight-bearing radiographs. MRI in established osteoarthritis is a recognized low-value order: it nearly always shows meniscal signal that does not change management, and arthroscopy for degenerative disease lacks benefit.
The AIIE synthesis above is ARKA-authored; the sources below are the underlying external literature.
Osteoarthritis and Cartilage · 2019doi:10.1016/j.joca.2019.06.011
BMJ · 2017doi:10.1136/bmj.j1982
New England Journal of Medicine · 2013doi:10.1056/NEJMoa1301408
