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CPE-004 · Context triggers
ID-RLS-01: Restless legs and iron status
Restless legs and iron status. Evaluates restless legs symptoms documented.
Active rulePriority 5Iron engine v1.0.0
Condition
- restless legs symptoms documented
- ferritin ≤ 75 ng/mL OR transferrin saturation < 20% OR ferritin not measured
What it reports
- Iron status is relevant to restless legs: the IRLSSG uses ferritin ≤75 ng/mL and transferrin saturation <20% as the threshold to consider iron
Diagnostic boundary
- Does not diagnose restless legs syndrome or attribute it to iron.
Evidence
- EV-IRLSSG-2018Allen RP, Picchietti DL, Auerbach M, et al. Evidence-based and consensus clinical practice guidelines for the iron treatment of restless legs syndrome/Willis-Ekbom disease in adults and children. Sleep Med. 2018;41:27-44.Supports: Consider iron when ferritin is ≤75 µg/L or transferrin saturation is <20%
Cases where this rule fires
Open a case to see this rule fire with real inputs, then change the values until it stops.
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