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CPE-011 · Etiologic patterns
AN-10: Iron-deficiency pattern
Iron-deficiency pattern. Evaluates anemia present.
Active rulePriority 3Anemia engine v1.0.0
Condition
- anemia present
- ferritin < 30 ng/mL (or < 100 with inflammation) with transferrin saturation < 20%
- usually microcytic
What it reports
- Pattern compatible with iron deficiency: see the Iron Deficiency Pattern Engine
Recommended next steps (for physician review)
- Establish the source of iron loss or poor absorption
Diagnostic boundary
- Cause still to be found.
Evidence
- EV-CAMASCHELLA-2015Camaschella C. Iron-deficiency anemia. N Engl J Med. 2015;372(19):1832-1843.Supports: Iron deficiency and anemia of inflammation
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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