Erythrocyte Protoporphyrin, Free
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Free erythrocyte protoporphyrin (FEP).
To assist in diagnosing anemias related to chronic disease, hemolysis, iron deficiency, and lead toxicity.
Whole blood collected in a lavender-top (EDTA), royal blue-top (EDTA), or a pink-top (EDTA) tube.
|Conventional Units||SI Units (Conventional Units × 0.0178)|
|Less than 30 mcg/dL||Less than 0.534 micromol/L|
|Less than 40 mcg/dL||Less than 0.712 micromol/L|