Folic Acid, Erythrocytes
Red Cell Folate
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Note that red cell folate levels provide no additional information beyond that provided by serum folate in virtually all situations; MLabs recommends the Folic Acid, Serum assay for detection of folate deficiency or monitoring folate therapy.
280 - 791 ng/mL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in a lavender top tube. Send intact EDTA whole blood, refrigerated or frozen; do not spin or aliquot. If specimen is submitted frozen, include a Hematocrit result from a specimen drawn within 24 hours of the RBC Folate specimen.