4 hours
Test Updated:
Folate, Serum
FOL
FOLIC ACID LEVEL
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Test Overview
Chemiluminescent Immunoassay (CLIA)
Detection of folate deficiency or monitoring folate therapy.
Deficient: less than 3.0 ng/ml
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect specimen in an SST or red top tube. If analysis will be delayed more than 24 hours, centrifuge, aliquot serum into a plastic vial, and freeze. Hemolyzed specimens are inappropriate for analysis.
Collect specimen in an SST or red top tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. If analysis will be delayed more than 24 hours, freeze aliquot. Hemolyzed specimens are inappropriate for analysis.