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Serum Folate

Source Blood
Mnemonic SFOL
Specimen Requirements

1 x 3.5 mL gold top SST tube
0.5 mL serum

PSC only: 1 x 5 mL orange top RST tube is acceptable within one hour of lab closing.

Minimum Whole Blood Volumes for Microcollections

Specimen Handling
Additional Information Red Cell Folate is discontinued and replaced with Serum Folate.
Testing Location Immunochemistry
Testing Frequency Monday - Friday
Alternate Name(s) Folate - Serum
Reference Interval >12.0 nmol/L

The serum folate reference interval represents levels after an overnight fast.