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Test Code FOL FOLATE

Important Note

The results of this assay can be falsely elevated due to the consumption of Biotin. Patients should discontinue the use of vitamins or supplements that contain Biotin 12 hours before blood draw. See Resources for more information

Additional Codes

LAB69

Performing Laboratory

Porter Hospital Laboratory

Specimen Requirements

Specimen Type: Blood
Container/Tube: Tiger top, serum gel
Specimen Volume: Full tube, submit 0.5 mL serum
Specimen Minimum Volume: 0.35mL
Collection Instructions:
   1. Send specimen in original tube.
   2. If there is a delay in transport of >1 hour, centrifuge tube.
   3. Sample must be spun within 2 hours of collection.
   4. Centrifuged samples are stable for:
          • 5 days at 2 – 8°C

Specimen Transport Temperature

Refrigerated

Test Schedule / Analytical Time / Test Priority / Turn Around Time

Daily / 24 hours / Not Available STAT / Routine - 4 hours

Normal Reference Values

> 3.0 ng/mL

Critical Values

None

Additional Information

Serum – Spin within 2 hours of collection.

Sample can not be hemolysed.

Test Classification and CPT Coding

82746