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General Information:

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Mayo Clinic Laboratories

Test Code LAB0230284 Folate, Plasma

Methodology

Chemiluminescent Microparticle Immunoassay

Useful for the work-up of deficiencies seen in megaloblastic anemias

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

Precautions: Do not order on patients who have recently received methotrexate or other folic acid antagonist.

Specimen Type: Plasma

Container/Tube:

Preferred:  Green top (Lithium heparin/ PST)

Acceptable:  Serum (Red top,  Gold/SST) Label specimen appropriately.

Specimen Volume: 0.5 mL

Minimum Volume: 0.25 ml

Collection Instructions: Fasting (8 hour)

Specimen Transport Temperature

Refrigerated/Frozen

Reference Values

7.2-15.4 ng/ml

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

82746