FOLATE, SERUM

Mnemonic

FOL

Synonym

Folate - Folic Acid

Specimen Collection Requirements

Collect

Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube

Handling

Allow serum to clot at room temperature (minimum: 30 minutes). Centrifuge and separate serum from cells within 2 hours of collection. Protect from >4 hours of light exposure.

Preferred Volume

1.0 mL

Minimum Volume

0.5 mL

Transport

Frozen at or below -20°C, protect from > 4 hours of light exposure.

Rejection Criteria

Any visable hemolysis; Plasma

Specimens exposed to light >4 hours.

Stability

AFTER SEPARATION FROM CELLS: Ambient (20-25C): 2 hrs; Refrigerated (2-8C): 24 hrs original tube, 48 hrs false-bottom tube; Frozen (-20C): 28 days

Testing Information

Performed

Sun - Fri

Method

Chemiluminescent Immunoassay

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

Normal: >5.21 ng/mL

CPT Codes

82746

Last Updated: Monday, February 20, 2017 12:41:39 PM