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Vitamin B12 and Folate

Icon & Photos

Mint Green Top (Lithium Heparin Gel)

Specimen Requirements

Preferred:
Container/Tube: Mint Green Top (Lithium Heparin Gel)
Minimum Volume: 1.0 mL 
Collection Instructions: Centrifuge within 2 hours
Also Acceptable:
Container/Tube: Gold Top (SST-Gel)

Specimen Stability

Ambient: 8 hours
Refrigerate: 48 hours
Frozen: aliquot for longer storage

Reference Range

BVH Lab:
Vitamin B12: 180-914 pg/mL
Folate: >5.9 ng/mL

Methodology

Chemiluminescent Immunoassay

CPT

82746
82607

Test Alias

B12FO