Aids in the detection of vitamin B12 or folate deficiency in individuals with macrocytic or unexplained anemia, or unexplained neurologic disease.
Quantitative Chemiluminescent Immunoassay
Within 24 hours
Serum separator tube. Also acceptable: Green (sodium or lithium heparin).
Protect from light during collection, storage, and shipment. Allow serum to clot completely at room temperature before centrifuging. Transfer 2 mL serum or plasma to an ARUP Amber Transport Tube. (Min: 0.5 mL)
EDTA plasma. Hemolyzed or refrigerated specimens exposed to light for more than 24 cumulative hours.
After separation from cells: Ambient: 2 hours; Refrigerated: 8 hours; Frozen: 3 months
|Component Test Code*||Component Chart Name||LOINC|
- B12 & Folate
- B12/Folate, Serum
- Folate & Vitamin B12
- Folate and Vitamin B12
- Folic Acid
- Vitamin B9