Patient should fast for 12-15 hours prior to collection. Vitamin B12 supplements should not be administered within 72 hours of drawing blood for this test.
Serum separator tube or plain red.
Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.1 mL)
After separation from cells: Ambient: 6 hours; Refrigerated: 1 week; Frozen: 1 month
This assay measures the unsaturated binding capacity of serum for vitamin B12.
No compliance statements are in use for this test.
|Component Test Code*||Component Chart Name||LOINC|
|0070260||Vitamin B12 Binding Capacity||2171-7|
- B12, B12B