ARUP's Laboratory Test Directory

Vitamin B12 Binding Capacity : 0070260

Mnemonic: B12B

Methodology: Radioimmunoassay
Performed: Mon, Thu
Reported: 1-5 days
Specimen Required: Collect:  One 4 mL serum separator tube.

Transport:  1 mL serum at 2-8°C. (Min: 0.1 mL)  Submit specimen in an ARUP Amber Transport Tube.

Pediatric Collection/Transport:  0.1 mL serum at 2-8°C.

Remarks:  Protect from light during collection, storage, and shipment. 

Stability:  After separation from cells: Ambient: 2 hours; Refrigerated: 4 days; Frozen: 1 week
Reference Interval:
800-2600 pg/mL
Interpretive Data: This assay measures the unsaturated binding capacity of serum for vitamin B12.
CPT Code(s): 82608
 
 

 

 

 
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