Vitamin B12 Binding Capacity

Abbrev Code:VB12BC   
Order Code:LAB6068Order Name:Vitamin B12 Binding Capacity
Synonyms:B12 Binding Capacity
CPT Codes: 82608 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-5 days.

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:0.4 mL
Container:Red or gold (gel)
Alternate Containers: Red (no gel)
Patient Preparation:Patient should be fasting for 12-15 hours prior to collection. Vitamin B12 supplements should not be administered within 72 hours of drawing blood for this test.
Causes for Rejection:Plasma

Processing and Shipping

Specimen Processing:Centrifuge ASAP and aliquot 1 mL, 0.1 mL minimum. Each vitamin level requested requires a separate aliquot tube. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation from cells: 6 hours at room temperature; 1 week refrigerated; 1 month frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:70260


Reference Range:800-2600 pg/mL
Use:This assay measures the unsaturated binding capacity of serum for vitamin B12.

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