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Vitamin B12

Test Code
B12


Preferred Specimen
2 mL serum (1.0 minimum)


Instructions
Patient must be fasting 8 - 10 hours. Avoid hemolysis.


Transport Container
SST Tube


Transport Temperature
Ambient


Specimen Stability
Stability of serum obtained with separating tubes: 24 hours at 2-8 °C, is aliquotted 2 days at 2-8 2 months at -20 °C. Freezeonce only. Protect from light.(Patient should be Fasting)




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.