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VITAMIN B12

Test Code
VITB12 (OE), VB12 (LAB)


CPT Codes
82607

Preferred Specimen
1 Red tube


Patient Preparation
None

Minimum Volume
0.5 mL


Other Acceptable Specimens
1 Gold tube (SST)


OR

1 Green tube (Lithium Heparin)

OR


Instructions
Centrifuge for complete separation of suerm or plasma from red cells WITHIN 2 HOURS. Transfer serum or plasma into an aliquot tube.  


Transport Container
Transfer tube


Transport Temperature
Refrigerate


Specimen Stability
  • 2-8°C up to 7 days
  • 15-30°C up to 8 hours
  • Frozen samples are stable


Methodology
Chemiluminescent Immunoassay (CIA)

Setup Schedule
M, T, W, Th, F, Sa, Su

As received; STAT testing is available


Report Available
Same day as received


Reference Range
180 - 914 pg/mL


Clinical Significance
Vitamin B12 is decreased in pernicious anemia, total or partial gastrectomy, malabsorption and certain congenital and biochemical disorders.


Performing Laboratory
Alverno Central Lab



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.