A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Vitamin B12 (Cobalamin)

Test Code
927


CPT Codes
82607

Preferred Specimen
1 mL serum


Minimum Volume
0.5 mL


Other Acceptable Specimens
Amber vial


Transport Container
Serum Separator Tube (SST®)


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 7 days
Rrefrigerated: 7 days
Frozen: 28 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolysis



Methodology
Immunoassay (IA)

Setup Schedule
6: 00 a. M. , 10: 00 a. M. , 2: 00 p. M. , 6: 00 p. M. Tues-sat


Report Available
1-3 days


Reference Range
≤4 Years Not established
5-9 Years 250-1205 pg/mL
10-17 Years 260-935 pg/mL
>17 Years 200-1100 pg/mL


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


Performing Laboratory
Quest Diagnostics Nichols Institute
27027 Tourney Road
Valencia, CA 91355-5386




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.