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 Serum/Plasma

Test Code
B12


CPT Codes
82607

Preferred Specimen
Light Green (Lithium) Gel or Gold Top Tube


Specimen Stability
2 days


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

Hemolysis, extended exposure to light




Report Available
Same Day


Clinical Significance
In vitro diagnostic test for the quantitative measurement of vitamin B12 in human serum, used in the diagnosis of B12 deficiency.  Vitamin B12 deficiency is a cause of megaloblastic anemia, and may lead to abnormal neurologic symptoms.  Folic acid, methylmalonic acid, and homocysteine levels may aid in specifying the diagnosis.




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.