VITAMIN B12

Message

Centrifuge within 2 hours of collection.

Test Code

B12N

CPT Codes
82607

Preferred Specimen

1 Red tube

Minimum Volume

0.2 mL

Other Acceptable Specimens

Gold tube (serum separator) or
Green tube (Lithium Heparin)

Instructions

Centrifuge for complete separation of serum and red cells within 2 hours. Transfer serum into an aliquot (transfer) tube if gel separator is not used.

Transport Temperature

Refrigerate

Specimen Stability

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

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

Improper storage temperature

Methodology
Chemiluminescent immunoassay

Setup Schedule

M, T, W, Th, F, Sa, Sun

Report Available

Within 24 hours of receipt at the performing laboratory.

Reference Range

180 - 914 pg/mL

Clinical Significance

This test aids in the diagnosis or monitoring of anemia.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NCHB2 (Chemistry, Beckman DxI)

Last Updated: June 9, 2023

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.