Days Set Up
Daily, 24 hours
Analytic Time

4 hours

MiChart Code
Vitamin B12
Soft Order Code
VB12

Test Updated:

Synonyms

B12
VITB12
VITAMIN B12
VITAMIN B12 LEVEL
Cobalamins

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All specimens should be accompanied by a requisition.

Submitting Specimens

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MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Chemiluminescent Immunoassay (CLIA)

Test Usage

Detection of B12 deficiency as in pernicious anemia or neurologic disease or the elevation of B12 as seen in hepatic cell damage or myeloid leukemia.

Reference Range

211 - 911 pg/mL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect specimen in SST tube. Avoid hemolysis of specimen. Centrifuge, aliquot serum into a plastic vial and freeze (preferred). Specimens may be stored refrigerated for up to 48 hours. Grossly hemolyzed samples are not acceptable for analysis.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum

Billing Information

CPT Code
82607
Pro Fee Code
 
LOINC
2132-9

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.