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Test Code B12 Vitamin B12 Level

Important Note

Disclaimer: This assay has the potential to be falsely high in individuals who consume supplements containing biotin (commonly marketed as hair and nail supplements). Patients should not take these supplements for a minimum of 8 hours prior to blood collection.

Performing Location

Southwestern Vermont Medical Center

Specimen Collection Information

 Specimen  Min. Test Volume Collection Container Special Handling
Blood 0.1 mL Gold top
Marble Red top		  

Reference Ranges & Critical Values

Assay Gender Age Range Normal Range Critical Values Units
Vitamin B12 Lvl All 0 Minutes – 150 Years 232 -1245   pg/mL

Specimen Stability

2 days at 2-8°C

Day(s) Performed

Monday - Sunday

LOINC

2132-9

CPT

82607