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Test Code B12 Vitamin B12 Assay, Serum

Specimen Requirements

Draw blood in a gold top (serum) or green (plasma) top tube. Spin down and send 1 mL of serum or plasma refrigerated. Avoid hemolysis.

Specimen Stability

ROOM TEMP REFRIG 2-8 DEGREES CELSIUS FREEZE -20 DEGREES CELSIUS
2 HRS 48 HRS 56 DAYS

 

Performing Laboratory

Conway Regional Laboratory Services

Methodology

Chemiluminescence

Day(s) Test Set Up

Monday through Sunday

Available STAT

Reference Range

211-911 pg/mL

CPT Code

82607