Vitamin B12, Serum

Methodology: Electrochemiluminescence

Specimen Requirements: 1 yellow-top SST tube (minimum: 1.0 mL of serum) drawn following an overnight fast of 8-10 hours. Centrifuge SST 30 minutes after draw. Send specimen refrigerated in plastic vial.

NOTE: Specimen may be used if kept refrigerated and analyzed within 48 hours. If testing is delayed greater than 48 hours, freeze serum.

Analytical Time: 1 day

Days Set Up: Monday through Sunday

CPT Information:
82607 –

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