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Test Compendium

3055: VITAMIN B12

Test Code

  • 3055

Test Synonym

  • COBALAMIN, VIT B12

Volume

  • 1 mL

Minimum Volume

  • 0.2 mL

Specimen Requirements

  • Serum

Container

  • Serum Separator Tube, Transfer Tube- Serum, Plain Red Top Tube

Storage

  • Refrigerated

Turn Around Time

  • 1 day

Special Instructions

  • 3 mL SERUM

Specimen Stability

  • Stable for 2 days at 2-8 °C, 2 months at -20 °C. Freeze once only. Protect from light. Stability of serum obtained with separating tubes: 24 hours at 2-8 °C

Reference Range

  • Fasting Sex Message Lines Ref Ranges Unit of Measure
    211 - 946 pg/mL