November 2017: Changes to Vitamin B12 (B12) Testing

Special Communication

Changes to Vitamin B12 (B12) Testing

Effective December 7, 2017.

Stability

Ambient:
24 hours

Refrigerated: 
24 hours

Frozen: 
2 months – freeze once and protect from light

Reference Range

232 – 1245 pg/mL

If you have any questions about this change, please contact Client Services for assistance.