Vitamin B-12 Blood Test
What’s Being Tested:
- Vitamin B12 (Cobalamin)
Fasting:Â No
Specimen: Blood, Serum (Draw Location | How It Works | FAQs)
Turnaround time:Â 5-7 Business Days
Important Notes:
- This test cannot be collected in NY, NJ, MA, and RI. Contact us with questions.