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Vitamin B12 (Cobalamin)

Quest Diagnostics

Sample type: Serum

Requires fasting: No

Phlebotomy required

Details

B12 is decreased in pernicious anemia, total or partial gastrectomy, malabsorption and certain congenital and biochemical disorders.

  • Vitamin B12 (Cobalamin)

Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected

2–5 business days

  • Metabolic function
  • Nutrition
  • Neurological
Minimum age:

18

State restrictions:

Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island

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