Vitamin B12 details

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Vitamin B12

Labcorp

Broadest draw-site network nationwide.

Sample type: Serum
Avg. sample processing time: 2 Business days
Require fasting: No

BiomarkersLabcorp biomarkers

Vitamin B12 A vitamin essential for nerve function and red blood cell production. Low levels can cause fatigue, neurological symptoms, and a type of anemia.

$15.49

Vitamin B12

Quest Diagnostics

Same-day appointments in most metros.

Sample type: Serum
Avg. sample processing time: 5 Business days
Require fasting: No

BiomarkersQuest Diagnostics biomarkers

Vitamin B12 A vitamin essential for nerve function and red blood cell production. Low levels can cause fatigue, neurological symptoms, and a type of anemia.

$6.99

Description

Vitamin B12 is a water-soluble vitamin essential for red blood cell production, neurological function, and DNA synthesis. It is commonly assessed to investigate fatigue, neuropathy, cognitive issues, or megaloblastic anemia.

Included biomarkers

Biomarkers

Vitamin B12 A vitamin essential for nerve function and red blood cell production. Low levels can cause fatigue, neurological symptoms, and a type of anemia.

Preparation

Labcorp

Must draw before Schilling test, transfusions, or starting B12 therapy.
Fasting for 12 hours before your blood draw is preferred but not required.
Fasting before a blood draw means you don't eat or drink anything except water.
Your doctor should provide any special instructions related to fasting for your test. Always follow your doctor's instructions.

Quest Diagnostics

Quest Diagnostics lists no special preparation for this test.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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