Vitamin B12

What this laboratory test evaluates

DetailsVitamin 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.

What type of sample is required for this test?Serum

Test ResourcesFor more information, please consult your healthcare provider.

Additional test information

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.

Collection and processing

• Sample type: Serum
• Fasting: No
• Estimated laboratory processing: Results should arrive 1 – 2 business days after the lab receives samples.

How Sunridge uses laboratory information

Sunridge considers the medical question, symptoms, history, medications, prior results, and whether the finding could change care before recommending testing. A laboratory result is not interpreted in isolation and does not establish a diagnosis by itself.

Before requesting this test

Availability, collection requirements, eligibility, and processing estimates can change. Sunridge reviews each request and, when appropriate, creates the order through Fullscript. Follow the current instructions supplied with the approved order.