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Vitamin B12 & Folate Blood Test

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Feature Labcorp Quest Diagnostics
Price $30.99 $15.99
Results in ~2 business days ~5 business days
Sample type Blood Serum Blood Serum
Require fasting No No

About the test

Vitamin B12 & Folate are two essential B vitamins critical for red blood cell formation, DNA synthesis, and neurological function. Testing both helps evaluate causes of anemia, fatigue, or cognitive changes, and is important in assessing overall methylation and metabolic health.

Included biomarkers & Reference ranges

Biomarker Reference range
Folate Vitamin B9, needed for cell division, DNA synthesis, and red blood cell production. Low levels can cause a type of anemia and are important in pregnancy. 5.5โ€“27 ng/mL
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. 200โ€“1100 pg/mL

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

How it works

  1. 1. Order online No referral or insurance
  2. 2. Get a requisition By email in 24โ€“72 hours
  3. 3. Visit a draw center Bring a matching photo ID
  4. 4. Get results Securely by email
  1. 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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