Mid-Atlantic · Vitamin B12 Deficiency Test

Vitamin B12 Deficiency Test in Washington DC

Vitamin B12 Deficiency Test is a laboratory test you can request directly. This blood test measures the amount of vitamin B12 in your body to help identify a deficiency.

Typical turnaround1-3 business days
Price range$35
PreparationFollow the lab's instructions.
Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

Vitamin B12 is an essential nutrient that supports nerve function and the creation of red blood cells. Low levels can lead to various health issues.

What it measures

  • Vitamin B12 — reflects the amount of vitamin B12 available in your blood

What the test involves

This test requires a blood sample, which is typically collected through a standard venipuncture procedure at a laboratory.

Why it is often ordered

A clinician may order this test if you have symptoms suggestive of a vitamin B12 deficiency or if you have certain medical conditions that affect nutrient absorption.

Preparation

Please follow any specific preparation instructions provided by the laboratory where you will be having your blood drawn. Some labs may require you to fast before the test.

How results are reported

Your results will indicate the level of vitamin B12 detected in your blood. Reference ranges, which are the expected values for healthy individuals, vary between laboratories.

Before you go

  • Fasting requirements
  • Specific collection site hours
  • How to receive your results

Cities

Vitamin B12 Deficiency Test in Washington DC communities

Choose your city for local context and to request this test.