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Vitamin B7 (Biotin) Blood Test in Columbus, OH

  • CLIA Certified Labs
  • Best Price
  • Digital Report

Vitamin B7, also referred to as Biotin, is necessary for metabolism and hormone production.

  • Sample Type: Blood
  • Results: 3-25 days
  • Age: 18+

The Vitamin B7 Blood Test works by collecting a blood sample and measuring the levels of vitamin B7 within that sample. Your body does not produce B vitamins on its own. Biotin, and other B vitamins, are ingested through foods such as meat, fish, eggs, seeds, nuts, and certain vegetables (such as sweet potatoes, spinach, and broccoli), or through supplements.

No special preparation required.

Quest test codes: 391

$255

+ service fee

Price does not include the Physician Service Fee () and the Lab Collection Fee ($9). These non-refundable fees cover the ordering and oversight of lab tests and follow-up services when appropriate.

Next availability

Provided by Quest Diagnostics

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4.7 rating

How does it work?

  • Order Tests Online

    No doctor visit required for purchase. Choose from a wide range of panels and tests. Pay online with a credit or debit card — no insurance needed.

  • Go to the Lab for Sample Collection

    Complete your test sample collection during your scheduled appointment.

  • Get Fast Results Online

    We will email you when your results are ready. Access your Confidential Lab Record by logging in to your account. There you can view, save and print your results.

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Frequently Asked Questions

Your provider may order this test to screen for a vitamin B7 deficiency, malnutrition, or possible malabsorption disorders such as Celiac disease, Crohn’s disease, or cystic fibrosis. 

Your provider may wish to order a Vitamin B7 Blood Test if you’ve exhibited symptoms of B7 deficiency, including:  

  • hair loss
  • muscle pain
  • fatigue
  • a red rash around the eyes, nose, mouth, and genital area 

A Vitamin B7 Blood Test may also be ordered to monitor pregnant women or people with malabsorption disorders. You cannot take a Vitamin B7 Blood Test at home — this test can only be administered by a medical professional at a licensed testing facility. 

Once you receive the results of your test, you will need to consult with your provider. Only a medical professional can advise you on the results of your Vitamin B7 levels and help you develop a treatment plan if necessary. 

People with health conditions that impact how the body absorbs nutrients or who are on certain medications can be at risk of developing a vitamin B7 deficiency at any age. It is rare for a healthy person eating a balanced diet to suffer from vitamin B7 deficiency.

There are no specific requirements to prepare for a Vitamin B7 Blood Test, but your provider may advise you to discontinue taking Biotin supplements for a few days before testing. Your provider will draw a blood sample from a vein in your arm. Vitamin B7 Blood Test results typically take 6-12 business days to process. 

The cost of a Vitamin B7 Blood Test listed on Tripment Health is transparent and final – you will never be asked to pay additional fees at the testing facility, or receive a surprise bill down the road. 

Tripment Health has partnered with nearly 7,000 lab test facilities across 48 states. Finding a Vitamin B7 Blood Test, current procedural technology (cpt) code 391, is easier than ever. Add the lab tests you need to your cart, then select a testing facility conveniently close to you. 

No, there are no fasting requirements for this test.