Micronutrient, Vitamin B2
Quest Diagnostics
Sample type: Serum
Requires fasting: Yes
Phlebotomy required
Details
Vitamin B2 is involved in metabolism of fats, carbohydrates, and protein. The clinical manifestations of deficiency are non-specific. Clinical manifestations include mucocutaneous lesions of the mouth and skin, corneal vascularization, anemia, and personality changes.
- Vitamin B2 (Riboflavin)
Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected
This test checks for Vitamin B2 levels in the body, which is crucial for breaking down fats, carbohydrates, and proteins. Vitamin B2 deficiency can lead to various health issues, but the signs might not be specific. These issues include problems with the skin and mouth, changes in vision, feeling tired, and changes in mood.
- Mouth and skin issues
- Changes in vision
- Feeling tired
- Mood changes
What type of sample is required for this test?
Make sure it's protected from light.
2–5 business days
Reference range not available for individuals <18 years for this micronutrient test.
- 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.
Blood Draw Options with Fullscript
Fullscript offers several convenient phlebotomy options to complete your lab testing:
Quest Diagnostics Patient Service Centers (PSC)
- Location: Visit a nearby Quest Diagnostics Patient Service Center.
- Cost: $10 sample collection fee (paid during lab order checkout).
- Scheduling: Schedule your appointment here. Appointments are recommended to reduce wait times. Walk-ins are accepted, but may experience delays. Aim to arrive 10 minutes before your appointment.
- Collection Instructions:
- Bring a valid ID.
- Bring your digital or printed requisition form, available in the Labs tab of your Fullscript account.
- Check-in: Scan the QR code from your confirmation email or follow kiosk instructions.
- More Info: Quest Diagnostics blood draw guide
Getlabs Mobile Phlebotomy
- Location: Sample collection at your home or office.
- Cost: $85 sample collection fee (paid during lab order checkout).
- Availability: Available in most locations – enter your ZIP code during checkout to confirm.
- Scheduling: Schedule your appointment here through your Fullscript account.
- Collection Instructions:
- Have your digital or printed requisition form and valid ID ready.
- Your phlebotomist will contact you by phone to coordinate arrival.
- More Info: Getlabs blood draw guide
- Preferred Specimen(s): 1 mL frozen serum collected in a red-top tube (no gel) - protected from light
- Alternative: NA
- Minimum Volume: 0.5 mL
- Collection Instructions: NA
- Transport Container: Amber transport tube
- Transport Temperature: Frozen
- Specimen Stability:
- Frozen: 30 days
- Reject Criteria:
- Serum separator tube (SST)
Minimum age:
18
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
