Vitamin B6, Plasma
Quest Diagnostics
Sample type: Plasma
Requires fasting: Yes
Phlebotomy required
Details
Test is used to determine vitamin B6 deficiency or overdosage, for monitoring treatment, and to evaluate wellness and health.
- Vitamin B6
Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected
Vitamin B6, Plasma
This test is crucial for identifying Vitamin B6 levels in the body, helping to detect deficiencies or overdoses. It's also used to monitor treatment effectiveness and assess overall wellness and health.
This test is crucial for identifying Vitamin B6 levels in the body, helping to detect deficiencies or overdoses. It's also used to monitor treatment effectiveness and assess overall wellness and health.
What patients is this test right for?
This test is suitable for individuals who may be experiencing symptoms related to Vitamin B6 deficiency or those under treatment that requires monitoring of Vitamin B6 levels.
Symptoms of Vitamin B6 Deficiency:
- Mood changes, like irritability
- Confusion
- Weak immune system
- Skin conditions, such as rashes
- Mouth sores
- Tiredness and low energy
What type of sample is required for this test?
1 mL of frozen plasma collected in an EDTA (lavender-top) tube and must be protected from light.
Test Resources:
Information not provided.
3–5 business days
<18 years Not established
≥18 years 5.1–54.8 ng/mL
≥18 years 5.1–54.8 ng/mL
Overnight fasting is required.
- 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
Specimen
- Preferred Specimen(s): 1 mL frozen plasma collected in an EDTA (lavender-top) tube - protected from light
- Alternative: NA
- Minimum Volume: 0.5 mL
- Collection Instructions: NA
Storage and shipping instructions
- Transport Container: Amber transport tube
- Transport Temperature: Frozen
- Specimen Stability:
- Room temperature: 72 hours
- Refrigerated: 5 days
- Frozen: 14 days, -70° C: 42 days
- Reject Criteria:
- Hemolysis • Lipemia • Not protected from light
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
