Test Price
1,200 AED✅ Home Collection Available
Vitamin B6 (Pyridoxine) Test in UAE | 1200 AED | DHA Licensed Lab | DNA Labs UAE
Executive Summary & Core Metrics
- ✓ Accuracy Guarantee: 99.9% diagnostic sensitivity via ISO 9001:2015 accredited LC-MS/MS processing for plasma pyridoxal 5′-phosphate quantification.
- ✓ Premium Logistics: VIP Mobile Phlebotomy & Temperature-Controlled Cold-Chain Home Collection available daily from 8 AM to 11 PM. Light-protected specimen handling enforced.
- ✓ Clinical Guidance: Post-test telephonic consultation with a licensed General Practitioner for result interpretation and dietary recommendations.
- ✓ Insurance Verification: Direct billing confirmation via WhatsApp at +971 54 548 8731.
- ✓ Physician Oversight: Test interpretation supervised by Dr. Ajay Singh (General Practitioner, DHA ID: 36234132).
Core Metric – Turnaround Time: 2–3 weeks from batch processing. Samples must be received by the 7th of the month.
Core Metric – Specimen Requirement: 2 mL plasma (EDTA), light-protected, frozen within 3 hours of collection. Overnight fasting (10–12 hours) mandatory.
Core Metric – Methodology: LC-MS/MS (Tandem Mass Spectrometry) – gold-standard quantitation of pyridoxal 5′-phosphate at picomolar resolution.
Test Overview & Methodology
The Vitamin B6 (Pyridoxine) Test quantifies plasma pyridoxal 5′-phosphate (PLP), the biologically active coenzyme form of Vitamin B6 essential for amino acid metabolism, neurotransmitter synthesis, and immune function. This advanced LC-MS/MS methodology delivers unparalleled specificity compared to conventional immunoassays, establishing the gold standard for diagnosing pyridoxine deficiency, monitoring supplementation, and investigating unexplained neuropathies or anemias.
| Feature | Our Test (LC-MS/MS) | Standard Immunoassay / HPLC |
|---|---|---|
| Methodology | LC-MS/MS (Tandem Mass Spectrometry) | Colorimetric / HPLC-UV / Immunoassay |
| Diagnostic Sensitivity | 99.9% – Trace-level detection at picomolar resolution | ~75–85% – Cross-reactivity and interference risks |
| Turnaround Time | 2–3 weeks (batch processing; sample by 7th of month) | Typically 5–7 days (local labs only) |
| ISO Accreditation | ISO 9001:2015 (Cert: INT/EGQ/2509DA/3139) | Variable; often uncertified |
| Clinical Applicability | Gold standard – Nutritional disorders, neuropathy workup, supplementation monitoring | Screening only; limited quantitative accuracy |
Physician Insight & Safety Protocols
Dr. Ajay Singh (General Practitioner, DHA License: 36234132) notes:
"Vitamin B6 deficiency frequently presents with vague symptoms such as fatigue, mood instability, or skin changes that patients often attribute to everyday stress. I recommend this test as part of a thorough nutritional and neurological assessment rather than a standalone screen. When reviewed alongside clinical history and dietary patterns, PLP levels offer actionable insights for targeted supplementation and lifestyle modifications tailored to each patient."
⚠ Medication Advisory
Do not discontinue any prescribed medication without consulting your doctor. Certain drugs—including isoniazid, hydralazine, penicillamine, and some anticonvulsants—can alter Vitamin B6 metabolism. Inform your ordering physician of all medications and supplements you are currently taking before proceeding with this test. A temporary washout period may be recommended for high-dose pyridoxine supplements (48 hours prior).
Exclusion Criteria & Emergency Red Flags
Exclusion Criteria (Do NOT proceed with collection if):
- Patient is non-fasting (minimum 10–12 hours required)
- Sample cannot be protected from light during collection and transport
- Plasma cannot be separated and frozen within 3 hours of collection
- Previously frozen sample has been thawed
- Hemolyzed or lipemic specimen
- Recent high-dose pyridoxine supplementation within 48 hours (inform physician for guidance)
ER Red Flags – Seek Immediate Medical Attention:
- Acute onset of severe peripheral neuropathy or ataxia
- Unexplained generalized seizures
- Severe photosensitivity with blistering skin eruptions
- Profound confusion or altered mental status
- Signs of severe metabolic acidosis
- Sideroblastic anemia with rapid hemoglobin decline
Patient FAQ & Clinical Guidance
1. What does the Vitamin B6 (Pyridoxine) Test measure, and why is it ordered?
This test measures plasma pyridoxal 5′-phosphate (PLP), the biologically active coenzyme form of Vitamin B6 that supports over 100 enzymatic reactions. It is ordered to diagnose pyridoxine deficiency, evaluate unexplained peripheral neuropathy, assess nutritional status in malabsorption syndromes, monitor supplementation therapy, and investigate microcytic or sideroblastic anemias. Low PLP levels are also associated with elevated homocysteine, an independent cardiovascular risk factor.
2. Why is overnight fasting required, and how does light exposure affect my results?
Overnight fasting for 10–12 hours ensures an accurate baseline measurement of circulating PLP without dietary interference from recent meals or supplements. Pyridoxal 5′-phosphate is highly photolabile—ambient or artificial light rapidly degrades PLP, producing falsely low results. The sample must be wrapped in aluminium foil immediately upon collection and kept protected throughout transport and processing. Non-compliance with light protection is a leading cause of pre-analytical error in Vitamin B6 testing.
3. What do my results mean, and who should interpret them?
Your LC-MS/MS results report plasma PLP concentration in micrograms per litre (µg/L) or nanomoles per litre (nmol/L) with age- and sex-adjusted reference ranges. Values below 5 µg/L generally indicate deficiency; levels between 5–10 µg/L suggest insufficiency. Results must be interpreted by a licensed physician—ideally a General Practitioner, Nutritionist, or Functional Medicine Practitioner—who will correlate findings with your clinical presentation, medication history, and other laboratory parameters. Self-interpretation without clinical context may lead to inappropriate supplementation and potential neurotoxicity from excessive pyridoxine intake.
UAE Regulatory & Data Privacy Adherence
Regulatory Compliance Framework: This test and all associated data processing operate in full accordance with Federal Decree-Law No. 45 of 2021 on Personal Data Protection (PDPL) and Federal Law No. 2 of 2019 Concerning the Use of Information and Communication Technology in Health Fields. Clinical safety and patient consent protocols adhere to Federal Decree-Law No. 4 of 2016 on Medical Liability. All patient data is processed under UAE healthcare data sovereignty requirements with strict confidentiality controls.
Laboratory Credentials: ISO 9001:2015 Certified (Cert: INT/EGQ/2509DA/3139) | DHA Facility License: 1143 | Corporate Lab: DNA Labs UAE.
Clinical & Logistical Metadata
| Test Name | Vitamin B6 (Pyridoxine), Plasma – LC-MS/MS |
| Price (AED) | 1,200 AED |
| Turnaround Time | 2–3 weeks (batch processing; sample must be received by the 7th of the month) |
| Sample Type / Matrix | 2 mL plasma (EDTA), light-protected, frozen within 3 hours of collection. Overnight fasting (10–12 hours) mandatory. |
| Methodology Used | LC-MS/MS (Tandem Mass Spectrometry) – direct quantification of pyridoxal 5′-phosphate |
| ICD-10-CM Code | E53.1 (Pyridoxine deficiency) / Z13.21 (Nutritional disorder screening) |
| LOINC Code | 2131-5 (Pyridoxal phosphate [Mass/volume] in Serum or Plasma) |
| DHA Facility License & Address | License No. 1143 | Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE | DNA Labs UAE |
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