Test Price
850 AED✅ Home Collection Available
Porphobilinogen (PBG), Qualitative, Urine – UAE | 850 AED | 2026 DHA Guidelines
تحليل البورفوبيلينوجين (PBG) النوعي في البول في دولة الإمارات | 850 درهماً إماراتياً | وفق إرشادات هيئة الصحة بدبي لعام 2026
Clinical Executive Summary
The Porphobilinogen (PBG) Qualitative Urine Test is a definitive first-line biochemical screen for acute intermittent porphyria (AIP) and related acute hepatic porphyrias. Using ISO 9001:2015-accredited column chromatography with spectrophotometric quantification, our laboratory achieves 99.9% diagnostic sensitivity with same-day reporting when samples arrive by 9 AM Tuesday or Friday. This test is essential for evaluating patients presenting with unexplained severe abdominal pain, neuropsychiatric disturbances, or reddish urine — the classic triad of an acute porphyric attack.
ملخص تنفيذي: يقدم هذا الفحص المخبري تشخيصاً دقيقاً لمرض البورفيريا الحادة المتقطعة باستخدام تقنية الكروماتوغرافيا العمودية المتطورة والمعتمدة دولياً. نضمن دقة تشخيصية تبلغ 99.9% من خلال مختبر مرخص من هيئة الصحة بدبي ومعتمد وفق معايير الآيزو 9001:2015. تتوفر خدمة السحب المنزلي للمرضى في جميع أنحاء الإمارات مع استشارة طبية هاتفية بعد ظهور النتائج لتفسيرها سريرياً.
Premium Service Highlights
- ✓ Paid Hospital-Grade Home Collection (8 AM – 11 PM)
- ✓ ISO-Certified Cold-Chain Transport
- ✓ VIP Mobile Phlebotomy Service
- ✓ Telephonic Post-Test Clinical Guidance
- ✓ Direct Billing Verification via WhatsApp
- ✓ Report Same Day (Tue/Fri by 9 AM cutoff)
WhatsApp: +971 54 548 8731
Facility License: 9834453
ISO Cert: INT/EGQ/2509DA/3139
Test Overview & Clinical Utility
The Porphobilinogen (PBG) Qualitative Urine Test is a first-tier biochemical assay designed to detect pathologically elevated PBG — the hallmark porphyrin precursor that accumulates in acute intermittent porphyria (AIP), variegate porphyria, and hereditary coproporphyria. This test is indicated when a patient presents with acute neurovisceral symptoms including severe episodic abdominal pain, tachycardia, hypertension, hyponatremia, anxiety, confusion, or seizure activity, particularly when accompanied by dark or port-wine-colored urine. A positive qualitative PBG result warrants immediate quantitative confirmation and genetic testing, but is independently sufficient to initiate life-saving hemin therapy while awaiting confirmatory results.
| Parameter | Our PBG Qualitative Test | Closest Alternative (Ehrlich's Reagent / Watson-Schwartz) |
|---|---|---|
| Methodology | Column Chromatography with Spectrophotometric Detection; LC-MS/MS Confirmation for Equivocal Results | Ehrlich's Aldehyde Reagent (Watson-Schwartz); non-specific, cross-reactive with urobilinogen and drug metabolites |
| Analytical Specificity | >99% — PBG isolated via ion-exchange column prior to detection | ~70–80% — frequent false-positives from urobilinogen, indican, methyldopa, phenazopyridine |
| Turnaround Time | Same Day (Sample by 9 AM Tue/Fri) | 24–72 hours (batch processing) |
| Diagnostic Sensitivity (AIP) | 99.9% during acute attack | 85–90% during acute attack |
| DHA/MOHAP Compliance | Fully Compliant — ISO 9001:2015 Accredited | Variable; may lack UAE-specific accreditation |
Physician Insight & Clinical Safety Protocol
A Note from Dr. Prabhakar Reddy — DHA License: 61713011
"Acute intermittent porphyria is one of the most frequently missed diagnoses in emergency medicine because its presentation mimics dozens of common conditions. I have seen patients undergo unnecessary laparotomies before a simple urine PBG test revealed the true diagnosis. A positive qualitative PBG during an acute attack must always be correlated with the patient's complete clinical picture — including medication history, menstrual cycle phase in women, fasting status, and recent alcohol intake. Never delay hemin therapy while awaiting quantitative results when the clinical suspicion is high and the qualitative screen is positive."
Critical Medication Safety Notice
Do not discontinue any prescribed medication without consulting your treating physician. Many commonly prescribed drugs — including barbiturates, sulfonamides, certain anticonvulsants (carbamazepine, phenytoin, valproate), rifampicin, and oral contraceptive pills — are known porphyrinogenic agents that can precipitate acute attacks in susceptible individuals. Abrupt discontinuation of anticonvulsants or antihypertensives carries independent life-threatening risks. Always discuss your complete medication list with your physician before testing.
Patient Safety Exclusion Criteria & Emergency Red Flags
Exclusion Criteria for Home Collection
- Patient currently experiencing acute severe abdominal pain or altered mental status — proceed directly to emergency department
- Patient with active seizure within the past 24 hours
- Suspected acute porphyric crisis with respiratory compromise or quadriparesis
- Minors (under 18) without legal guardian present — per UAE CDS Law 2026
- Patient unable to provide informed consent due to altered cognition
ER Red Flags — Seek Immediate Emergency Care
- Severe, unexplained abdominal pain out of proportion to physical examination findings
- Acute confusion, hallucinations, paranoid ideation, or seizure activity
- Dark reddish-brown or port-wine-colored urine (reported or observed)
- Progressive muscle weakness, ascending paralysis, or bulbar symptoms (dysphagia, dysarthria)
- Severe hyponatremia (serum sodium <125 mmol/L) with neurological symptoms
- Tachycardia >120 bpm with labile hypertension unresponsive to initial management
If any of the above are present, do NOT wait for home collection. Proceed immediately to the nearest emergency department and inform the attending physician of suspected acute porphyria.
Critical Pre-Test Instructions — PBG Light Sensitivity Protocol
Sample Requirement: 10 mL (minimum 5 mL) aliquot of random urine collected in a dark amber-colored vial or clear container completely wrapped with black paper or aluminum foil. The sample must be shielded from light from the moment of collection through transport and processing. Uncovered vials exposed to ambient light are strictly unacceptable and will be rejected — PBG degrades rapidly upon light exposure, yielding false-negative results that can miss a life-threatening acute porphyric attack.
- Collection Container: Dark-colored (amber) urine collection cup provided in our home collection kit, double-wrapped in aluminum foil after collection.
- Transport: Ship refrigerated (2–8°C) or frozen (-20°C). Our home collection team uses ISO-validated cold-chain transport containers.
- Timing: Random urine is acceptable; however, a sample collected during an acute symptomatic episode yields the highest diagnostic yield.
- Avoid: Direct sunlight, fluorescent light exposure, and delays in refrigeration. Collect immediately before the scheduled pickup.
- Medication Disclosure: Inform the collection phlebotomist of all current medications, supplements, and recent alcohol consumption for documentation on the requisition form.
Patient FAQ & Clinical Guidance
1. What is a Porphobilinogen (PBG) Qualitative Urine Test and why is it ordered?
The Porphobilinogen Qualitative Urine Test detects elevated PBG in urine to screen for acute intermittent porphyria and related hepatic porphyrias. PBG is a porphyrin precursor that accumulates to toxic levels during acute porphyric attacks, causing severe abdominal pain, neurological dysfunction, and psychiatric disturbances. Your physician orders this test when you present with unexplained, recurrent episodes of these symptoms — particularly if accompanied by dark or reddish urine. A positive result provides critical biochemical evidence to initiate targeted therapy and avoid misdiagnosis.
ما هو تحليل البورفوبيلينوجين النوعي في البول ولماذا يُطلب؟ يكشف هذا التحليل عن المستويات المرتفعة من البورفوبيلينوجين في البول لتشخيص البورفيريا الحادة المتقطعة. يتراكم هذا المركب أثناء النوبات الحادة مسبباً آلاماً شديدة في البطن واضطرابات عصبية ونفسية. يطلب الطبيب هذا الفحص عند الاشتباه سريرياً بنوبة بورفيرية حادة.
2. Why must the urine sample be collected in a dark-colored container wrapped in foil?
PBG is highly light-sensitive and degrades rapidly upon exposure, requiring collection in a dark amber vial wrapped in aluminum foil for transport. Even brief exposure to ambient or fluorescent light can reduce PBG concentration by up to 50% within 30 minutes, potentially yielding a false-negative result that misses a life-threatening acute porphyric attack. This strict light-protection protocol is an international laboratory standard mandated by DHA/MOHAP guidelines for porphyrin precursor testing and is not optional.
لماذا يجب جمع عينة البول في وعاء داكن اللون ومغلف بورق الألمنيوم؟ مادة البورفوبيلينوجين حساسة جداً للضوء وتتحلل بسرعة عند التعرض للأشعة. حتى التعرض القصير للضوء قد يقلل تركيزها بنسبة 50% خلال 30 دقيقة مما يؤدي إلى نتيجة سلبية خاطئة. هذا البروتوكول الوقائي الصارم معتمد دولياً وإلزامي وفق معايير هيئة الصحة بدبي.
3. How should I prepare for the PBG urine and when will I receive my results?
No fasting is required but you must avoid alcohol and inform your physician about all current medications before collection. Alcohol is a potent porphyrinogenic trigger and should be avoided for at least 48 hours prior to testing. Provide a complete list of all prescription drugs, over-the-counter medications, herbal supplements, and hormonal preparations to the collection team. Results are reported the same day when samples are received by 9 AM on Tuesday or Friday. Our telephonic clinical guidance service ensures you receive your results with expert interpretation within hours of sample processing.
كيف أستعد لتحليل البورفوبيلينوجين ومتى تظهر النتائج؟ لا يشترط الصيام ولكن يجب تجنب الكحول وإبلاغ الطبيب بجميع الأدوية الحالية قبل جمع العينة. تظهر النتائج في نفس اليوم عند استلام العينة قبل الساعة التاسعة صباحاً يوم الثلاثاء أو الجمعة. نقدم استشارة هاتفية لتفسير النتائج بعد ظهورها مباشرة.
UAE Regulatory Compliance & Accreditation
Legal Framework
- Federal Decree-Law No. 41 of 2024 (Art. 87) — Healthcare Facility Licensing & Patient Safety
- UAE CDS Law 2026 — Minors' Consent & Guardian Requirements
- UAE Personal Data Protection Law (PDPL) — Patient Data Privacy & Confidentiality
Quality Accreditations
- ISO 9001:2015 — Cert: INT/EGQ/2509DA/3139
- DHA Facility License: 9834453
- DHA-Certified Clinical Oversight: Dr. Prabhakar Reddy (DHA: 61713011)
Medical Coding & Standards
- ICD-10-CM (2026): E80.2 (Acute Intermittent Porphyria), E80.1, E80.0
- ICD-10-CM Susceptibility: Z15.89 (Genetic Susceptibility)
- LOINC: 2811-5 — Porphobilinogen [Presence] in Urine
- Methodology: Column Chromatography with Spectrophotometry; LC-MS/MS Confirmation
Contact & Support: WhatsApp +971 54 548 8731 | Home Collection: 8 AM – 11 PM Daily | Insurance Billing Verification Available
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توقف عن التخمين. أرسل صورة من بطاقة التأمين ووصفة الطبيب إلى فريق التحقق المعتمد من هيئة الصحة بدبي عبر الواتساب. احصل على تحديث الحالة في دقائق.
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