Test Price
100 AED✅ Home Collection Available
Oral Glucose Tolerance Test (OGTT) – 2.5 Hour Protocol in UAE | 100 AED | DHA Accredited
Executive Summary & Core Metrics
Our accredited medical centre delivers the Oral Glucose Tolerance Test (OGTT) – 2.5 Hour Protocol in full compliance with ISO 9001:2015 standards and DHA regulatory frameworks. The assay achieves 99.9% diagnostic sensitivity using the reference hexokinase method, supported by premium home collection logistics and integrated clinical guidance. Every procedure adheres to Federal Decree-Law No. 45 of 2021 on Personal Data Protection (PDPL), Federal Law No. 2 of 2019 Concerning the Use of Information and Communication Technology in Health Fields, and Federal Decree-Law No. 4 of 2016 on Medical Liability ensuring full privacy and safety protection.
- ✔Accuracy Guarantee: 99.9% Diagnostic Sensitivity via ISO 9001:2015 Accredited Processing (Cert: INT/EGQ/2509DA/3139).
- ✔Premium Logistics: VIP Mobile Phlebotomy & Temperature-Controlled Cold-Chain Home Collection daily from 8 AM to 11 PM.
- ✔Clinical Guidance: Telephonic Post-Test Clinical Guidance for result interpretation by DHA-licensed physicians.
- ✔Insurance: Direct Billing Verification via WhatsApp +971 54 548 8731.
Test Overview & Methodology
The Oral Glucose Tolerance Test (OGTT) – 2.5 Hour Protocol measures your body’s ability to metabolize glucose over an extended period, providing a precise diagnosis of diabetes, gestational diabetes, and prediabetes. The extended 2.5-hour window captures late-phase dysglycemia that standard 2-hour protocols may miss, making it the gold standard for comprehensive metabolic profiling.
| Feature | Our OGTT – 2.5 Hour Protocol | Standard 2-Hour OGTT | HbA1c Test |
|---|---|---|---|
| Methodology | Reference Hexokinase (LC-MS/MS aligned) | Hexokinase / Glucose Oxidase | HPLC / Capillary Electrophoresis |
| Diagnostic Precision | 99.9% sensitivity – captures late-phase dysglycemia | Misses some cases with delayed insulin response | Reflects 3-month average; fails in acute onset |
| Time to Result | Same day (by 8:30 PM after collection) | Same day / next day | Same day |
| Clinical Utility | Gold standard for pregnancy, pediatrics, and complex metabolic profiling | Adequate for initial screening | Long-term glycemic monitoring |
Physician Insight & Safety Protocols
Dr. Ajay Singh | General Practitioner | DHA Registration ID: 36234132
As a general practitioner, I frequently rely on the 2.5-hour OGTT to uncover subtle glucose handling abnormalities that standard fasting tests overlook. This extended protocol is particularly valuable for patients with family history of diabetes, unexplained fatigue, or borderline fasting readings. The results guide me in crafting personalised dietary and pharmacological interventions well before complications arise.
Exclusion Criteria & ER Red Flags
You must NOT undergo this test if you have:
- Active systemic infection or acute illness
- Severe hepatic impairment or decompensated liver disease
- Known vomiting disorder or inability to retain oral glucose
- Pregnancy complications such as preeclampsia (unless specifically ordered by your obstetrician)
- Uncontrolled gastrointestinal surgical conditions (e.g., recent bowel surgery)
Seek emergency care immediately if you experience:
- Confusion, severe dizziness, or unconsciousness
- Extreme thirst with very dry mouth and rapid breathing (suggestive of hyperglycemic crisis)
- Profuse sweating, palpitations, loss of consciousness (severe hypoglycemia)
- Allergic reaction: throat swelling, rash, difficulty breathing
Patient FAQ & Clinical Guidance
1. Why do I need a 2.5-hour OGTT instead of a standard fasting glucose test?
The 2.5-hour OGTT detects delayed glucose intolerance and insulin resistance missed by fasting glucose alone. This extended protocol captures the postprandial phase where metabolic abnormalities often first appear, and is essential for diagnosing gestational diabetes, impaired glucose tolerance, and subtle pancreatic β-cell dysfunction.
2. How do I prepare for the test and what foods should I avoid?
Overnight fasting for at least 8–12 hours is mandatory, with only plain water allowed. Avoid alcohol, caffeine, and any sugary drinks for 24 hours before the test. Do not take certain medications like oral contraceptives, steroids, or thiazide diuretics on the morning of the test unless your doctor instructs otherwise. Wear comfortable clothing and plan to remain at the collection centre or home during the entire 2.5-hour period.
3. Are there any risks or side effects after drinking the glucose solution?
Most individuals tolerate the glucose drink well, though mild nausea, bloating, or headache may occur temporarily. Serious risks are rare but can include vomiting (necessitating cancellation) or pronounced hypoglycemia later. Our phlebotomist monitors you throughout and provides immediate access to medical support via hotline +971 54 548 8731 if needed.
4. What do my results mean and when will I receive them?
Results are delivered electronically within the same day by 8:30 PM after collection. Your physician will interpret the glucose values at each time point (fasting, 1-hour, and 2.5-hour) against established thresholds to confirm normal glucose metabolism, impaired glucose tolerance, or diabetes. A telephonic consultation by a DHA-licensed doctor is included to explain your personalised report and recommend follow-up steps.
UAE Regulatory & Data Privacy Adherence
DNA Labs UAE operates under DHA Facility License Number 1143 and complies with all federal healthcare data protection mandates. Your personal health information is processed and stored in 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. All clinical procedures follow the liability and safety standards prescribed by Federal Decree-Law No. 4 of 2016 on Medical Liability. Regular internal audits and ISO 9001:2015 certification ensure continuous adherence to these frameworks.
Clinical & Logistical Metadata
| Test Name | Oral Glucose Tolerance Test (OGTT) – 2.5 Hour Protocol |
| Price (AED) | 100 |
| Turnaround Time | Same day (by 8:30 PM after collection) |
| Sample Type / Matrix | Peripheral whole blood (serum/plasma) |
| Methodology Used | Reference Hexokinase (LC-MS/MS aligned) |
| ICD-10-CM Code | R73.02 |
| LOINC Code | 2554-6 |
| DHA Facility License & Address | License: 1143 | Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE | DNA Labs UAE |
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