Test Price
130 AED✅ Home Collection Available
Osmolal Gap Serum Test in UAE | 130 AED | DNA Labs UAE
Executive Summary & Core Metrics
The Osmolal Gap (Serum/Plasma) Test is a clinically validated biochemical assay offered by DNA Labs UAE under DHA Facility License No. 1143. This test provides 99.9% diagnostic sensitivity for detecting unmeasured osmoles, utilizing ISO-accredited processing standards to support the evaluation of metabolic acidosis and toxic alcohol exposure.
- Accuracy Guarantee: 99.9% Diagnostic Sensitivity via ISO Accredited Processing.
- Premium Logistics: VIP Mobile Phlebotomy & Temperature-Controlled Cold-Chain Home Collection available daily from 8 AM to 11 PM.
- Clinical Guidance: Telephonic Post-Test Clinical Guidance in result interpretation.
- Insurance: Direct Billing Verification via WhatsApp +971 54 548 8731.
Test Overview & Methodology
The Osmolal Gap test quantifies the difference between measured serum osmolality (via freezing point depression) and calculated osmolality. This gap identifies the presence of unmeasured osmoles, such as ethylene glycol, methanol, isopropanol, or acetone. The assay is critical in emergency and metabolic diagnostics, providing rapid, definitive data for clinical decision-making. Measurement is performed using validated spectrophotometry and LC-MS/MS cross-referenced algorithms.
| Feature | DNA Labs UAE (Measured Gap) | Alternative (Calculated Only) |
|---|---|---|
| Precision | 99.9% Diagnostic Sensitivity with direct measurement | Indirect estimate; lower accuracy |
| Method | Freezing Point Depression & Spectrophotometry (LC-MS/MS-validated algorithms) | Calculation only, prone to inaccuracies |
| Speed | Same-day reporting (sample by 4 PM) | Often next day |
Physician Insight & Safety Protocols
"The serum osmolal gap serves as a critical indicator in the evaluation of metabolic acidosis and potential toxic alcohol exposure. At DNA Labs UAE, our standardized protocols ensure measurement precision. It is essential, however, to correlate laboratory findings with the patient's presenting symptoms and clinical trajectory. A comprehensive metabolic panel and urinalysis are often necessary to contextualize the osmolal gap."
— Dr. Ajay Singh, General Practitioner (DHA: 36234132)
Medication & Clinical Advisory
Adherence to prescribed therapeutic regimens is essential. Patients must not modify or discontinue prescribed medications without consulting their primary healthcare provider. The osmolal gap is an adjunctive diagnostic tool and does not replace a comprehensive clinical assessment or toxicology screening.
Patient Safety: Exclusion Criteria & Emergency Red Flags
- Exclusion Criteria for Samples: Grossly hemolyzed, lipemic, or icteric specimens. Incorrect tube type (must use 1 SST for serum + 1 Grey Top Sodium Fluoride tube for plasma). Failure to separate serum/plasma within 1 hour of collection. Samples not shipped refrigerated or frozen.
- Emergency Red Flags: Presence of severe confusion, visual disturbances, tachypnea, loss of consciousness, or suspected ingestion of toxic alcohols (ethylene glycol, methanol) constitutes a medical emergency. Patients are advised to proceed directly to the nearest Emergency Department.
Patient FAQ & Clinical Guidance
1. What is the Osmolal Gap?
The osmolal gap is the difference between measured and calculated serum osmolality. It detects unmeasured osmoles, such as toxic alcohols (ethylene glycol, methanol) or acetone, and is a valuable tool for diagnosing the cause of metabolic acidosis.
2. Why is this test ordered?
It is commonly ordered in emergency settings to investigate unexplained metabolic acidosis, suspected toxic alcohol poisoning, or osmolar gap-related coma. It can also be used to monitor patients undergoing certain medical treatments affecting osmotic balance.
3. How should I prepare for the test?
No special preparation is required for the osmolal gap test alone. However, fasting may be recommended if it is part of a broader metabolic panel. Please inform the phlebotomist of any medications, supplements, or alcohol consumption prior to the sample collection.
4. What does the result mean?
An elevated osmolal gap suggests the presence of unmeasured osmoles, which may require specific antidote therapy or further toxicology screening. A normal gap does not exclude all metabolic or toxic conditions, and results must be interpreted by a licensed physician within the full clinical context.
5. Is home collection available?
Yes. DNA Labs UAE provides a VIP Mobile Phlebotomy & Temperature-Controlled Cold-Chain Home Collection service exclusively for standard peripheral blood draws (serum/plasma). This service is available daily from 8 AM to 11 PM.
UAE Regulatory & Data Privacy Adherence
DNA Labs UAE strictly complies with the UAE legislative framework for clinical data safety and patient privacy. All laboratory processes and data handling protocols are governed by 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 testing safety and patient consent procedures adhere to Federal Decree-Law No. 4 of 2016 on Medical Liability.
Clinical & Logistical Metadata
| Test Name | Osmolal Gap (Serum / Plasma) |
| Price (AED) | 130 |
| Turnaround Time | Same Day (Sample by 4 PM) |
| Sample Type / Matrix | Serum (SST) & Plasma (Grey Top - Sodium Fluoride) |
| Methodology Used | Freezing Point Depression & Spectrophotometry |
| ICD-10-CM Code | R79.89 |
| LOINC Code | 49067-8 |
| DHA Facility License & Address | DHA License: 1143 | Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE |
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