Test Price
800 AED✅ Home Collection Available
MIXING STUDIES – aPTT (Activated Partial Thromboplastin Time Mixing Study)
Executive Summary & Core Metrics
Executive Summary — 99.9% diagnostic sensitivity via ISO 15189‑accredited photometric clot detection with inhibitor index. VIP mobile phlebotomy and temperature‑controlled cold‑chain home collection available daily from 8 AM to 11 PM. Next‑day report delivery; post‑test telephonic clinical guidance included. Direct billing verification via WhatsApp +971 54 548 8731. Corporate laboratory: DNA Labs UAE.
Test Overview & Methodology
The Mixing Studies – aPTT test identifies whether a prolonged activated partial thromboplastin time is due to a clotting factor deficiency or a circulating inhibitor. This differentiation is critical for diagnosing bleeding disorders such as hemophilia or lupus anticoagulant. UAE accredited labs combine photo‑optical clot detection with rapid cold‑chain logistics for superior accuracy.
| Feature | Our Mixing Studies – aPTT | Standard aPTT (No Mixing) |
|---|---|---|
| Precision | 99.9% diagnostic sensitivity; differentiates factor deficiency vs. inhibitor | Cannot distinguish factor deficiency from inhibitor |
| Methodology | Photo‑optical clot detection with inhibitor index; ISO 15189 accredited | Manual tilt‑tube or semi‑automated; limited inhibitor detection |
| Logistics & Speed | Next‑day report; VIP home collection (8 AM–11 PM) with frozen PPP cold‑chain transport | Usually 2–3 days; clinic‑based draw only |
Sample Requirements: 6 mL whole blood in 2 Blue Top (Sodium Citrate) tubes, mixed by inversion. Transport to lab within 4 hours. If delayed, platelet‑poor plasma (PPP) must be prepared within 1 hour (double centrifugation at 3600 rpm for 15 min each), frozen immediately, and shipped on dry ice – DO NOT THAW.
Physician Insight & Safety Protocols
“As a General Practitioner supporting your diagnostic journey, I want you to understand that mixing studies serve as a compass between a missing clotting factor and a harmful inhibitor. This distinction directly shapes your treatment plan, so we always interpret your results alongside your full clinical history. Your health narrative matters as much as the laboratory numbers.” — Dr. Ajay Singh, GP | DHA Registration ID: 36234132
Medication Advisory
Do not discontinue prescribed anticoagulants or any medication without consulting your doctor. If you are on heparin, warfarin, or direct oral anticoagulants, your physician may advise temporary cessation for the test – but never stop them on your own, as this can precipitate life‑threatening clots.
Exclusion Criteria & Emergency Red Flags
- Exclusion Criteria: Home collection is not performed for patients with active bleeding, known severe thrombocytopenia (<50,000/µL), or acute thrombotic events.
- During/After Collection: If you experience dizziness, chest pain, rapid heartbeat, or severe headache, stop the collection and seek immediate emergency care.
- Post‑Draw Alert: Prolonged oozing from the puncture site, new bruises, or dark stools require urgent medical evaluation.
- Pediatric/Guardian Consent: For minors, collection is performed only with guardian presence and written consent in accordance with Federal Decree‑Law No. 4 of 2016 on Medical Liability.
Patient FAQ & Clinical Guidance
1. What is the purpose of a mixing study when my aPTT is already prolonged?
A mixing study determines if the prolonged aPTT corrects with normal plasma (suggesting a clotting factor deficiency) or remains prolonged (indicating an inhibitor such as lupus anticoagulant or a hemophilia inhibitor). This differentiation is essential because treatment with factor concentrates may be ineffective or even dangerous if an inhibitor is present.
2. How should I prepare, and what about my blood thinners?
You should fast overnight (preferred) and complete the mandatory Coagulation Requisition Form 15. If you take heparin or oral anticoagulants, your doctor may advise temporary discontinuation – never stop them on your own, as this can lead to life‑threatening clots. Always follow your physician’s instructions.
3. How quickly will I get my results, and can I discuss them with a clinician?
Your report is delivered the next day if the sample is collected by 11 AM on a Wednesday or Saturday. After receiving your results, you may request a telephonic post‑test consultation with our clinical team to review next steps with your treating physician.
UAE Regulatory & Data Privacy Adherence
All patient data is processed in full compliance 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. Laboratory operations adhere to DHA standards and ISO 15189 accreditation. Your health information is encrypted, stored securely, and never shared without your explicit consent.
Clinical & Logistical Metadata
| Test Name | MIXING STUDIES – aPTT (Activated Partial Thromboplastin Time Mixing Study) |
| Price (AED) | 800 AED |
| Turnaround Time | Next Day (if sample collected by 11 AM on Wednesday or Saturday) |
| Sample Type / Matrix | Whole Blood (6 mL in 2 Blue Top Sodium Citrate tubes) |
| Methodology Used | Photo‑optical Clot Detection with Inhibitor Index, ISO 15189 Accredited |
| ICD‑10‑CM Code | D68.9 (Coagulation defect, unspecified) |
| LOINC Code | 14974-9 (Coagulation aPTT mixing study in Blood) |
| DHA Facility License & Lab Address | License No. 1143 · Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE · DNA Labs UAE |
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