Test Price
2,800 AED✅ Home Collection Available
TWIST1 Gene Saethre-Chotzen Syndrome Genetic Test in UAE
2,800 AED – DHA Licensed Molecular Diagnostics
Executive Summary & Core Metrics
Clinical Genetic Diagnostic Summary
High-precision clinical genetic test for diagnosing Saethre-Chotzen syndrome via comprehensive TWIST1 gene analysis using Next Generation Sequencing (NGS) technology. The assay is performed at a DHA-licensed ISO 9001:2015 accredited laboratory (Cert: INT/EGQ/2509DA/3139) and delivers 99.9% diagnostic sensitivity for pathogenic variants across the entire coding region.
- ✔️Diagnostic Accuracy: 99.9% analytical sensitivity with full NGS coverage plus Sanger validation for all coding exons and splice sites.
- 🚚Collection Logistics: VIP Mobile Phlebotomy & Temperature-Controlled Cold-Chain Home Collection (Available daily from 8 AM to 11 PM).
- 🩺Post-Test Support: Telephonic result interpretation and genetic counselling by a DHA-licensed Consultant Medical Geneticist.
- 💳Insurance Verification: Direct billing confirmation available via WhatsApp +971 54 548 8731.
Test Overview & Methodology
The TWIST1 gene Saethre-Chotzen syndrome Genetic Test is a comprehensive molecular analysis that identifies pathogenic variants in the entire TWIST1 coding region, confirming the diagnosis of this autosomal dominant craniosynostosis disorder. This test is essential for early surgical planning, genetic counselling, and family screening. The methodology employs targeted NGS with full deletion/duplication detection (MLPA) and orthogonal Sanger confirmation for all identified variants.
| Parameter | Our Test (DHA-Approved) | Closest Alternative |
|---|---|---|
| Precision | 99.9% Diagnostic Sensitivity Full gene NGS + Sanger validation + MLPA |
80–90% with targeted panels Rare and copy-number variants may be missed |
| Methodology | NGS (Next Generation Sequencing) with deletion/duplication analysis and Sanger confirmation | Sanger sequencing only (covers selected exons, no CNV detection) |
| Turnaround | 21–28 Business Days – Definitive Diagnostic Report | 5–6 Weeks with external referral laboratory |
Physician Insight & Safety Protocols
“As a Consultant Medical Geneticist, I emphasise that every TWIST1 variant must be interpreted within the full clinical context of a detailed dysmorphology examination and a three-generation pedigree analysis. A positive molecular finding is not merely a laboratory result — it is the gateway to coordinated multidisciplinary care involving neurosurgery, maxillofacial surgery, ophthalmology, and developmental paediatrics. Families navigating this diagnosis receive compassionate, structured support throughout their journey.”
— Lina Osama Zaki Quteineh, Consultant Medical Genetics | DHA Registration ID: 9294403
Advisory & Precautions
Safety Advisory – Medication & Clinical Guidance
Do not discontinue, alter, or initiate any prescribed medication, therapy, or nutritional regimen without explicit instruction from your treating physician. Genetic test results should always be correlated with clinical examination and family history before any management decisions are made.
Exclusion Criteria & Emergency Red Flags
Clinical Exclusion Criteria
- Patient unable to provide informed consent due to cognitive impairment or severe psychiatric instability without a designated legal guardian.
- Active febrile illness or blood transfusion within the past 14 days (may compromise DNA yield and quality).
Emergency Red Flags – Seek Immediate Medical Attention
- Sudden projectile vomiting, worsening lethargy, rapid increase in head circumference, or sunsetting eyes — proceed to the nearest emergency department without delay.
- First episode of seizure or any signs suggestive of raised intracranial pressure require urgent neurosurgical evaluation.
Patient FAQ & Clinical Guidance
1. What exactly is the TWIST1 gene test for Saethre-Chotzen syndrome?
This genetic test analyses the entire coding region of the TWIST1 gene using next-generation sequencing to detect disease-causing mutations that confirm Saethre-Chotzen syndrome with near-complete sensitivity. The analysis includes detection of single nucleotide variants, small insertions and deletions, and larger copy-number changes across all coding exons and flanking splice sites.
2. Who should consider this test?
Individuals presenting with premature fusion of cranial sutures (craniosynostosis), facial asymmetry, low-set ears, ptosis, brachydactyly, or a documented family history of Saethre-Chotzen syndrome should undergo this definitive molecular test. It is also indicated for prenatal diagnosis when a parental mutation has been identified and for at-risk family members of known carriers.
3. How reliable is this test at detecting all possible mutations?
With 99.9% analytical sensitivity and complete coverage of the TWIST1 coding exons plus 20 bp of flanking intronic sequence, our NGS assay reliably detects single nucleotide variants, small indels, and larger copy-number alterations. All clinically significant findings are confirmed by orthogonal Sanger sequencing, ensuring zero false-positive reporting for actionable variants.
4. What sample is required and how is it collected?
A standard peripheral whole blood sample (3–5 mL in an EDTA tube) is required. Collection is performed via VIP Mobile Phlebotomy at your home or office between 8 AM and 11 PM daily, or at any of our DHA-licensed collection centres. The sample is transported under temperature-controlled conditions to our Dubai Healthcare City laboratory.
5. How long does it take to get results and how are they delivered?
The definitive diagnostic report is issued within 21 to 28 business days (3–4 weeks). Results are delivered electronically via secure patient portal and by telephone consultation with our Consultant Medical Geneticist, who provides a comprehensive interpretation and coordinates any necessary referrals.
UAE Regulatory & Data Privacy Adherence
Regulatory Compliance Framework
This diagnostic service operates under the regulatory oversight of the Dubai Health Authority (DHA) and complies with all applicable UAE federal laws governing clinical laboratory practice, patient data protection, and medical liability.
- Data Protection: All patient genetic and personal data are processed in strict 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 & Consent: Patient safety and informed consent protocols adhere to Federal Decree-Law No. 4 of 2016 on Medical Liability, ensuring that every test is performed with full patient understanding and documented consent.
- Laboratory Accreditation: The testing facility holds ISO 9001:2015 certification (Cert: INT/EGQ/2509DA/3139) and maintains rigorous internal and external quality control programmes.
Clinical & Logistical Metadata
| Test Name | TWIST1 Gene Saethre-Chotzen Syndrome Genetic Test (Full Gene Sequencing with Deletion/Duplication Analysis) |
| Price (AED) | 2,800 AED |
| Turnaround Time | 21–28 Business Days (3–4 Weeks) |
| Sample Type / Matrix | Peripheral Whole Blood (EDTA) – 3–5 mL |
| Methodology Used | Next Generation Sequencing (NGS) with full coding region coverage, MLPA deletion/duplication analysis, and Sanger confirmation of all clinically significant variants |
| ICD-10-CM Code | Q87.0, Q75.0 |
| LOINC Code | 81264-7 |
| DHA Facility License & Laboratory Address | DHA Facility License Number: 1143 | Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE | Corporate Lab: DNA Labs UAE |
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All reports reviewed by DHA-Certified physicians