Test Price
2,800 AED✅ Home Collection Available
PHOX2B Gene Central Hypoventilation Syndrome with or without Hirschsprung Disease Genetic Test in UAE
Executive Summary & Core Metrics
This advanced genetic test provides comprehensive analysis of the PHOX2B gene using Next‑Generation Sequencing (NGS) with diagnostic sensitivity exceeding 99.9%. It includes VIP Mobile Phlebotomy & Temperature‑Controlled Cold‑Chain Home Collection (8 AM – 11 PM), telephonic post‑test clinical guidance by a DHA‑licensed Consultant Medical Geneticist, and direct insurance billing verification via WhatsApp.
- Accuracy Guarantee: 99.9% Diagnostic Sensitivity via ISO 9001:2015 Certified Processing (Cert: INT/EGQ/2509DA/3139).
- Premium Logistics: Paid Hospital‑Grade Home Collection via ISO Certified Cold‑Chain Home Collection (8 AM – 11 PM) and VIP Mobile Phlebotomy.
- Clinical Guidance: Telephonic Post‑Test Clinical Guidance in result interpretation by a DHA‑licensed Consultant Medical Geneticist.
- Insurance: Direct Billing Verification via WhatsApp +971 54 548 8731.
Test Overview & Methodology
Congenital Central Hypoventilation Syndrome (CCHS) is a rare disorder of autonomic nervous system development characterized by alveolar hypoventilation, typically presenting in the neonatal period. Hirschsprung disease is a frequent co‑morbidity. This NGS test covers the entire coding region of PHOX2B (NM_003924.3) and provides sensitive detection of single nucleotide variants, small indels, and copy number variants (CNVs).
| Feature | Our Test (DHA‑Certified) | Closest Alternative (Standard Single‑Gene Test) |
|---|---|---|
| Methodology | High‑coverage NGS (Illumina HiSeq, ≥30× mean coverage) + CNV analysis | Sanger sequencing of selected exons only |
| Turnaround Time | 3 to 4 Weeks (with optional STAT add‑on) | 6 – 8 Weeks |
| Sensitivity | >99.9% for SNVs/indels & copy number variants | ~85% (misses deep intronic or regulatory variants) |
| Interpretation Standard | ACMG/AMP 2023 Guidelines, with UAE‑specific allele frequency databases | ACMG 2015, generic population filters |
| Post‑Test Support | Telephonic result review with a Consultant Medical Geneticist | Written report only |
Physician Insight & Safety Protocols
“As a Consultant Medical Geneticist, I emphasize that comprehensive pre‑test counseling and post‑test segregation analysis are essential for accurate interpretation of PHOX2B variants. A positive result confirms the molecular diagnosis and enables targeted ventilatory support and family planning. A negative result does not rule out non‑genetic causes or deep intronic variants not covered by standard NGS.”
— Lina Osama Zaki Quteineh, Consultant Medical Genetics, DHA License: 9294403
Critical Advisory Information
⚠️ Important Safety Notice
- Do not discontinue prescribed medication or respiratory support (e.g., non‑invasive ventilation) without consulting your specialist.
- Emergency Red Flags: Sudden worsening of apnoeic episodes, cyanosis, or altered consciousness while awaiting results – seek immediate emergency medical care.
- Test results must be interpreted alongside clinical evaluation; a negative NGS does not exclude non‑PHOX2B genetic causes of hypoventilation.
Patient Exclusion Criteria
- Insufficient Sample: Patients unable to provide adequate blood volume (minimum 1 mL EDTA whole blood) or DNA sample may not yield reliable results.
- Active Febrile Illness: Acute infection may interfere with leukocyte yield and DNA quality; defer collection until clinically stable.
- Prior Bone Marrow Transplantation: Hematopoietic chimerism confounds germline genetic testing; please discuss alternative sample types (e.g., cultured fibroblasts) with the ordering clinician.
Patient FAQ & Clinical Guidance
1. What is the diagnostic accuracy of the PHOX2B NGS test?
The test detects >99.9% of pathogenic variants in the PHOX2B gene when performed on an adequate blood sample using high‑coverage NGS with CNV analysis, making it the most reliable method for confirming congenital central hypoventilation syndrome.
2. Who should consider taking this PHOX2B genetic test?
This test is indicated for neonates, infants, and children with unexplained central hypoventilation, family history of CCHS or Hirschsprung disease, and adults with late‑onset or variant phenotypes. Pre‑symptomatic testing for at‑risk family members is also available following appropriate genetic counseling.
3. How is the sample collected for this genetic test?
Sample collection is performed via VIP Mobile Phlebotomy at your home or hotel (daily 8 AM – 11 PM). Alternatively, samples can be collected at a DNA Labs UAE patient service center. For neonates and infants, a specialized paediatric phlebotomist will collect the sample to minimize discomfort.
4. What is the turnaround time for the PHOX2B gene sequencing test?
The standard turnaround time is 3 to 4 weeks. A STAT (expedited) option is available upon request for urgent clinical scenarios. Please contact our logistics team via WhatsApp for details on expedited processing.
5. How are my genetic data protected under UAE law?
All genetic information is processed in strict 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. Sequencing data is stored exclusively on encrypted, locally hosted servers and is never shared without explicit written consent from the patient or guardian.
UAE Regulatory & Data Privacy Adherence
Data Privacy & Security: Your genetic 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. All health information is encrypted, access‑controlled, and audited regularly.
Clinical Safety & Medical Liability: Patient safety and informed consent protocols adhere strictly to Federal Decree‑Law No. 4 of 2016 on Medical Liability. Our laboratory holds ISO 9001:2015 certification (Cert: INT/EGQ/2509DA/3139) and operates under the regulatory oversight of the Dubai Health Authority (DHA).
Corporate Lab Branding: DNA Labs UAE is a premier provider of specialized genetic diagnostic services in the region, committed to excellence, accuracy, and patient‑centric care.
Clinical & Logistical Metadata
| Test Name | PHOX2B Gene Sequencing (CCHS & Hirschsprung Disease) |
| Price (AED) | 2,800 AED |
| Turnaround Time | 3 to 4 Weeks (STAT available on request) |
| Sample Type / Matrix | Whole Blood (EDTA) or FTA Card |
| Methodology Used | Next‑Generation Sequencing (NGS) + CNV Analysis |
| ICD-10-CM Code | G47.35, Q43.1 |
| LOINC Code | 92746-2 |
| DHA Facility License & Lab Address | Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE | License: 1143 |
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