TNNI2 Gene Arthrogryposis, Distal, Type 2B Genetic Test in UAE | 2800 AED | DHA Licensed

Executive Summary & Core Metrics

Accuracy Guarantee: 99.9% Diagnostic Sensitivity via ISO 15189:2012 & ISO 9001:2015 accredited processing.
Premium Logistics: VIP Mobile Phlebotomy & Temperature-Controlled Cold-Chain Home Collection available daily (8 AM–11 PM).
Clinical Guidance: Telephonic post-test genetic counseling from a DHA-licensed consultant medical geneticist.
Insurance: Direct billing verification via WhatsApp +971 54 548 8731.

Test Overview & Methodology

The TNNI2 gene encodes troponin I fast-twitch skeletal muscle isoform; pathogenic variants cause Distal Arthrogryposis Type 2B, characterized by congenital distal joint contractures, primarily of hands and feet, often with variable expressivity. Our Next-Generation Sequencing (NGS) test screens the entire coding region and splice sites of TNNI2, providing definitive molecular confirmation for clinical diagnosis, family planning, and genetic counseling.

Feature	Our Test (TNNI2 NGS)	Closest Alternative (Single-Gene Sanger)
Methodology	Next-Generation Sequencing (NGS) – full gene coverage	Sanger sequencing – limited to known variants
Sensitivity	>99.9% for coding & splice site mutations	~95% for targeted exons only
Turnaround Time	3–4 weeks	4–6 weeks

Physician Insight & Safety Protocols

"Clinical correlation with physical examination findings and family history is essential; a negative TNNI2 result does not rule out other genetic arthrogryposis syndromes. I recommend pre-test genetic counseling to align expectations and explore downstream management options." — Lina Osama Zaki Quteineh, Consultant Medical Genetics, DHA Reg ID: 9294403

Advisory: Medication Management

Important Medication Advisory

Do not discontinue any prescribed medication or therapy for contracture management without first consulting your treating physician. Always follow your doctor's guidance regarding muscle relaxants, physical therapy, or surgical interventions.

Exclusion Criteria & ER Red Flags

Exclusion: Patient unable to provide a biological sample (blood or buccal swab); contraindication to venipuncture in severe coagulopathy.
ER Red Flag: If the child develops acute respiratory distress, swallowing difficulties, or new neurological deficits, seek immediate emergency care.
Note: This test is not a substitute for urgent orthopedic or neurological evaluation.

Patient FAQ & Clinical Guidance

1. What is TNNI2 NGS testing and why is it recommended for distal arthrogryposis type 2B?

TNNI2 NGS testing identifies pathogenic variants in the TNNI2 gene, confirming the diagnosis of distal arthrogryposis type 2B. This guides prognosis, family planning, and targeted therapy through definitive molecular evidence.

2. What sample types are accepted for the TNNI2 genetic test?

We accept whole blood (EDTA), extracted DNA, or a single drop of blood on an FTA card. Our VIP mobile phlebotomy and temperature-controlled cold-chain home collection service ensures safe sample transport.

3. How long does it take to receive results and what support is provided?

Results are ready in 3 to 4 weeks and include a comprehensive clinical interpretation report with complimentary post-telephonic genetic counseling from a DHA-licensed consultant medical geneticist.

UAE Regulatory & Data Privacy Adherence

Data Privacy & Legal Framework

We strictly comply 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 genetic test data is handled with strict confidentiality and processed under DHA Facility License 1143.

Clinical & Logistical Metadata

Test Name	TNNI2 Gene Arthrogryposis, Distal, Type 2B Genetic Test
Price (AED)	2800
Turnaround Time	3–4 weeks
Sample Type / Matrix	Whole blood (EDTA), extracted DNA, or buccal swab
Methodology Used	Next-Generation Sequencing (NGS) – full gene coverage
ICD-10-CM Code	Q74.3
LOINC Code	21667-0
DHA Facility License & Laboratory Address	License No. 1143 \| Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE

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