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MECP2 Gene Rett syndrome preserved speech variant NGS Genetic Test

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MECP2 Gene Rett syndrome preserved speech variant NGS Genetic Test

Short Name: MECP2 Gene Rett Syndrome Test

Also known as: Preserved Speech Variant Rett Syndrome, Rett Syndrome Variant

MECP2 Gene Rett syndrome preserved speech variant NGS Genetic Test test available at DNA Labs India for ₹20,000. Uses Next-Generation Sequencing (NGS) on Blood or Extracted DNA or One drop Blood on FTA Card samples. Results in 3 to 4 Weeks. Free home collection in 300+ cities across India.

NGS Genetic TestFemalePediatric🏠 Home Collection

✍️ Written By

🩺 Medically Reviewed By

Dr SULOCHANA HEMCHANDRA HOLLA

Dr SULOCHANA HEMCHANDRA HOLLA

Consultant Medical Geneticist · Reg: 8532

Last reviewed: September 7, 2026

Overview

The purpose of this test is to detect mutations in the MECP2 gene associated with the preserved speech variant of Rett syndrome, facilitating early diagnosis, guiding clinical management, and enabling family genetic counseling.

Test Code
1796
Price
₹20,000
Sample Type
Blood or Extracted DNA or One drop Blood on FTA Card
Result Time
3 to 4 Weeks
Fasting Required
No
Method
Next-Generation Sequencing (NGS)
Step 1

Sample Collection

No specific preparation required. Ensure clinical history and genetic counseling session are completed.

Method: Venipuncture

Step 2

Laboratory Analysis

A small blood sample (5 mL) will be drawn from a vein in the arm using sterile technique.

Step 3

Report Delivery

Apply pressure to the puncture site to prevent bleeding. Resume normal activities.

Timeline: 3 to 4 Weeks

Patient Instructions

1
Before the Test:Genetic counseling session to discuss implications, consent, and pedigree chart preparation.
2
During the Test:Non-invasive blood collection procedure takes about 10-15 minutes.
3
After the Test:Report delivered in 3-4 weeks. Follow-up counseling recommended for result interpretation.

About This Test

Who Should Get This Test

The purpose of this test is to detect mutations in the MECP2 gene associated with the preserved speech variant of Rett syndrome, facilitating early diagnosis, guiding clinical management, and enabling family genetic counseling.

How to Prepare

  • Use EDTA tube for blood samples
  • Label sample with patient details and test name
  • Store at ambient temperature before transport
  • For FTA card, apply one drop of blood and air-dry

Doctor's Notes

Reviewed by — MBBS, MD (Medical Genetics) · Reg. No. 8532

"Early genetic testing is crucial for accurate diagnosis, family counseling, and management of Rett syndrome to improve patient outcomes."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeBlood or Extracted DNA or One drop Blood on FTA Card
Sample Volume5 mL blood or equivalent
ContainerEDTA tube or FTA card
Collection MethodVenipuncture

Sample Stability

Blood in EDTA tube
Extracted DNA
FTA card
Sample Rejection Criteria:
  • Hemolyzed or clotted blood samples
  • Insufficient sample volume
  • Improperly labeled or contaminated samples
  • Samples older than stability period

Understanding Your Results

Results indicate the presence or absence of mutations in the MECP2 gene. A positive result confirms genetic predisposition to Rett syndrome preserved speech variant, while a negative result suggests no pathogenic variants were detected in the analyzed regions.
Positive: Pathogenic variant detected – confirms diagnosis, guide management
Negative: No pathogenic variant – clinical correlation needed, consider other tests
VUS: Variant of uncertain significance – require family studies and follow-up
Report includes detailed variant annotation and clinical recommendations
⚠️ When to Consult a Doctor:

Consult a geneticist or neurologist immediately if test is positive or if symptoms worsen. For negative results with persistent symptoms, seek further evaluation.

Limitations

  • ⚠May not detect all genetic variants due to technical limitations
  • ⚠Cannot predict disease severity or progression with certainty
  • ⚠Results should be interpreted in conjunction with clinical findings
  • ⚠Variants of uncertain significance (VUS) may require further investigation

Risks & Considerations

  • ●Minimal risk from blood draw: bruising, slight pain, or infection at puncture site
  • ●Emotional impact of genetic results requires psychological support

Interfering Factors

  • ●Sample contamination during collection or transport
  • ●Degraded DNA due to improper storage
  • ●Presence of inhibitors in blood samples
  • ●Technical errors in sequencing or analysis

Frequently Asked Questions

What is the MECP2 Gene Rett Syndrome Preserved Speech Variant?
It is a subtype of Rett syndrome where individuals retain speech abilities but have motor impairments, caused by mutations in the MECP2 gene.
Who should consider this genetic test?
Children or adults with symptoms like loss of motor skills, hand-wringing, seizures, or a family history of Rett syndrome should consider testing.
How is the test performed?
The test uses Next-Generation Sequencing (NGS) to analyze the MECP2 gene from a blood sample, detecting mutations associated with Rett syndrome.
What is the cost of this test at DNA Labs India?
The test costs INR 20000, which includes analysis, report, and genetic counseling support.
Is home sample collection available?
Yes, DNA Labs India offers free home sample collection for online bookings across India, with cities like Mumbai, Delhi, Bangalore, and more covered.
How long does it take to get the results?
Results are typically delivered within 3 to 4 weeks via online portal, email, or WhatsApp.
What do the test results mean?
A positive result indicates a pathogenic MECP2 mutation confirming Rett syndrome, while a negative result suggests no detected mutations; interpretation requires clinical correlation.
Are there any risks associated with the test?
Risks are minimal, primarily from blood draw, such as bruising or infection. Genetic results may have emotional impacts, counseling is provided.
How should I prepare for the test?
No fasting or special preparation is needed. Complete a genetic counseling session and provide clinical history beforehand.
Can this test be done for adults?
Yes, it can be performed at any age if symptoms are present, though Rett syndrome is typically diagnosed in childhood.
What if the test result is positive?
A positive result confirms diagnosis, enabling early intervention, personalized treatment, and family genetic counseling to manage symptoms effectively.
Is this test covered by insurance?
Coverage varies; check with your insurer. Government schemes like PMJAY may not cover it, but private insurance might depending on the policy.
Worried about the process? Our certified phlebotomists collect thousands of samples every month across India. The process takes under 5 minutes and is virtually painless. Questions? Message us on WhatsApp — we're here 7 days a week.

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For Hospitals & Clinics

Reference Laboratory Services

We serve as a reference laboratory for hospitals and clinics across India. Send samples from your facility with same-day pickup, priority processing, and results delivered through our online portal. Competitive institutional pricing available.

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✓ Stored in India: All patient records are stored on servers located in India. No data is transferred outside the country.

✓ DPDP Act Compliant: Under the Digital Personal Data Protection Act 2023, you can request deletion of your records at any time by contacting support.

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