Skip to main content
Medical information Clinical review pending

Genetic Testing

Ddx3x Gene Mental Retardation Xlinked Type 102 Genetic Test

This genetic test identifies mutations in the DDX3X gene, which are associated with X-linked intellectual disabilities and developmental delays. It uses Next Generation Sequencing (NGS) technology for accurate analysis.

General information only: This page is not a diagnosis or personal medical advice. A qualified clinician should decide whether testing is appropriate and interpret results in context.

Review status: No completed medical review is recorded for this page.

Ask a question
Counselor guidance included Confidential handling Kenya-wide coordination

At a glance

Plan your test

Sample
Blood sample (EDTA tube) or extracted DNA. Confirm specific requirements with the laboratory before booking.
Results
Confirm with the laboratory before booking.
Preparation
No special preparation is typically required for a blood draw. Follow any specific instructions provided by the laboratory or your doctor.
Test priceKSh 40,000

Payment: M-Pesa and card options can be confirmed during booking.

Insurance & government schemes

Is this test covered for you?

We help you verify whether the Ddx3x Gene Mental Retardation Xlinked Type 102 Genetic Test test can be claimed against your insurer, employer scheme or a Kenyan government health scheme — before you book. Coverage depends on your plan, clinical indication and your provider's rules; final approval always rests with them.

Talk to a claims advisor

Providers & schemes we can help you check

Government & public schemes

SHIF — Social Health Insurance Fund Linda Mama EduAfya NHIF (legacy cards)

Eligibility and benefits follow the current rules of the Social Health Authority (SHA) and applicable government programmes.

Private insurers & employer schemes

Jubilee Health AAR APA Britam CIC Madison Resolution Pioneer Minet Old Mutual GA Life Heritage + other licensed insurers

Names shown for identification only — listing does not imply partnership or guarantee of coverage.

Have these ready when we check

  • Insurer or scheme name & policy / member number
  • A clinician's request / prescription for the test
  • Pre-authorisation letter, if your plan requires one

Free coverage check

Ask us to verify your cover

Send your details and our claims team confirms what documents you need and whether pre-authorisation applies — usually the same working day.

+254

Used only to process your coverage check — see our Privacy Policy. Verification support is free and does not guarantee your provider will pay.

01

Start with fit

Is this the right test for you?

The best test starts with a clear clinical question. These are common reasons a clinician or family may consider this test.

  • ✓Unexplained developmental delays or intellectual disability in children
  • ✓Family history of X-linked genetic disorders
  • ✓Symptoms like speech delays, motor skill challenges, or behavioral issues
  • ✓Genetic counseling for families with concerns about inherited neurological conditions
02

In plain language

What this test helps you understand

This test helps identify mutations in the DDX3X gene, which can confirm a diagnosis of DDX3X-related intellectual disability, guide management strategies, and inform family planning.
The DDX3X Gene Mental Retardation X-linked Type 102 NGS Genetic DNA Test is an advanced diagnostic tool used to identify genetic mutations linked to certain neurological disorders. This test employs Next Generation Sequencing (NGS) technology to precisely analyze the DDX3X gene, which plays a significant role in cognitive development. Understanding the genetic basis of conditions like intellectual disability can provide valuable information for diagnosis, management, and family planning.

This test specifically looks for mutations within the DDX3X gene. These mutations are known to be associated with X-linked intellectual disabilities. By analyzing a DNA sample, typically obtained from blood, healthcare professionals can determine if these specific mutations are present.

Genetic counseling is recommended before undergoing this test. A counselor can help you understand the test's purpose, potential results, and implications based on your personal and family health history.
03

Medical review status

Clinical review pending

A completed medical review is not recorded for this page. No clinician has endorsed the information shown here. Please discuss testing decisions with a qualified healthcare professional.

Meet the DNA Labs Kenya medical team →
04

A simple process

What happens next?

You do not have to navigate the test alone. We help you move from question to next step.

1

Speak with us

We check the test and answer your questions before collection.

2

Give your sample

Choose home collection or a coordinated hub visit in Kenya. We explain whether this test uses a cheek swab or blood draw.

3

Understand your report

A counselor helps you understand the result and the next steps.

05

Choose your collection

Home collection or a lab visit

We will explain the sample, preparation, and next steps before anything is collected.

Home collection

Choose a coordinated visit at home or another convenient location. Our team confirms the appointment and sample requirements in advance.

Lab or hub visit

Prefer to visit a coordinated location? We can guide you to the right hub and explain what to expect when you arrive.

Ask about locations →
PreparationNo special preparation is typically required for a blood draw. Follow any specific instructions provided by the laboratory or your doctor.
SampleBlood sample (EDTA tube) or extracted DNA. Confirm specific requirements with the laboratory before booking.
MethodologyNext Generation Sequencing (NGS) of the DDX3X gene.
PrivacyYour sample and report are handled confidentially. Ask the team how your information is stored and shared.
This test specifically analyzes the DDX3X gene. It may not detect mutations in other genes associated with intellectual disability. A negative result does not completely rule out a genetic cause for the symptoms. Confirm with the laboratory before booking.
06

Read your report

What common result terms mean

PositiveA finding was identified. Your clinician or counselor will explain what it means for your care.
NegativeThe specific finding tested for was not identified. It does not rule out every possible cause.
VUSA variant was found, but current evidence is not enough to classify it. Your counselor can explain follow-up.
07

Questions people ask

Frequently asked questions

The DDX3X gene provides instructions for making a protein essential for brain development and function. Mutations in this gene can lead to intellectual disability and other neurological symptoms.
Individuals with unexplained developmental delays, intellectual disabilities, or a family history of related conditions may benefit from this test. Discuss with your doctor or a genetic counselor.
A positive result indicates the presence of a mutation in the DDX3X gene. This information can help confirm a diagnosis and guide further management. Genetic counseling is recommended to discuss the implications.
Yes, genetic counseling before and after testing is highly recommended. It helps individuals and families understand the test, its potential results, and the implications for their health and family.
A sample is typically collected via a blood draw. In some cases, extracted DNA may be used. Confirm the specific requirements with the laboratory.
08

Collaboration

Open for partnership with hospitals, clinics, doctors & researchers

Whether you are referring patients, building a research programme or supporting students, we work as an extension of your team — with responsive communication and clear scientific standards.

Hospitals & clinics

Referral pathways, coordinated sample logistics and shared reporting that fits your clinical workflow.

Doctors & specialists

LOINC-coded reports, ACMG-based variant classification and a direct scientific line for complex cases.

Research institutions

Sanger sequencing, NGS panels and custom assays — with project design support, batch pricing and agreed turnaround commitments.

Students & academic projects

Discounted laboratory services for college, master's and PhD research projects — including proposal guidance and cost-effective batch testing.

Explore partnerships
09

Trust & transparency

Sources, standards & how this page is maintained

Standards & references

  • ACMG/AMP technical standards for sequence variant interpretation
  • ClinGen curation and gene–disease validity frameworks where applicable
  • LOINC-coded reporting for interoperable results
  • ISO 9001:2015 quality management; ISO 15189 accreditation in progress

Page provenance

  • Last updated: September 27, 2026
  • Medical review: not yet completed
  • Written for patients & clinicians in Kenya; reviewed periodically against current guidance

Medical disclaimer: this page is general information, not a diagnosis or personal medical advice. Testing decisions and result interpretation should be made with a qualified healthcare professional.

Keep exploring

Related tests

View all tests →
Chat on WhatsApp