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SPTBN5 Gene Neuronal migration disorder NGS Genetic Test

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SPTBN5 Gene Neuronal migration disorder NGS Genetic Test

Short Name: SPTBN5 NGS Test

Also known as: SPTBN5 Gene Sequencing, Neuronal Migration Disorder Genetic Test, SPTBN5 NGS Genetic Test

SPTBN5 Gene Neuronal migration disorder 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 Reports are typically delivered within 3 to 4 weeks from receipt of sample at the laboratory.. Free home collection in 300+ cities across India.

NGS Genetic TestAll Ages🏠 Home Collection

🩺 Medically Reviewed By

Overview

The purpose of this test is to identify pathogenic variants in the SPTBN5 gene associated with neuronal migration disorders. The test uses NGS technology to analyze the gene in a patient's DNA sample, aiding in diagnosis, prognosis, and recurrence risk assessment.

Test Code
4409
Price
₹20,000
Sample Type
Blood or Extracted DNA or One drop Blood on FTA Card
Result Time
Reports are typically delivered within 3 to 4 weeks from receipt of sample at the laboratory.
Fasting Required
No
Method
Next Generation Sequencing (NGS)
Step 1

Sample Collection

No special preparation is required. Fasting is not needed. Provide full clinical history of the patient. A genetic counselling session is required to draw a pedigree chart of family members affected with SPTBN5 gene neuronal migration disorder.

Method: Venipuncture / FTA Card spot

Step 2

Laboratory Analysis

Sample collection involves venipuncture (blood) or a simple blood spot on an FTA card. There are no specific during-collection precautions.

Step 3

Report Delivery

No specific after-collection restrictions. Patient can resume normal activities.

Timeline: Reports are typically delivered within 3 to 4 weeks from receipt of sample at the laboratory.

Patient Instructions

1
Before the Test:Schedule a genetic counselling session to provide family history and understand the test implications.
2
During the Test:A blood sample will be taken, or a few drops of blood will be spotted on an FTA card at the time of collection. No pain or special precautions are expected.
3
After the Test:No post-test restrictions. The lab will process the sample and the report will be shared within 3 to 4 weeks.

About This Test

Who Should Get This Test

The purpose of this test is to identify pathogenic variants in the SPTBN5 gene associated with neuronal migration disorders. The test uses NGS technology to analyze the gene in a patient's DNA sample, aiding in diagnosis, prognosis, and recurrence risk assessment.

How to Prepare

  • Specimen must be labeled with patient's full name and date of birth
  • Fill the requisition form completely with clinical history and physician details
  • Blood sample should be collected in an EDTA tube
  • FTA card should be air-dried after applying the blood spot
  • Ship the sample at ambient temperature to the laboratory

Doctor's Notes

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

"Early genetic confirmation allows better family counseling and management planning for neuronal migration disorders."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeBlood or Extracted DNA or One drop Blood on FTA Card
Sample VolumeAs per lab protocol
ContainerEDTA tube / FTA Card
Collection MethodVenipuncture / FTA Card spot
Sample Rejection Criteria:
  • Improperly labeled sample
  • Clotted blood sample
  • Insufficient quantity of sample
  • Leaked or broken specimen container

Understanding Your Results

This NGS test identifies sequence variants in the SPTBN5 gene. Results are interpreted in the context of clinical presentation and family history. The molecular report should be reviewed by a clinical geneticist or neurologist.
📊

Positive for a pathogenic variant in SPTBN5

Consistent with a diagnosis of neuronal migration disorder. Genetic counselling and family screening are recommended.

📊

Variant of uncertain significance (VUS)

Further segregation analysis, functional studies, or additional genetic testing may be needed to clarify the significance.

📊

No pathogenic variants detected

This does not exclude the diagnosis, as other genes or variants not detectable by NGS may be involved.

⚠️ When to Consult a Doctor:

If you or your child have persistent seizures, developmental delays, or muscle tone abnormalities, consult a neurologist or clinical geneticist for evaluation and genetic counselling.

Limitations

  • NGS may not detect large deletions, duplications, or structural rearrangements
  • Variant interpretation may require additional confirmatory testing
  • Phenotype may be influenced by modifier genes or other genetic factors

Risks & Considerations

  • Minimal risk of bleeding, bruising, or infection at the needle puncture site for blood collection. FTA card spot involves no needle and is essentially risk-free.

Interfering Factors

  • Low DNA quality
  • Sample contamination
  • PCR amplification errors
  • Hematological malignancy may affect DNA yield

Frequently Asked Questions

What is the cost of the SPTBN5 gene neuronal migration disorder NGS test?
The test costs INR 20000 at DNA Labs India, which includes genetic counselling and free home sample collection in many cities across India.
What is SPTBN5 gene?
SPTBN5 encodes beta-III spectrin, a protein important for neuronal migration. Variants in this gene can contribute to neuronal migration disorders.
What is a neuronal migration disorder?
It is a group of genetic conditions caused by abnormal movement of neurons during fetal brain development, leading to structural brain malformations and symptoms like seizures and developmental delay.
How is the test performed?
A blood sample is collected or a few drops of blood are spotted on an FTA card. The laboratory uses NGS technology to sequence the SPTBN5 gene and identify variants.
Do I need to fast before the test?
No, fasting is not required for this test.
Which sample types are accepted?
Accepted sample types include blood in an EDTA tube, extracted DNA, or one drop of blood on an FTA card.
What is the turnaround time for results?
The report is typically available within 3 to 4 weeks from the time the sample is received at the laboratory.
Who should undergo this test?
Individuals with symptoms such as seizures, developmental delay, intellectual disability, or a family history of neuronal migration disorder should consider this test.
Will the test detect all genetic causes of neuronal migration disorders?
No, this test only analyzes the SPTBN5 gene. Other genes can also cause similar disorders and may require a larger panel or whole exome sequencing.
Is a genetic counselling session available?
Yes, a genetic counselling session is included in the test protocol to discuss family history and draw a pedigree chart.
Can this test be done during pregnancy?
This particular test is designed for postnatal diagnosis. For prenatal testing options, you should consult your physician and genetic counsellor.
Is the test covered by insurance?
Insurance coverage varies by provider and policy. DNA Labs India offers a special discounted price of INR 20000. Please check with your insurance company for reimbursement options.
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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Your medical data is protected under Indian law.

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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