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NHEJ1 Gene Severe combined immunodeficiency with microcephaly, growth retardation, and sensitivity to ionizing radiation NGS Genetic Test

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NHEJ1 Gene Severe combined immunodeficiency with microcephaly, growth retardation, and sensitivity to ionizing radiation NGS Genetic Test

Short Name: NHEJ1 Gene SCID NGS Test

Also known as: NHEJ1 gene mutation test

NHEJ1 Gene Severe combined immunodeficiency with microcephaly, growth retardation, and sensitivity to ionizing radiation 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 TestPediatric🏠 Home Collection

🩺 Medically Reviewed By

Overview

To identify pathogenic mutations in the NHEJ1 gene responsible for severe combined immunodeficiency with microcephaly, growth retardation, and sensitivity to ionizing radiation.

Test Code
2808
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

Genetic counseling session recommended to discuss test implications.

Method: Venipuncture or FTA card collection

Step 2

Laboratory Analysis

Blood sample collected via venipuncture or one drop on FTA card.

Step 3

Report Delivery

Sample sent to laboratory for analysis.

Timeline: 3 to 4 weeks

Patient Instructions

1
Before the Test:Genetic counseling and clinical history review.
2
During the Test:Sample collection and laboratory analysis.
3
After the Test:Report generation and genetic counseling for result interpretation.

About This Test

Who Should Get This Test

To identify pathogenic mutations in the NHEJ1 gene responsible for severe combined immunodeficiency with microcephaly, growth retardation, and sensitivity to ionizing radiation.

How to Prepare

  • Schedule genetic counseling
  • Provide clinical history
  • Collect blood sample
  • Label sample correctly

Doctor's Notes

Reviewed by — MBBS, MD (Pathology) · Reg. No. 21521

"Early genetic testing for NHEJ1 mutations is crucial for timely intervention in SCID cases with microcephaly and growth retardation."

Last medically reviewed: September 3, 2026

Test Parameters & Specifications

Sample TypeBlood or Extracted DNA or One drop Blood on FTA Card
Collection MethodVenipuncture or FTA card collection
Sample Rejection Criteria:
  • Insufficient sample volume
  • Contaminated sample
  • Incorrect labeling

Understanding Your Results

Results indicate the presence or absence of pathogenic mutations in the NHEJ1 gene.
Positive: Pathogenic variant detected, indicating NHEJ1-related SCID.
Negative: No pathogenic variants detected.
Variant of uncertain significance: Further testing may be required.
⚠️ When to Consult a Doctor:

If symptoms of SCID are present or if family history suggests genetic predisposition.

Limitations

  • May not detect all types of mutations
  • Requires genetic counseling for interpretation

Risks & Considerations

  • Minimal risk from blood draw
  • Psychological impact of genetic results

Interfering Factors

  • Sample contamination
  • Degraded DNA

Frequently Asked Questions

What is the NHEJ1 Gene SCID NGS Genetic Test?
It is a genetic test that uses next-generation sequencing to detect mutations in the NHEJ1 gene, which cause severe combined immunodeficiency with microcephaly, growth retardation, and sensitivity to ionizing radiation.
What are the symptoms of NHEJ1 gene-related SCID?
Symptoms include recurrent severe infections, chronic diarrhea, frequent fevers, delayed growth, microcephaly, sensitivity to radiation, and increased cancer risk.
How is the test performed?
A blood sample or extracted DNA is collected and analyzed using NGS technology to identify mutations in the NHEJ1 gene.
What is the cost of the test?
The cost at DNA Labs India is INR 20,000.
Is home sample collection available?
Yes, free home sample collection is available for online bookings across India.
How long does it take to get results?
Results are typically available within 3 to 4 weeks.
What does a positive result mean?
A positive result indicates the presence of pathogenic mutations in the NHEJ1 gene, confirming the diagnosis of NHEJ1-related SCID.
What are the treatment options for this condition?
Treatment includes managing infections with antibiotics, growth hormone therapy, and in some cases, bone marrow or stem cell transplant.
Is genetic counseling required before the test?
Yes, genetic counseling is recommended to discuss the implications, benefits, and limitations of the test.
Can this test be done for prenatal diagnosis?
Prenatal testing may be possible, but it requires consultation with a genetic specialist.
What is the accuracy of the NGS technology?
NGS technology is highly accurate for detecting genetic mutations, but interpretation should be done by a qualified geneticist.
How can I book the test?
You can book the test online through DNA Labs India's website or by contacting their customer service.
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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