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FGFR3 Gene Crouzon syndrome with acanthosis nigricans NGS Genetic Test

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FGFR3 Gene Crouzon syndrome with acanthosis nigricans NGS Genetic Test

Short Name: FGFR3 Crouzon AN NGS Test

Also known as: Crouzonodermoskeletal syndrome, FGFR3-related craniosynostosis with acanthosis nigricans

FGFR3 Gene Crouzon syndrome with acanthosis nigricans 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 Test🏠 Home Collection

🩺 Medically Reviewed By

Overview

To identify pathogenic mutations in the FGFR3 gene associated with Crouzon Syndrome with Acanthosis Nigricans, enabling accurate diagnosis, genetic counseling, and informed treatment decisions.

Test Code
4875
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 special preparation required. Provide detailed clinical history and family pedigree during genetic counseling.

Method: Venipuncture

Step 2

Laboratory Analysis

A blood sample will be collected via venipuncture by a trained phlebotomist.

Step 3

Report Delivery

Apply gentle pressure to the puncture site with a cotton ball to stop bleeding. Avoid strenuous activity for a few hours.

Timeline: 3 to 4 Weeks

Patient Instructions

1
Before the Test:No special preparation required. Provide clinical history and family pedigree during genetic counseling.
2
During the Test:Blood sample collection via venipuncture, followed by NGS analysis in the laboratory.
3
After the Test:Apply pressure to the puncture site. Await results in 3-4 weeks and consult a healthcare provider for interpretation.

About This Test

Who Should Get This Test

To identify pathogenic mutations in the FGFR3 gene associated with Crouzon Syndrome with Acanthosis Nigricans, enabling accurate diagnosis, genetic counseling, and informed treatment decisions.

How to Prepare

  • Ensure proper patient identification
  • Use sterile collection equipment
  • Label samples accurately with patient details
  • Store samples at recommended temperature

Doctor's Notes

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

"This test is essential for early diagnosis and management of Crouzon Syndrome with Acanthosis Nigricans, particularly in families with a history of craniosynostosis or skin disorders."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeBlood or Extracted DNA or One drop Blood on FTA Card
Collection MethodVenipuncture

Sample Stability

Blood: Stable for 48 hours at room temperature
Extracted DNA: Stable for years if stored at -20°C or below
Sample Rejection Criteria:
  • Hemolyzed or clotted samples
  • Insufficient sample volume
  • Improper labeling or documentation
  • Contaminated samples

Understanding Your Results

Results indicate the presence or absence of pathogenic mutations in the FGFR3 gene. Positive results confirm a genetic basis for Crouzon Syndrome with Acanthosis Nigricans, while negative results may require further clinical evaluation.
📊

Positive

Pathogenic mutation detected in FGFR3 gene, consistent with diagnosis of Crouzon Syndrome with Acanthosis Nigricans.

📊

Negative

No pathogenic variants detected in FGFR3 gene. Clinical correlation is advised, and other genetic causes may be considered.

📊

Variant of Uncertain Significance (VUS)

A genetic variant was found but its clinical significance is unclear. Genetic counseling and follow-up testing may be recommended.

⚠️ When to Consult a Doctor:

Consult a geneticist, dermatologist, or craniofacial specialist if symptoms persist, if there is a family history of the condition, or after receiving test results for management and counseling.

Limitations

  • May not detect all genetic variants or mosaicism
  • Requires clinical correlation and genetic counseling for interpretation
  • Limited to FGFR3 gene analysis only

Risks & Considerations

  • Minimal risk from blood draw, such as bruising or infection at the puncture site
  • No significant risks associated with NGS analysis

Interfering Factors

  • Sample contamination
  • Degraded DNA quality
  • Improper sample storage

Compare With Similar Tests

TestFGFR3 Gene Crouzon syndrome with acanthosis nigricans NGS Genetic TestFGFR2 Gene Craniosynostosis TestComprehensive Craniofacial Gene Panel
ComparisonFGFR3 Gene Crouzon syndrome with acanthosis nigricans NGS Genetic TestTargets FGFR2 gene for other craniosynostosis syndromes like Apert syndrome.Analyzes multiple genes associated with craniofacial disorders, broader than single-gene testing.

Frequently Asked Questions

What is Crouzon Syndrome with Acanthosis Nigricans?
It is a rare genetic disorder combining Crouzon Syndrome (affecting skull and face development) with Acanthosis Nigricans (a skin condition causing dark, thickened patches), caused by mutations in the FGFR3 gene.
What are the common symptoms of this condition?
Symptoms include abnormal facial features, craniosynostosis, underdeveloped midface, speech and hearing problems, delayed development, obstructive sleep apnea, and acanthosis nigricans.
How is the FGFR3 Gene Test performed?
The test uses next-generation sequencing (NGS) to analyze the FGFR3 gene from a blood or DNA sample, identifying mutations associated with the condition.
What is the cost of the FGFR3 Gene Crouzon Syndrome with Acanthosis Nigricans NGS Genetic Test?
The test costs INR 20000, with home sample collection available across India at no additional charge.
Is home sample collection available for this test?
Yes, DNA Labs India offers free home sample collection for online bookings in numerous cities across India.
How long does it take to get the test results?
Results are typically available within 3 to 4 weeks after sample collection.
What does a positive test result mean?
A positive result indicates the presence of a pathogenic mutation in the FGFR3 gene, confirming a genetic diagnosis of Crouzon Syndrome with Acanthosis Nigricans.
Can this test be used for prenatal diagnosis?
This test is primarily for postnatal diagnosis. For prenatal testing, consult a genetic counselor for appropriate options like chorionic villus sampling or amniocentesis.
Are there any risks associated with the test?
The test involves minimal risks from blood draw, such as bruising or infection. NGS analysis itself poses no direct risks.
How accurate is the NGS Genetic Test?
NGS technology provides high accuracy for detecting mutations in the FGFR3 gene, but results should be interpreted in conjunction with clinical findings.
What should I do if I have a family history of this condition?
Consider genetic testing and counseling. Early diagnosis can help in management and family planning.
Is genetic counseling provided with the test?
Yes, DNA Labs India includes genetic counseling as part of the test package to help interpret results and provide guidance.
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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Stored in India: All patient records are stored on servers located in India. No data is transferred outside the country.

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