F9 Gene Thrombophilia, X-linked, due to factor IX defect NGS Genetic Test
Short Name: F9 Gene Thrombophilia Test
Also known as: Factor IX Defect Genetic Test, X-linked Thrombophilia Genetic Test, F9 Gene Mutation Test
F9 Gene Thrombophilia, X-linked, due to factor IX defect 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.
🩺 Medically Reviewed By
Dr SULOCHANA HEMCHANDRA HOLLA
Consultant Medical Geneticist · Reg: 8532
Last reviewed: September 7, 2026
Overview
The purpose of the F9 Gene Thrombophilia NGS Genetic Test is to diagnose genetic mutations in the F9 gene that cause X-linked thrombophilia due to factor IX defect. This test helps in identifying individuals at risk of abnormal blood clotting, enabling early intervention and personalized management to prevent thrombotic events such as deep vein thrombosis or pulmonary embolism.
- Test Code
- 2690
- 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)
Sample Collection
Provide detailed clinical history and undergo a genetic counseling session to draw a pedigree chart of affected family members.
Method: Blood draw via venipuncture
Laboratory Analysis
Blood sample will be collected via venipuncture from a vein in the arm.
Report Delivery
Apply pressure to the puncture site with a cotton ball to prevent bleeding and bruising.
Timeline: 3 to 4 Weeks
Patient Instructions
About This Test
Who Should Get This Test
The purpose of the F9 Gene Thrombophilia NGS Genetic Test is to diagnose genetic mutations in the F9 gene that cause X-linked thrombophilia due to factor IX defect. This test helps in identifying individuals at risk of abnormal blood clotting, enabling early intervention and personalized management to prevent thrombotic events such as deep vein thrombosis or pulmonary embolism.
How to Prepare
- No specific fasting required
- Bring identification and referral form if available
- Inform the phlebotomist of any bleeding disorders or medications
Doctor's Notes
Reviewed by Dr SULOCHANA HEMCHANDRA HOLLA — MBBS, MD (Medical Genetics) · Reg. No. 8532
"Genetic testing for F9 gene mutations is essential for early detection and management of thrombophilia, particularly in individuals with a family history of blood clots or unexplained clotting events."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
- Hemolyzed or clotted blood sample
- Insufficient sample volume
- Improperly labeled or contaminated sample
Understanding Your Results
Pathogenic variant detected
Confirms genetic predisposition to thrombophilia due to factor IX defect. Increased risk of blood clots; consult a hematologist for management and preventive strategies.
No pathogenic variant detected
No mutation identified in the F9 gene. However, clinical symptoms may still require evaluation for other causes of thrombophilia.
Variant of uncertain significance (VUS)
A genetic variant was found but its clinical significance is unknown. Further testing and family studies may be needed; genetic counseling is recommended.
Consult a doctor if you have a family history of blood clots, experience symptoms like swelling, pain, redness in limbs, shortness of breath, chest pain, or coughing up blood, or if you have unexplained clotting events.
Limitations
- ⚠May not detect all possible mutations in the F9 gene
- ⚠Results require interpretation by a genetic counselor or specialist
- ⚠Does not replace clinical evaluation for thrombophilia
Risks & Considerations
- ●Minimal risk from blood draw, such as bruising, swelling, or infection at the puncture site
- ●Rare risk of fainting or dizziness during blood collection
Interfering Factors
- ●Sample contamination or degradation
- ●Insufficient DNA quality or quantity
- ●Technical errors in sequencing
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Frequently Asked Questions
What is F9 Gene Thrombophilia?
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