Liquid Biopsy cfDNA EGFR Test
Short Name: cfDNA EGFR Test
Also known as: cfDNA EGFR Test, Liquid Biopsy for EGFR Mutations, Circulating Tumor DNA EGFR Test
Liquid Biopsy cfDNA EGFR Test test available at DNA Labs India for ₹20,800. Uses Droplet Digital PCR on 10 mL whole blood in 1 Streck tube. samples. Results in Results typically available within 3-5 business days after sample receipt, as per Mon/Thu collection and Fri/Tue reporting schedule.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Pasupathy Arumugam
Consultant Pathologist · Reg: 21521
Last reviewed: September 7, 2026
Overview
For Colorectal & Lung Cancer: Detection of p.E746_A750 deletion, p.T790M mutation, and p.L858R mutation to guide treatment and monitor disease.
- Test Code
- 1182
- Price
- ₹20,800
- Sample Type
- 10 mL whole blood in 1 Streck tube.
- Result Time
- Results typically available within 3-5 business days after sample receipt, as per Mon/Thu collection and Fri/Tue reporting schedule.
- Fasting Required
- No
- Method
- Droplet Digital PCR
Sample Collection
Provide complete clinical history, including cancer diagnosis and treatment history. Avoid strenuous exercise before sample collection.
Method: Venipuncture
Laboratory Analysis
A healthcare professional will draw 10 mL of blood from a vein in the arm using a sterile needle.
Report Delivery
Apply pressure to the puncture site to prevent bruising. Sample must be shipped refrigerated and not frozen.
Timeline: Results typically available within 3-5 business days after sample receipt, as per Mon/Thu collection and Fri/Tue reporting schedule.
Patient Instructions
About This Test
Who Should Get This Test
For Colorectal & Lung Cancer: Detection of p.E746_A750 deletion, p.T790M mutation, and p.L858R mutation to guide treatment and monitor disease.
How to Prepare
- Collect 10 mL whole blood in Streck tube
- Ship refrigerated; do not freeze
- Clinical history is mandatory for accurate testing
- Label sample correctly with patient details
Doctor's Notes
Reviewed by Dr Pasupathy Arumugam — MBBS, MD (Pathology) · Reg. No. 21521
"This test is crucial for monitoring EGFR mutations in lung and colorectal cancer patients, aiding in personalized treatment decisions and early detection of resistance mutations."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Hemolyzed or clotted samples
- Incorrect sample volume or container
- Missing clinical history
- Samples stored frozen
Understanding Your Results
Detected
Mutation present; consider targeted therapy or resistance monitoring
Not Detected
Mutation absent; may indicate alternative treatment paths or no resistance
Consult your oncologist immediately upon receiving results for personalized treatment planning, especially if mutations are detected.
Limitations
- ⚠Limited to specific EGFR mutations listed
- ⚠Not a substitute for tissue biopsy in all cases
- ⚠Sensitivity may vary with tumor burden
- ⚠Cannot detect all genetic alterations in cancer
Risks & Considerations
- ●Minor bruising or pain at puncture site
- ●Rare risk of infection
- ●Fainting in sensitive individuals
Interfering Factors
- ●Hemolyzed blood samples
- ●Improper sample storage or handling
- ●Recent blood transfusions
- ●Use of certain medications affecting DNA release
Compare With Similar Tests
| Test | Liquid Biopsy cfDNA EGFR Test | Tissue Biopsy EGFR Test | Liquid Biopsy for Other Markers | Imaging Tests (CT/MRI) |
|---|---|---|---|---|
| Comparison | Liquid Biopsy cfDNA EGFR Test |
Frequently Asked Questions
What is the Liquid Biopsy cfDNA EGFR Test?
How is the test performed?
What mutations does this test detect?
Who should get this test?
How much does the test cost?
Is home sample collection available?
How long does it take to get results?
Are there any risks associated with the test?
How does this test differ from a tissue biopsy?
What should I do if the test results are positive?
Can this test be used for cancer screening?
Is the test covered by insurance?
Related Tests
Reference Laboratory Services
We serve as a reference laboratory for hospitals and clinics across India. Send samples from your facility with same-day pickup, priority processing, and results delivered through our online portal. Competitive institutional pricing available.
Your Data Privacy
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.
Book Your Test
Enter your details and we'll connect you within 15 minutes.