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DNA Labs India

TNF (RNA Detection) Qualitative Test

DNA Labs India | ISO 9001:2015 Certified

TNF (RNA Detection) Qualitative Test

Short Name: TNF RNA Detection Test

Also known as: TNF RNA Test, Tumor Necrosis Factor RNA Detection, TNF Qualitative PCR Test

TNF (RNA Detection) Qualitative Test test available at DNA Labs India for ₹5,950. Uses Real Time PCR on CSF, Whole Blood, Serum samples. Results in Results available by 3rd working day; email within 36 hours, phone within 24 hours.. Free home collection in 300+ cities across India.

Qualitative RNA Detection Test🏠 Home Collection

✍️ Written By

🩺 Medically Reviewed By

Dr SHAILAJA RAGHUNATH MURDESHWAR

Dr SHAILAJA RAGHUNATH MURDESHWAR

Consultant Physician · Reg: 8052

Last reviewed: September 7, 2026

Overview

To detect TNF RNA in blood or CSF samples for diagnosing autoimmune diseases such as rheumatoid arthritis and psoriasis, aiding in early intervention and treatment planning.

Test Code
3362
Price
₹5,950
Sample Type
CSF, Whole Blood, Serum
Result Time
Results available by 3rd working day; email within 36 hours, phone within 24 hours.
Fasting Required
No
Method
Real Time PCR
Step 1

Sample Collection

Sign consent form and provide clinical history. No fasting required unless specified by physician.

Method: Venipuncture or lumbar puncture for CSF

Step 2

Laboratory Analysis

Standard blood draw via venipuncture or CSF collection via lumbar puncture, performed by trained phlebotomist.

Step 3

Report Delivery

Apply pressure to the puncture site, bandage, and monitor for any adverse effects.

Timeline: Results available by 3rd working day; email within 36 hours, phone within 24 hours.

Patient Instructions

1
Before the Test:Sign consent form and provide clinical history. No special preparation needed.
2
During the Test:Sample collection via venipuncture or lumbar puncture; test performed using Real-Time PCR.
3
After the Test:Apply bandage, rest if needed. Await results via specified delivery methods.

About This Test

Who Should Get This Test

To detect TNF RNA in blood or CSF samples for diagnosing autoimmune diseases such as rheumatoid arthritis and psoriasis, aiding in early intervention and treatment planning.

How to Prepare

  • Bring signed consent document
  • Provide detailed clinical history
  • Ensure sample is labeled correctly
  • Sample must be shipped immediately after collection

Doctor's Notes

Reviewed by — MBBS, MD (General Medicine) · Reg. No. 8052

"This test is crucial for early detection of autoimmune disorders and guiding treatment plans, especially for conditions like rheumatoid arthritis and psoriasis."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeCSF, Whole Blood, Serum
Sample Volume5-10 mL
ContainerEDTA tube or sterile container
Collection MethodVenipuncture or lumbar puncture for CSF

Sample Stability

Blood samples: stable for 24 hours at room temperature
CSF samples: process immediately or store at 2-8°C for up to 4 hours
Sample Rejection Criteria:
  • Hemolyzed or clotted samples
  • Improperly labeled or unlabeled samples
  • Samples not shipped immediately as required

Understanding Your Results

Results are qualitative: positive indicates presence of TNF RNA, negative indicates absence. Clinical correlation is essential.
📊

Positive

TNF RNA detected, suggestive of autoimmune disease activity. Further diagnostic tests recommended.

📊

Negative

TNF RNA not detected. Does not rule out autoimmune disease; consider other tests if symptoms persist.

⚠️ When to Consult a Doctor:

If test is positive or if symptoms like joint pain, fatigue, or rash persist despite negative results.

Limitations

  • ⚠Qualitative test does not quantify TNF RNA levels
  • ⚠False positives or negatives may occur due to technical issues
  • ⚠Results should be correlated with clinical symptoms and other tests

Risks & Considerations

  • ●Minor pain or bruising at puncture site
  • ●Rare risk of infection or dizziness
  • ●Minimal risks associated with CSF collection

Interfering Factors

  • ●Hemolyzed or lipemic samples
  • ●Improper sample handling or storage
  • ●Contamination during collection

Compare With Similar Tests

TestTNF (RNA Detection) Qualitative TestANA TestRheumatoid Factor
ComparisonTNF (RNA Detection) Qualitative TestDetects antinuclear antibodies; broader screening for autoimmune diseases.Specific for rheumatoid arthritis; TNF RNA may indicate active inflammation.

Frequently Asked Questions

What is the TNF RNA Detection Qualitative Test?
It is a molecular test that detects Tumor Necrosis Factor RNA in blood or CSF samples to help diagnose autoimmune diseases.
What is the cost of the test?
The cost is INR 5950, which includes home sample collection across India.
What samples are required for the test?
CSF, whole blood, or serum samples are accepted.
How is the test performed?
The test uses Real-Time PCR technology to qualitatively detect TNF RNA.
Is fasting required before the test?
No, fasting is not required unless specified by your physician.
How long does it take to get results?
Results are typically available by the 3rd working day, with email reports within 36 hours.
What does a positive result mean?
A positive result indicates the presence of TNF RNA, which may suggest autoimmune disease activity. Consult your doctor for further evaluation.
What should I do if my test is positive?
Consult your physician for additional tests and treatment options based on your symptoms and medical history.
Are there any risks associated with the test?
Risks are minimal, such as minor bruising at the puncture site. Serious complications are rare.
Is home sample collection available?
Yes, free home sample collection is available for online bookings across many cities in India.
Which cities offer home collection?
Home collection is available in major cities including Mumbai, Delhi, Bangalore, Hyderabad, and many others listed on our website.
How accurate is the test?
The test is highly accurate using Real-Time PCR, but results should be interpreted in conjunction with clinical findings.
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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For Hospitals & Clinics

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.

LIMS Integration

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.

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