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DNA Labs India

AFB Identification Rapid PNB Test

DNA Labs India | ISO 9001:2015 Certified

AFB Identification Rapid PNB Test

Short Name: AFB Rapid PNB Test

Also known as: AFB Identification Test, PNB Test for Mycobacteria, Rapid AFB Detection

AFB Identification Rapid PNB Test test available at DNA Labs India for ₹1,849. Uses Automated Fluorescent Method on Pure growth of AFB on appropriate media samples. Results in Reports available in 15 days. Free home collection in 300+ cities across India.

Diagnostic🏠 Home Collection

✍️ Written By

🩺 Medically Reviewed By

Dr Kothari Ramesh Shantilal

Dr Kothari Ramesh Shantilal

Consultant Microbiologist · Reg: 27670

Last reviewed: September 7, 2026

Overview

To identify acid-fast bacteria in clinical specimens for diagnosis of tuberculosis and other mycobacterial infections.

Test Code
66
Price
₹1,849
Sample Type
Pure growth of AFB on appropriate media
Result Time
Reports available in 15 days
Fasting Required
No
Method
Automated Fluorescent Method
Step 1

Sample Collection

No special preparation required

Method: Laboratory processed or home collection

Step 2

Laboratory Analysis

Sample collected by healthcare professional

Step 3

Report Delivery

Store as per stability conditions: Room temperature for 48 hours, refrigerator for 1 month

Timeline: Reports available in 15 days

Patient Instructions

1
Before the Test:No special preparation required
2
During the Test:Test conducted in laboratory using automated fluorescent method
3
After the Test:Await results; typically available in 15 days

About This Test

Who Should Get This Test

To identify acid-fast bacteria in clinical specimens for diagnosis of tuberculosis and other mycobacterial infections.

How to Prepare

  • Submit pure growth of AFB on appropriate media
  • Use screw capped container in sealed plastic bag
  • Ship refrigerated to maintain stability

Doctor's Notes

Reviewed by — MBBS, MD (Microbiology) · Reg. No. 27670

"Early detection of AFB is crucial for effective TB management. This rapid test aids in timely diagnosis and treatment initiation."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypePure growth of AFB on appropriate media
ContainerScrew capped container in sealed plastic bag
Collection MethodLaboratory processed or home collection

Sample Stability

Room Temperature: 48 hours
Refrigerator: 1 month
Frozen: Not applicable
Sample Rejection Criteria:
  • Improperly labeled samples
  • Contaminated specimens
  • Samples not stored correctly

Understanding Your Results

Results indicate presence or absence of acid-fast bacteria, aiding in TB diagnosis.
📊

Negative

No acid-fast bacteria detected; further testing may be needed if symptoms persist.

📊

Positive

Acid-fast bacteria detected; indicates possible TB or other mycobacterial infection, requiring clinical correlation and treatment.

⚠️ When to Consult a Doctor:

If symptoms persist, test is positive, or there is known exposure to tuberculosis.

Limitations

  • ⚠Requires pure growth of AFB, which may take time
  • ⚠False negatives possible if bacterial count is low
  • ⚠Not a standalone test; used in conjunction with other diagnostics

Risks & Considerations

  • ●Minimal risk from sample collection; possible minor discomfort at collection site

Interfering Factors

  • ●Contamination of sample
  • ●Improper storage conditions
  • ●Low bacterial load in specimen

Compare With Similar Tests

TestAFB Identification Rapid PNB Test
ComparisonAFB Identification Rapid PNB Test

Frequently Asked Questions

What is the AFB Identification Rapid PNB Test?
It is a diagnostic test used to detect acid-fast bacteria (AFB) in clinical specimens, aiding in the diagnosis of tuberculosis and other mycobacterial infections.
Why is this test recommended?
It is recommended for individuals with symptoms of TB, such as persistent cough, fever, night sweats, or weight loss, or for those with known exposure to TB.
How is the sample collected for this test?
The sample is pure growth of AFB on appropriate media, collected in a screw-capped container and shipped refrigerated. Home collection is available in many cities.
Is fasting required for this test?
No, fasting is not required. No special preparation is needed from the patient.
What is the cost of the AFB Identification Rapid PNB Test in India?
The cost is INR 1848.6, with free home sample collection offered by DNA Labs India across numerous cities.
How long does it take to get the results?
Results are typically available within 15 days after sample submission.
Is home sample collection available for this test?
Yes, DNA Labs India offers free home sample collection for online bookings in many cities across India.
What are the symptoms of tuberculosis that may require this test?
Symptoms include cough lasting more than three weeks, chest pain, fever, night sweats, loss of appetite, weight loss, and fatigue.
How accurate is the AFB Identification Rapid PNB Test?
It is a reliable rapid method for AFB detection, but results should be interpreted in conjunction with other clinical findings and tests.
Can this test detect other mycobacterial infections besides TB?
Yes, it can identify acid-fast bacteria, which include various mycobacterial species, though TB is the primary focus.
What should I do if my test result is positive?
Consult a healthcare provider immediately for further evaluation, confirmation tests, and appropriate treatment initiation.
Are there any risks associated with this test?
The test itself poses minimal risks, but sample collection may involve minor discomfort. Always follow healthcare professional 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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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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