MTB DNA PCR (PUS)
Also Known As
Test Parameters Included
- Mycobacterium tuberculosis DNA Detection (Qualitative) - PCR amplification of MTB-specific genetic targets (IS6110/Rv3620) in pus sample
- Pathologist Molecular Microbiology Remark - reported as Reacted/Not Reacted with cycle threshold interpretation
Department
Methodology
Sample Required
Preparation
Schedule Report
24 hours
Emergency Report
Yes
Frequently Asked Questions
What does MTB DNA PCR in pus detect?
It detects the genetic material of Mycobacterium tuberculosis bacteria in pus samples, helping diagnose tuberculous abscesses and suppurative infections caused by TB.
Is fasting required for this test?
No, fasting is not required as this is a molecular test performed on a pus sample, not a blood metabolic test.
How is the pus sample collected?
A healthcare professional collects pus via aspiration or swab from the infected site using a sterile syringe or container, typically 5 ml volume.
What is the turnaround time?
Results are typically available within 24–48 hours at our NABL-accredited molecular biology laboratory.
What does a reactive result mean?
A reactive result indicates the presence of MTB DNA in the pus sample, suggesting active tuberculous infection. Clinical correlation and culture confirmation are recommended.
Can previous antibiotic use affect the result?
Antibiotics may reduce bacterial load but PCR detects DNA which can remain detectable for some time even after treatment has started. Inform your doctor about recent medications.
Test Description
Test Code
M22
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