GeneXpert (Xpert MTB/RIF) - Extrapulmonary Test, Price, Normal Range | Sprint Diagnostics Hyderabad

Patient Preparing : No special preparation or fasting is needed for this test.

₹ 2200


GeneXpert MTB/RIF, also known as Xpert MTB/RIF, is a rapid molecular test that detects Mycobacterium tuberculosis complex (MTBC) DNA and rifampicin resistance. MTBC is the group of bacteria that causes tuberculosis (TB). The detection of rifampicin resistance serves as a surrogate marker for multidrug-resistant TB (MDR-TB). This test is specifically intended for samples from extrapulmonary sites, meaning areas outside of the lungs.

GeneXpert MTB/RIF has revolutionized TB diagnosis by offering a high degree of accuracy and much faster results than traditional culture-based tests. Additionally, the ability to simultaneously test for drug resistance allows for the immediate initiation of appropriate therapy, a key aspect in managing TB effectively, particularly MDR-TB.

Test Name GeneXpert (Xpert MTB/RIF) - Extrapulmonary
Sample Type Pus, Pleural fluid, Asitic fluid/Gastric aspirate, Tissue, CSF, Peritoneal fluid, Pericardial fluid, Synovial/Knee joint fluid or Abscess aspirate
Preparations Required No special preparation or fasting is needed for this test.
Report Time 6 hours
Price in Hyderabad ₹ 2200

What is the GeneXpert MTB/RIF test?

The GeneXpert MTB/RIF test is a rapid molecular test that detects the presence of Mycobacterium tuberculosis complex, the bacteria that causes tuberculosis, and resistance to the antibiotic rifampicin.

Why is this test important?

This test is crucial because it rapidly diagnoses tuberculosis and identifies rifampicin resistance, which is a marker for multidrug-resistant tuberculosis. Early detection allows for timely initiation of appropriate treatment, reducing the risk of disease spread and severe complications.

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What does the test involve?

The test involves collecting a sample from an extrapulmonary site, which can include various tissues or body fluids. The sample is then processed in a specialized machine that uses a technique called polymerase chain reaction to detect the bacteria's DNA.

What do the results mean?

A positive result indicates the presence of Mycobacterium tuberculosis complex and potentially resistance to rifampicin. A negative result suggests the absence of the bacteria in the sample tested.

What happens after the test?

If the test result is positive, your doctor will discuss the appropriate treatment plan, considering the presence of rifampicin resistance if detected.

What are the risks associated with this test?

There are minimal risks associated with sample collection for this test. The specific risks can depend on the type of sample collected.

What are the normal values for this test?

A normal result for this test is negative, meaning the Mycobacterium tuberculosis complex was not detected in the sample.

Which doctor should I consult if my test results are abnormal?

If your test results are positive, it's important to consult with a doctor who specializes in infectious diseases or a pulmonologist.

Is fasting required for this test?

No, fasting is not required for the GeneXpert MTB/RIF test.

What symptoms might warrant this test?

This test might be warranted if you have symptoms consistent with extrapulmonary tuberculosis, such as persistent fever, weight loss, night sweats, and site-specific symptoms like swelling or pain.

How often should this test be done?

This test is typically performed once to diagnose tuberculosis. However, it might be repeated in cases of treatment failure or relapse.

Can any factors affect the test results?

The main factor that can affect the test result is the quality of the sample. Improper sample collection, storage, or transportation might lead to false results.

What are the modifiable factors affecting the test results?

Proper collection, storage, and transportation of the sample are modifiable factors that can ensure accurate test results.

What are non-modifiable factors affecting the test results?

Non-modifiable factors include the presence or absence of the Mycobacterium tuberculosis complex in the sample.

Can I do this test at home?

No, this test requires sample collection by a healthcare professional and specialized laboratory equipment.

The GeneXpert MTB/RIF test for extrapulmonary tuberculosis is a powerful diagnostic tool. By providing quick and accurate results, it allows for prompt treatment and reduces the risk of disease transmission and progression. Always remember, effective tuberculosis control requires both accurate diagnosis and appropriate treatment.

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