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Acid-Fast Bacilli (AFB) Culture, Conventional Method

Original price was: ₹ 1,650.00.Current price is: ₹ 1,299.00.



NA, Fasting or Non Fasting: As suggested by doctor

sample requiredSample Required:

Sputum, bronchial washings, tissue specimens, or other bodily fluids.

test timeTest Time:

The test may take several weeks to provide results, as the samples need time to grow and be analyzed.

test normal rangeTest Normal Range:

The normal range does not apply to this test, as it is used to detect the presence of specific bacteria.

what is the testWhat is the Test?

The AFB (Acid-Fast Bacilli) Culture using the conventional method is a laboratory test that helps detect and identify Mycobacterium species, including Mycobacterium tuberculosis complex (which causes tuberculosis) and other non-tuberculous mycobacteria (NTM). The conventional method involves manual culturing and observation of bacterial growth.

test procedureTest Procedure:

The sample (sputum, tissue, etc.) is collected and placed in a culture medium that supports the growth of mycobacteria. The culture is incubated under controlled conditions, and trained laboratory professionals visually monitor the growth over a period of weeks.

when to take the testWhen to Take the Test:

This test is ordered when there is a suspicion of tuberculosis or other mycobacterial infections. It’s used to diagnose active infections, monitor treatment progress, and determine antibiotic susceptibility.

who should take this testWho Should Take This Test:

Individuals with symptoms like persistent cough, fever, weight loss, night sweats, or who have been exposed to someone with tuberculosis may undergo this test.

precautions for exceptional casesPrecautions for Exceptional Cases:

Pregnant individuals and those with compromised immune systems should inform their healthcare provider before taking the test.



Q1: How accurate is the AFB culture using the conventional method?

A: The conventional method is reliable but requires time and skilled observation. It is considered the gold standard for diagnosing tuberculosis.

Q2: Can the AFB culture test detect drug-resistant strains of tuberculosis?

A: Yes, the AFB culture can detect drug-resistant strains, but additional testing may be needed to determine drug susceptibility.

Q3: What happens if my AFB culture is positive?

A: A positive result indicates the presence of mycobacteria. Your healthcare provider will guide you through the next steps, which may include further testing and treatment.

Q4: Can a negative AFB culture rule out tuberculosis?

A: A negative result doesn’t completely rule out tuberculosis. Multiple samples and other tests may be needed for a conclusive diagnosis.

Q5: How can I prepare for the AFB culture test?

A: Follow your healthcare provider’s instructions for collecting and submitting the sample. Avoid eating or drinking for a few hours before providing the sample, if applicable.

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