AFB Stain, Pus

Description

NA, Fasting or Non Fasting: As suggested by doctor

Sample Required:

Pus sample collected from a site of infection through a sterile procedure.

Test Time:

Results are usually available within a few hours to a day after sample collection.

Test Normal Range:

The normal range does not apply to this test. The presence of acid-fast bacilli (AFB) in the pus sample suggests a potential tuberculosis infection.

What is the Test?

The AFB Stain, Pus test is a microscopic examination of pus to detect the presence of acid-fast bacilli (AFB). AFB are characteristic of mycobacteria, including Mycobacterium tuberculosis, the causative agent of tuberculosis.

Test Procedure:

A sample of pus is collected using a sterile procedure and then processed for staining using the Ziehl-Neelsen stain. The stained slide is examined under a microscope for the presence of red-stained AFB, which appear against a blue background.

When to Take the Test:

This test is ordered when there is a suspicion of tuberculosis infection at the site of a localized abscess or infection, where pus is present.

Who Should Take This Test:

Individuals with localized infections or abscesses where tuberculosis infection is suspected may undergo this test.

Precautions for Exceptional Cases:

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