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AFB Stain (ZN Stain) (MIC003)

Description

The AFB Stain (ZN Stain) is a specialized microbiology test used to detect Acid Fast Bacilli, particularly Mycobacterium tuberculosis, the bacterium responsible for tuberculosis (TB). Using the Ziehl-Neelsen staining technique, laboratory professionals examine clinical specimens under a microscope to identify acid-fast organisms that retain the primary stain despite acid-alcohol decolorization. This rapid and cost-effective test is commonly performed on sputum, body fluids, pus, tissue samples, and other clinical specimens when tuberculosis or mycobacterial infection is suspected. A positive result supports the diagnosis of TB or related infections, while negative findings may require further evaluation through culture or molecular methods. The AFB Stain remains an essential tool for early tuberculosis detection, treatment monitoring, and infection control programs worldwide.

 

Report Time

Fasting

Not Required

Reporting Time

12 Hours

Gender

Male/Female

Age Group

5-99 yrs.

Pre-Test Instructions:

  • Collect early morning deep cough sputum for best yield
  • Avoid contamination with saliva, food, or water
  • Rinse mouth thoroughly with water before sample collection
  • Follow the lab’s instructions for sterile container handling
  • Inform your physician if you are taking anti-tuberculosis medications

Parameters Covered

MICROBIOLOGY

- Bacteriology

रु 300

✔ Home collection available ✔ No hidden charges

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