AFB- Urine (Single Sample)
Also known as: AFB Smear Examination by ZN Stain, Urine (1 sample)
Overview
Acid-fast bacilli (AFB) are bacteria that resist standard staining methods, requiring a special technique known as Ziehl-Neelsen (ZN) staining for identification.
The AFB-Smear Examination ZN Stain on Urine (Single Sample) is a microscopic test used to detect the presence of acid-fast bacilli (AFB) bacteria in the urinary tract. These bacteria, which include Mycobacterium tuberculosis (TB), have a unique waxy outer shell that makes them difficult to stain. The ZN stain specifically targets these bacteria, allowing technicians to identify them under a microscope. This test is a preliminary screening tool and a positive result may require further investigation with cultures to confirm the presence and specific type of bacteria. It can help diagnose urinary tract infections caused by Mycobacterium tuberculosis or other less common mycobacteria.
AFB Smear Examination by ZN Stain, Urine (1 sample) Price
Metropolis Healthcare is a leading diagnostics centre and pathology lab in India equipped with the latest state-of-the-art technologies that provides the AFB Smear Examination by ZN Stain, Urine (1 sample) with a clear pricing structure.
The AFB Smear Examination by ZN Stain, Urine (1 sample) Price in Mumbai is ₹ 410 .
We are committed to deliver accurate and quality results from the best labs in India with complete transparency regarding test cost and turnaround time. No matter where you are, we strive to offer patients high-quality service that is affordable and accessible.
Frequently Asked Questions
This test identifies acid-fast bacilli in your urine, indicating a potential tuberculosis infection. Detecting these bacteria is crucial for diagnosing and treating tuberculosis promptly to prevent its spread and complications.
- To diagnose tuberculosis infections
- To monitor the effectiveness of tuberculosis treatment
- To identify other mycobacterial infections
- To guide appropriate therapy for tuberculosis
- To prevent transmission of tuberculosis in close contact
This test is usually recommended if you:
- Show symptoms of tuberculosis, like a persistent cough or weight loss.
- Are in close contact with a person diagnosed with tuberculosis.
- Have a weakened immune system.
- Live in crowded or unsanitary conditions where tuberculosis spreads easily.
Abnormal results may indicate active tuberculosis or other mycobacterial infections. Seek further evaluation for an accurate diagnosis and appropriate treatment.
During this test:
- Provide a urine sample.
- The sample is analysed for acid-fast bacilli using ZN stain.
Before the test:
- Collect a spot urine sample in a sterile container.
- Ensure proper labelling with clinical history details.
- No specific dietary or medication restrictions are usually needed.
- Follow all instructions from your healthcare provider.
Other tests might include:
- Culture and sensitivity testing: Identifies the specific bacteria causing an infection and their sensitivity to antibiotics.
- GeneXpert test: Detects TB bacteria and checks for drug resistance.
- Chest X-ray: To assess lung involvement due to tuberculosis.
Acid-Fast Bacilli Smear Test and Ziehl-Neelsen Stain Test
Tuberculosis is an infectious disease caused by the Mycobacterium tuberculosis bacteria, which affects mainly the lungs but can also involve other organs. Symptoms include persistent cough, weight loss, fever, and night sweats, with treatments involving antibiotics for several months.
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Why Metropolis?
Metropolis has a team of 200 senior pathologists and over 2000 technicians delivering diagnostic solutions in the areas of routine, semi specialty and super specialty domains like Oncology, Neurology, Gynaecology, Nephrology and many more.
We offer a comprehensive range of 4000+ clinical laboratory tests and profiles, which are used for prediction, early detection, diagnostic screening, confirmation and/or monitoring of the disease.

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