
AFB Stain, Urine near me in Secunderabad









The AFB Stain, Urine test is used to identify the presence of Mycobacterium species, particularly Mycobacterium tuberculosis, the causative organism of tuberculosis (TB). This test involves staining urine samples to identify acid-fast bacilli under a microscope, helping to diagnose active genitourinary tuberculosis (GUTB), a form of extrapulmonary tuberculosis and distinguish them from other urinary tract infections. This test is widely available with Tata 1mg labs at an affordable price in Secunderabad.
The AFB Stain, Urine test is recommended for individuals who present with symptoms of urinary tract infections, including frequent urination, pain during urination, hematuria (blood in urine), or a persistent fever, especially when there is a suspicion of extrapulmonary tuberculosis. This test is essential for diagnosing TB in individuals who may not exhibit classic pulmonary symptoms but are at risk for TB, such as those with weakened immune systems, or those who have been in contact with people with known TB infections.
For this test, you must submit the first-morning midstream urine (part of urine that comes after the first and before the last stream) sample in a sealed and sterile screw-capped container provided by the sample collection professional. Women are advised not to give the sample during the menstrual period unless prescribed.








What does AFB Stain, Urine measure?
The AFB Stain, Urine test detects the presence of acid-fast bacilli (AFB) in urine, primarily targeting genitourinary tuberculosis, which affects the urinary tract and genital organs. The process involves staining the urine sample with a special dye that binds to the waxy cell wall of Mycobacterium tuberculosis. After staining, the sample undergoes acid-alcohol decolorization. Only acid-fast bacilli retain the color, making them visible under a microscope.
A positive result means Mycobacterium tuberculosis or other mycobacteria are present, suggesting an active genitourinary tuberculosis (TB) infection. This usually leads to further tests, like urine cultures, to confirm TB and check if the bacteria are resistant to certain drugs.
A negative result doesn’t rule out TB, especially if symptoms continue. In such cases, more tests, like imaging or a biopsy, may be needed for a clear diagnosis. The test can also detect other mycobacteria, which cause similar symptoms but need different treatments. So, the AFB Stain, Urine test is important for diagnosing genitourinary TB and helping guide treatment.





FAQs related to AFB Stain, Urine in Secunderabad
- Zajaczkowski T. Genitourinary tuberculosis: historical and basic science review: past and present. Cent European J Urol. 2012;65(4):182-7. [Accessed 06 Dec. 2024]. Available from:
- Acid Fast Bacterium [Internet]. ScienceDirect; [Accessed 06 Dec. 2024]. Available from:
- Das P, Ahuja A, Gupta SD. Incidence, etiopathogenesis and pathological aspects of genitourinary tuberculosis in India: A journey revisited. Indian J Urol. 2008 Jul;24(3):356-61.
- Tobin EH, Tristram D. Tuberculosis Overview. [Updated 2024 Dec 22]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from:
- Tuberculosis [Internet]. WHO; 29 Oct. 2024 [Accessed 06 Dec. 2024]. Available from:
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