Cultured AFB Antitubercular DST Rifabutin Test
Short Name: AFB DST Rifabutin Test
Also known as: AFB Culture and DST Rifabutin, Rifabutin Sensitivity Test, Antitubercular DST
Cultured AFB Antitubercular DST Rifabutin Test test available at DNA Labs India for ₹4,200. Uses Automated Fluorescent on Pure growth of Mycobacterium tuberculosis complex on appropriate media samples. Results in Report available in 21 days from sample receipt. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Kothari Ramesh Shantilal
Consultant Microbiologist · Reg: 27670
Last reviewed: September 7, 2026
Overview
To detect the presence of Mycobacterium tuberculosis through culture and assess its susceptibility to Rifabutin, guiding effective antibiotic treatment for tuberculosis.
- Test Code
- 448
- Price
- ₹4,200
- Sample Type
- Pure growth of Mycobacterium tuberculosis complex on appropriate media
- Result Time
- Report available in 21 days from sample receipt
- Fasting Required
- No
- Method
- Automated Fluorescent
Sample Collection
No special preparation required
Method: Laboratory culture or home collection
Laboratory Analysis
Sample collected via sputum or from existing laboratory cultures
Report Delivery
Store sample refrigerated and transport as per instructions to maintain stability
Timeline: Report available in 21 days from sample receipt
Patient Instructions
About This Test
Who Should Get This Test
To detect the presence of Mycobacterium tuberculosis through culture and assess its susceptibility to Rifabutin, guiding effective antibiotic treatment for tuberculosis.
How to Prepare
- Submit pure growth of Mycobacterium tuberculosis complex in a sterile container
- Ship refrigerated if submitting a fresh sample
- Ensure container is sealed in a plastic bag to prevent contamination
Doctor's Notes
Reviewed by Dr Kothari Ramesh Shantilal — MBBS, MD (Microbiology) · Reg. No. 27670
"This test is crucial for guiding tuberculosis treatment, especially in cases of suspected drug resistance, ensuring effective antibiotic selection and improving patient outcomes."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Improper sample collection or container
- Contaminated or insufficient sample
- Sample not stored or transported correctly
Understanding Your Results
Growth with Rifabutin sensitive
TB infection confirmed; Rifabutin is likely effective for treatment
Growth with Rifabutin resistant
TB infection confirmed; Rifabutin may not be effective, alternative antibiotics needed
No growth
No TB bacteria detected in the sample
Consult a doctor if symptoms persist, if results indicate drug resistance, or for guidance on TB treatment and management.
Limitations
- ⚠Requires bacterial culture, resulting in longer turnaround time compared to molecular tests
- ⚠Only tests for Rifabutin sensitivity; other drugs may need separate testing
- ⚠Dependent on sample quality and handling
Risks & Considerations
- ●No significant risks from the test itself; associated with TB infection diagnosis and management
Interfering Factors
- ●Contaminated sample due to improper collection
- ●Prior antibiotic use affecting bacterial growth
- ●Delay in sample transport or storage
Compare With Similar Tests
| Test | Cultured AFB Antitubercular DST Rifabutin Test | Sputum AFB Smear Microscopy | TB PCR Test | Chest X-ray |
|---|---|---|---|---|
| Comparison | Cultured AFB Antitubercular DST Rifabutin Test |
Frequently Asked Questions
What is the Cultured AFB Antitubercular DST Rifabutin Test?
Why is this test important for TB treatment?
How is the sample collected for this test?
What does a positive result mean?
How long does it take to get the results?
Is home sample collection available?
What is the cost of the test?
Is the test covered by insurance?
Who should get this test?
What are the symptoms of tuberculosis?
How accurate is this test?
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