Quick Reference
- Full form
- CSF For AFB Smear/ZN Stain
- Sample type
- CSF
- Fasting
- Not required
- Sample collection
- Sample collected by your treating doctor via lumbar puncture
- Marker measured
- 1
- Report turnaround
- Same day
- Available at
- All locations
About CSF For AFB Smear/ZN Stain
This test examines cerebrospinal fluid (CSF) for tuberculosis bacteria using the ZN staining method, typically ordered when TB meningitis is suspected, a serious condition needing urgent diagnosis.
No fasting is required for the lab processing, and given the urgency, results are available the same day.
How to Prepare
- This sample is collected by your doctor via lumbar puncture.
- No special preparation is needed from you directly.
Frequently Asked Questions
What does this CSF test check for?
It checks for tuberculosis bacteria in cerebrospinal fluid, typically when TB meningitis is suspected.
How is the CSF sample collected?
Your doctor collects the CSF sample through a lumbar puncture procedure; our lab handles the analysis once it arrives.
Why is this test urgent?
TB meningitis is a serious condition needing fast diagnosis and treatment, so we prioritise same day results.
Do I need to fast before this test?
No fasting is required for the lab analysis.
How soon will my report be ready?
Same day, given the urgency involved.
Can City Care Lab process CSF samples from hospitals?
Yes, we regularly process CSF samples referred from hospitals and clinics across Gujranwala, Sialkot and Daska.
This page provides general health information and is not a substitute for medical advice. Speak with your doctor about your specific results and treatment.