Test Name
ZIEHL-NEELSEN (ZN STAIN) FOR ACID FAST BACILLI (AFB)
Aliases
AFB/ZN STAIN
Abbreviations
AFB STAIN
Test Classification
GROUPED TEST
Department
MICROBIOLOGY
Sub Department
MYCOBACTERIOLOGY
TAT Category
ELAPSED (CONTINUOUS) TIME
Estimated TAT
1
TAT Units
DAYS
Test Requirements
Various sample types may be submitted for this test e.g. sputum, ascitic fluid, pericardial fluid, tissue etc.
Exact sample/ fluid type must be specified.
Clinical Utility
Diagnosis of mycobacterial infection/ M. tuberculosis
Last Review
26th Feb 2026