AFB smear refers to the microscopic examination of a fluorochrome stain of a clinical specimen. The AFB culture is the inoculation of a clinical specimen onto culture media Becton-Dickinson Mycobacteria Growth Indicator Tube (B-D MGIT broth) and Lowenstein-Jensen (L-J) media slant, incubation at 37°C for up to six (6) weeks and detection of growth or no growth during this incubation period.
The AFB stain (Urine) test is often ordered to determine if you are currently infected with Tuberculosis or Nocardia.
The normal value of AFB stain (Urine) test is negative.
