Normal Reference Ranges
Adult
Negative Qualitative
Pediatric
Negative Qualitative
Clinical Significance
Essential rapid test for suspected pulmonary Tuberculosis. Requires 3 morning sputum samples. If positive, patient requires strict airborne isolation.
Causes of High
- Tuberculosis (Mycobacterium tuberculosis)
- Nontuberculous mycobacteria (MAC)
- Nocardia
Causes of Low
- Normal finding