TABLE 2.

TB laboratory tests performed at the NHLS

Fluid preparation for TB microscopy

PCR tuberculosis

Mycobacterium tuberculosis complex

Identification of mycobacteria

Special TB culture materials

TB fluorescence microscopy

Standard TB microscopy

DST against PZA

TB differentiation

DST per drug

Culture TB

No growth on culture

Radiometric mycobacterium antibiotic sensitivity

Identification of M. tuberculosis

TB = tuberculosis; NHLS = National Health Laboratory Service; PCR = polymerase chain reaction; DST = drug susceptibility testing; PZA = pyrazinamide.