Under the RNTCP, for diagnosis of MDR TB, currently drug sensitivity testing is done for:
High-Yield Explanation
Presently conventional solid egg-based Lowenstein-Jensen (LJ) media will be used for primary culture at the RNTCP accredited laboratory. DST will be performed for streptomycin (S), isoniazid (H), rifampicin (R) and ethambutol (E) only. Pyrazinamide (Z) sensitivity testing may be included at a later period of DOTS-Plus implementation. Ref: