This study aimed to assess the genotype frequencies of ABCB1 rs2032582 and SLCO1B1 rs4149015; describe moxifloxacin AUC0–24 and Cmax; and evaluate the association between genotype variations and moxifloxacin AUC0–24 and Cmax, corrected for the effect of other determinants in MDR-TB patients in Indonesia. Here, ABCB1 is linked to tuberculosis.