The cobas® MTB test by Roche Diagnostics has been added to the WHO Prequalification list, supporting access to quality‑assured molecular tuberculosis diagnostics. Timely and accurate TB testing is essential to enable early treatment, reduce transmission, and improve outcomes—yet access to reliable diagnostics remains uneven in many high‑burden settings. This listing helps countries and procurement agencies make informed choices and strengthens global efforts to scale up TB diagnosis and care.