Funding Information: FPM; Mukoviszidose Institut gGmbH, Bonn, the German Cystic Fibrosis Association Mukoviszidose e.V. TS; Swedish Heart and Lung Foundation and the Swedish research council. Funding Information: The Clinical and Laboratory Standards Institute (CLSI) recommends using broth microdilution (BMD) in cation adjusted Mueller Hinton broth (CAMHB) for AST of most NTM [10,11]. There is limited data in s...