Clinical: - Pulmonary symptoms with nodular or cavitary opacities on chest radiograph or HRCT that show multifocal bronchiectasis with multiple small nodules. - AND sufficient exclusion of other diseases/ diagnoses. | |
Microbiological: - Positive sputum culture results of at least two separately expectorated samples. - OR positive culture results from at least one bronchial wash or lavage. - OR transbronchial or other lung biopsy with mycobacterial histopathological features AND positive culture for NTM on biopsy or on at least one or more sputum samples or bronchial washing. |