Clinical Criteria Pulmonary symptoms or Nodular or cavitary opacities on CXR or Thoracic CT scan with multifocal bronchiectasis with multiple small nodules AND Exclusion of other diagnoses |
Microbiologic Criteria Positive culture results from at least two expectorated sputum samples or Positive culture result from at least one bronchial wash or lavage in patient with classic symptoms and radiographic findings for nodular bronchiectatic NTM lung disease unable to produce sputum or Lung biopsy with evidence of granulomatous inflammation or AFB on histopathology and either a tissue culture or sputum specimen or BAL washing with growth of an NTM |
Diagnosis requires both clinical and microbiological criteria. |