B i.e. Bronchoscopy As a rule, you can remember, for almost all cases of hemoptysis the investigation of choice is Bronchoscopy followed by HRCT; Except for hemoptysis associated with parenchymal (interstitial) lung disease where investigatim of choice is HRCT> Bronchoscopy, and in suspected bronchitis where you observe and wait for recurrence for performing Bronchoscopy.