- Bronchogenic carcinoma 162.9
 - Bronchohemisporosis 117.9
 - Broncholithiasis 518.89
 - Bronchomalacia 748.3
 - Bronchomoniliasis 112.89
 - Bronchomycosis 112.89
 - Bronchonocardiosis 039.1
 - Bronchopleuropneumonia - see Pneumonia, broncho-
 - Bronchopneumonia - see Pneumonia, broncho-
 - Bronchopneumonitis - see Pneumonia, broncho-
 - Bronchopulmonary - see condition
 - Bronchopulmonitis - see Pneumonia, broncho-
 - Bronchorrhagia 786.30
 - Bronchorrhea (chronic) (purulent) 491.0
 - Bronchospasm 519.11
 - Bronchospirochetosis 104.8
 - Bronchostenosis 519.19
 - Bronchus - see condition
 - Bronze, bronzed
 - Brooke's disease or tumor (M8100/0) - see Neoplasm, skin, benign
 - Brow presentation complicating delivery 652.4
 - Brown enamel of teeth (hereditary) 520.5