bronchopneumonia A pneumonia involving inflammation of lungs that begins in the terminal bronchioles, which become clogged with thick mucus that forms consolidated patches in adjacent lobules. It is caused by bacteria and viruses. Chest infection - unspecified bronchopneumonia DOID:12375 ICD10CM:J18.0 ICD9CM:485 MESH:D001996 NCI:C26710 SNOMEDCT_US_2016_03_01:155551009 SNOMEDCT_US_2016_03_01:195914001 SNOMEDCT_US_2016_03_01:266352008 SNOMEDCT_US_2016_03_01:396285007 SNOMEDCT_US_2016_03_01:67814005 UMLS_CUI:C0006285 bronchial pneumonia disease_ontology lobular pneumonia pneumonia