| J20 | Acute bronchitis | NON-BILLABLE CODE |
| J20.0 | Acute bronchitis due to Mycoplasma pneumoniae | BILLABLE CODE |
| J20.1 | Acute bronchitis due to Hemophilus influenzae | BILLABLE CODE |
| J20.2 | Acute bronchitis due to streptococcus | BILLABLE CODE |
| J20.3 | Acute bronchitis due to coxsackievirus | BILLABLE CODE |
| J20.4 | Acute bronchitis due to parainfluenza virus | BILLABLE CODE |
| J20.5 | Acute bronchitis due to respiratory syncytial virus | BILLABLE CODE |
| J20.7 | Acute bronchitis due to echovirus | BILLABLE CODE |
| J20.8 | Acute bronchitis due to other specified organisms | BILLABLE CODE |
| J20.9 | Acute bronchitis, unspecified | BILLABLE CODE |
