| J68 | Respiratory conditions due to inhalation of chemicals, gases, fumes and vapors | NON-BILLABLE CODE |
| J68.0 | Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors | BILLABLE CODE |
| J68.2 | Upper respiratory inflammation due to chemicals, gases, fumes and vapors, not elsewhere classified | BILLABLE CODE |
| J68.3 | Other acute and subacute respiratory conditions due to chemicals, gases, fumes and vapors | BILLABLE CODE |
| J68.4 | Chronic respiratory conditions due to chemicals, gases, fumes and vapors | BILLABLE CODE |
| J68.8 | Other respiratory conditions due to chemicals, gases, fumes and vapors | BILLABLE CODE |
| J68.9 | Unspecified respiratory condition due to chemicals, gases, fumes and vapors | BILLABLE CODE |
