| J67 | Hypersensitivity pneumonitis due to organic dust |
| J67.0 | Farmer's lung |
| J67.1 | Bagassosis |
| J67.2 | Bird fancier's lung |
| J67.3 | Suberosis |
| J67.4 | Maltworker's lung |
| J67.5 | Mushroom-worker's lung |
| J67.6 | Maple-bark-stripper's lung |
| J67.7 | Air conditioner and humidifier lung |
| J67.8 | Hypersensitivity pneumonitis due to other organic dusts |
| J67.9 | Hypersensitivity pneumonitis due to unspecified organic dust |
| J68 | Respiratory conditions due to inhalation of chemicals, gases, fumes and vapors |
| J68.0 | Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors |
| J68.1 | Pulmonary edema due to chemicals, gases, fumes and vapors |
| J68.2 | Upper respiratory inflammation due to chemicals, gases, fumes and vapors, not elsewhere classified |
| J68.3 | Other acute and subacute respiratory conditions due to chemicals, gases, fumes and vapors |
| J68.4 | Chronic respiratory conditions due to chemicals, gases, fumes and vapors |
| J68.8 | Other respiratory conditions due to chemicals, gases, fumes and vapors |
| J68.9 | Unspecified respiratory condition due to chemicals, gases, fumes and vapors |
| J69 | Pneumonitis due to solids and liquids |
| J69.0 | Pneumonitis due to inhalation of food and vomit |
| J69.1 | Pneumonitis due to inhalation of oils and essences |
| J69.8 | Pneumonitis due to inhalation of other solids and liquids |
| J70 | Respiratory conditions due to other external agents |
| J70.0 | Acute pulmonary manifestations due to radiation |
| J70.1 | Chronic and other pulmonary manifestations due to radiation |
| J70.2 | Acute drug-induced interstitial lung disorders |
| J70.3 | Chronic drug-induced interstitial lung disorders |
| J70.4 | Drug-induced interstitial lung disorders, unspecified |
| J70.5 | Respiratory conditions due to smoke inhalation |
| J70.8 | Respiratory conditions due to other specified external agents |
| J70.9 | Respiratory conditions due to unspecified external agent |