| ICD-10 Code | Description |
| I27.0 | Primary pulmonary hypertension |
| I27.1 | Kyphoscoliotic heart disease |
| I27.20 | Pulmonary hypertension, unspecified |
| I27.21 | Secondary pulmonary arterial hypertension |
| I27.22 | Pulmonary hypertension due to left heart disease |
| I27.23 | Pulmonary hypertension due to lung diseases and hypoxia |
| I27.24 | Chronic thromboembolic pulmonary hypertension |
| I27.29 | Other secondary pulmonary hypertension |
| I27.81 | Cor pulmonale (chronic) |
| I27.82 | Chronic pulmonary embolism |
| I27.83 | Eisenmenger's syndrome |
| I27.89 | Other specified pulmonary heart diseases |
| I27.9 | Pulmonary heart disease, unspecified |
