Pulmonary hypertension due to lung diseases and hypoxia

**Inclusion terms:** - Group 3 pulmonary hypertension

**Code also:** - associated lung disease, if known, such as: - bronchiectasis (J47.-) - cystic fibrosis with pulmonary manifestations (E84.0) - interstitial lung disease (J84.-) - pleural effusion (J90) - sleep apnea (G47.3-)