Hypersensitivity Pneumonitis: Diagnosis

Several tests can be used in the diagnosis of hypersensitivity pneumonitis:

• Imaging such as a chest X-ray or high resolution chest CT scan
• Pulmonary function tests
• Cardiopulmonary exercise testing
• Bronchoscopy
• Blood tests such as antibody panels
• Sometimes, surgical lung biopsy is necessary to confirm the diagnosis of HP