Bronchoscopy is a test to view the airways and diagnose lung disease. It may also be used during the treatment of some lung conditions.
Pulmonary function tests (PFTs) are lung tests. They show how well your lungs work. They’re noninvasive, which means that the doctor doesn’t cut you or put any tools inside your body.
An allergy test is an exam performed by a trained allergy specialist to determine whether your body has an allergic reaction to a known substance.
Polysomnography, also called a sleep study, is a comprehensive test used to diagnose sleep disorders.