What does medical code 94726 mean?

Medical code 94726 refers to a specific procedure used for measuring gas exchange in the lungs, specifically the diffusion capacity of carbon monoxide (DLCO) test. This test assesses how well oxygen and carbon dioxide are exchanged between the lungs and bloodstream. It's commonly used to evaluate patients with respiratory conditions such as chronic obstructive pulmonary disease (COPD) or pulmonary fibrosis.