Lung Diffusion Capacity Testing (DLCO)

Lung Diffusion Capacity testThis test measures how well gases (oxygen) move through the lung and into the bloodstream. A technologist will instruct you on how to perform the test and coach and encourage you to do your best.


This information has been approved by George Zeman BS, RRT, CPFT and Amy L. Olson, MD, MSPH (September 2015).