Lung diffusion testing

Diffusing capacity; DLCO test

Lung diffusion testing measures how well the lungs exchange gases. This is an important part of lung testing, because the major function of the lungs is to allow oxygen to diffuse or pass into the blood from the lungs, and to allow carbon dioxide to diffuse from the blood into the lungs.

Lung diffusion testing

Lung diffusion testing measures how well oxygen passes from the air sacs in the lungs into the blood.

How the Test is Performed

How to Prepare for the Test

How the Test will Feel

Why the Test is Performed

Normal Results

What Abnormal Results Mean