Diffusing capacity of the lungs for carbon monoxide

Diffusing capacity of the lungs for carbon monoxide (often abbreviated as DLCO) is a measure that determines how much oxygen travels from the alveoli of the lungs to the bloodstream. It is an index of the surface area available for gas exchange.

It becomes decreased in situations such as

Increased levels are sometimes associated with 2

Share article

Article information

rID: 59384
System: Chest
Synonyms or Alternate Spellings:
  • DLCO
  • Diffusing capacity of the lungs for carbon monoxide (DLCO)
  • Carbon monoxide diffusion capacity of the lung

Support Radiopaedia and see fewer ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.