princess jdc when ya say ya lung function is 82% are you refering to fev 1 cos if you are then thats pretty good i was lookin at a table in a cf book at how they classify lung function and found the follwing related to lung function and the severity of cf by the way this chart relates to function of fev1 70 to 90% mild
40 to 69% moderate
39% or below severe
40 to 69% moderate
39% or below severe