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Chronic lung disease

Date: May 2011

Definition:

Confirmation by a Consultant Physician of chronic lung disease resulting in all of the following:

  • the need for continuous daily oxygen therapy on a permanent basis;
  • FEV1 being less than 40% of normal; and
  • vital capacity less than 50% of normal.

No change since April 2007

 

Definition update history:

Chronic lung disease January 2019
Chronic lung disease December 2015
Chronic lung disease September 2013
Chronic lung disease May 2012
Chronic lung disease May 2011
Chronic lung disease July 2009
Chronic lung disease April 2007

What does this mean?

Chronic lung disease can be caused by a number of conditions such as severe chronic bronchitis and emphysema and lung fibrosis. It is associated with persistent breathlessness at rest, or on minimal exertion, requiring daily oxygen therapy.

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