Assertion: cystic fibrosis's function | /r/CreatedBy | extensive disease
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text: It states that it is an impairment of pulmonary function caused by extensive disease that can be evaluated under the criteria of 3.02 (chronic pulmonary insufficiency) which pertains to FEV1 readings and other tests, or if it culminates in episodes of bronchitis, pneumonia, coughing up blood, or respiratory failure every two months or at least six times a year, requiring intervention by a physician.