icd,description j40,"bronchitis, not specified as acute or chronic" j41,simple and mucopurulent chronic bronchitis j41.0,simple chronic bronchitis j41.1,mucopurulent chronic bronchitis j41.8,mixed simple and mucopurulent chronic bronchitis j42,unspecified chronic bronchitis j43,emphysema j43.0,macleod's syndrome j43.1,panlobular emphysema j43.2,centrilobular emphysema j43.8,other emphysema j43.9,"emphysema, unspecified" j44.0,chronic obstructive pulmonary disease with acute lower respiratory infection j44.1,"chronic obstructive pulmonary disease with acute exacerbation, unspecified" j44.8,other specified chronic obstructive pulmonary disease j44.9,"chronic obstructive pulmonary disease, unspecified" j98.2,interstitial emphysema j98.3,compensatory emphysema