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	Other chronic obstructive pulmonary disease
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