Lippincott Williams & Wilkins

COPD and OLD 490 Bronchitis 491.0 Simple chronic bronchitis 491.1 Mucoprulent chronic bronchitis 491.2 Obstructive chronic bronchitis 491.20 W/out mention of acute exacerbation 491.21 W/acute exacerbation 491.8 Other chronic exacerbation 491.9 Unspecified chronic bronchitis 492.0 Emphysematous bleb 492.8 Emphysema nec 496 Chronic airway ... ................
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