Browse Disease Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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8  Diseases of the Respiratory System
490-496   Chronic Obstructive Pulmonary Disease and Allied Conditions
491   Chronic bronchitis
491.21   With (acute) exacerbation
   Acute exacerbation of chronic obstructive pulmonary disease [COPD]
   Decompensated chronic obstructive pulmonary disease [COPD]
   Decompensated chronic obstructive pulmonary disease [COPD] with exacerbation
Excludes:    chronic obstructive asthma with acute exacerbation 493.22