2007 ICD-9-CM Diagnosis 491.* : Chronic bronchitis

Free Online ICD-9-CM Diagnosis Codes > 2007 > Diseases Of The Respiratory System 460-519 > Chronic Obstructive Pulmonary Disease And Allied Conditions 490-496 > Chronic bronchitis 491.* > 
ICD-9-CM Diagnosis Code 491 Chronic bronchitis
condition characterized by persistent coughing, increased secretion from the bronchial mucosa, obstruction of the respiratory passages, scanty or profuse expectoration, and necrosis and fibrosis of the respiratory tract.
ICD-9-CM Diagnosis Code 491.0Simple chronic bronchitis
ICD-9-CM Diagnosis Code 491.1Mucopurulent chronic bronchitis
ICD-9-CM Diagnosis Code 491.2 Obstructive chronic bronchitis
ICD-9-CM Diagnosis Code 491.20Obstructive chronic bronchitis without exacerbation
ICD-9-CM Diagnosis Code 491.21Obstructive chronic bronchitis with (acute) exacerbation
ICD-9-CM Diagnosis Code 491.22Obstructive chronic bronchitis with acute bronchitis
ICD-9-CM Diagnosis Code 491.8Other chronic bronchitis
ICD-9-CM Diagnosis Code 491.9Unspecified chronic bronchitis
condition characterized by persistent coughing, increased secretion from the bronchial mucosa, obstruction of the respiratory passages, scanty or profuse expectoration, and necrosis and fibrosis of the respiratory tract.
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