Diagnosis Code:
491.9
Short Description:
Chronic bronchitis NOS
Long Description:
Unspecified chronic bronchitis
Code Classification:
-
Diseases of the respiratory system (460–519)
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Chronic obstructive pulmonary disease and allied conditions (490-496)
-
491 Chronic bronchitis
-
491.9 Chronic bronchitis NOS
Code Version: 2015 ICD-9-CM