Convert ICD-10 Code J41.0 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
J41.0 Simple chronic bronchitis		491.0 Simple chr bronchitis

ICD-10 to ICD-9 crosswalk for code J41.0 - simple chronic bronchitis based on the most recent General Equivalence Mappings (GEMS) information.