ICD-10-CM > J00-J99 > J40-J4A > J41 J41 Simple and mucopurulent chronic bronchitis Non-Billable/Non-Specific Use Additional code to identify:exposure to environmental tobacco smoke (Z77.22)exposure to tobacco smoke in the perinatal period (P96.81)history of tobacco dependence (Z87.891)occupational exposure to environmental tobacco smoke (Z57.31)tobacco dependence (F17.-)tobacco use (Z72.0) Type 2 Excludes chronic bronchitis NOS (J42)chronic obstructive bronchitis (J44.-) Codes J41.0Simple chronic bronchitisJ41.1Mucopurulent chronic bronchitisJ41.8Mixed simple and mucopurulent chronic bronchitis