J40-J4B: Chronic lower respiratory diseases
ICD-10-CM 2027 block J40-J4B in chapter 10 (Diseases of the respiratory system) has 9 categories.
- J40 – Bronchitis, not specified as acute or chronic Billable code
- J41 – Simple and mucopurulent chronic bronchitis 3 billable codes
- J42 – Unspecified chronic bronchitis Billable code
- J43 – Emphysema 5 billable codes
- J44 – Other chronic obstructive pulmonary disease 5 billable codes
- J4A – Chronic lung allograft dysfunction 3 billable codes
- J4B – Pulmonary mycetoma Billable code · New in 2027
- J45 – Asthma 18 billable codes
- J47 – Bronchiectasis 3 billable codes
Block notes
Excludes1 (not coded here):
- bronchitis due to chemicals, gases, fumes and vapors (J68.0)
Excludes2 (not included here):
- cystic fibrosis (E84.-)