Block · Chapter 10
J40-J4B Chronic lower respiratory diseases (J40-J4B)
Block J40-J4B groups 9 categories with 40 billable codes in FY2027. One code is new this year.
Where it sits
- Chapter 10 Diseases of the respiratory system (J00-J99)
- J40-J4B Chronic lower respiratory diseases (J40-J4B)
Neighbouring blocks
- Categories
- 9
- Billable codes
- 40
- CC codes
- 14
- MCC codes
- 1
- HCC V28 codes
- 23
- New FY2027
- 1
Categories in J40-J4B
FY2027 changes in J40-J4B
- J4B Pulmonary mycetoma New FY2027
Index main terms
- Asthma, asthmatic (bronchial) (catarrh) (spasmodic) → J44, J45 (55 entries)
- Bronchitis (diffuse) (fibrinous) (hypostatic) (infective) (membranous) → J40, J41, J42, J44, J45, J47 (40 entries)
- Disease, diseased → J43, J44, J47 (21 entries)
- Obstruction, obstructed, obstructive → J43, J44, J45, J47 (14 entries)
- Syndrome → J44, J47, J4A (9 entries)
- Bronchiolitis (acute) (infective) (subacute) → J44 (8 entries)
- Dyspnea (nocturnal) (paroxysmal) → J44, J45 (7 entries)
- Emphysema (atrophic) (bullous) (chronic) (interlobular) (lung) (obstructive) (pulmonary) (senile) (vesicular) → J43 (7 entries)
- Mounier-Kuhn syndrome → J47 (6 entries)
- Tracheobronchomegaly → J47 (6 entries)
- Bronchiectasis (cylindrical) (diffuse) (fusiform) (localized) (saccular) → J47 (4 entries)
- Tracheitis (catarrhal) (infantile) (membranous) (plastic) (septal) (suppurative) (viral) → J40, J42 (4 entries)
- Bleb(s) → J43 (3 entries)
- Dilatation → J47 (3 entries)
- Dysfunction → J4A (3 entries)
+19 more main terms; the search box finds them by word.
Block instructions
Excludes1
- bronchitis due to chemicals, gases, fumes and vapors (J68.0) J68.0
Excludes2
- cystic fibrosis (E84.-) E84
Notes that also apply
Chapter 10 instructions (Notes 1, Excludes2 9, Use additional code 7): printed on the chapter 10 page.