ICD-10-CM 2027
ICD-10 code for bronchial dilatation
From the official ICD-10-CM alphabetic index entry “Dilatation › bronchial”. Page updated September 29, 2026.
About coding bronchial dilatation
The ICD-10-CM code for bronchial dilatation is J47.9 (Bronchiectasis, uncomplicated). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on J47.9.
Within J47 (bronchiectasis), J47.9 is specifically for bronchiectasis, uncomplicated. Related codes cover with acute lower respiratory infection (J47.0) and with (acute) exacerbation (J47.1).
Use an 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.-) and 1 more.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
More specific bronchial dilatation codes (official index)
Common questions about bronchial dilatation ICD-10 codes
What is the ICD-10 code for bronchial dilatation?
- J47.9 — Bronchiectasis, uncomplicated. More specific codes apply when the documentation supports them: J47.1, J47.0.
Is J47.9 billable?
- Yes. J47.9 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J47.9 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J47.9 as a principal diagnosis.
Is J47.9 a CC or MCC?
- No. J47.9 is neither a CC nor an MCC under MS-DRG v44.0.