J47.1 Bronchiectasis with (acute) exacerbation

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from J47 Bronchiectasis

Includes

• bronchiolectasis

Excludes1 (never code together)

• congenital bronchiectasis (Q33.4)
• tuberculous bronchiectasis (current disease) (A15.0)

Use additional code

• 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)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 280 — Chronic Obstructive Pulmonary Disease, Interstitial Lung Disorders, and Other Chronic Lung Disorders
• CMS-HCC V22: HCC 112 — Fibrosis of Lung and Other Chronic Lung Disorders
• RxHCC V08: HCC 229 — Chronic Obstructive Pulmonary Disease, Bronchiectasis, and Other Asthma
• ESRD V24: HCC 112

MS-DRG index

Defines the logic of DRG(s) 190-192 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 494.1 Bronchiectasis with acute exacerbation (approximate)

Code annotations containing back-references to J47.1

Back-references to J47

• Code Also: D81.82 Activated Phosphoinositide 3-kinase Delta Syndrome [APDS] ("bronchiectasis (J47.-)")
• Code Also: I27.23 Pulmonary hypertension due to lung diseases and hypoxia ("bronchiectasis (J47.-)")
• Type 2 Excludes: J44 Other chronic obstructive pulmonary disease ("bronchiectasis (J47.-)")

Diagnosis Index entries for J47.1

• Bronchiectasis (cylindrical) (diffuse) (fusiform) (localized) (saccular) › with › exacerbation (acute)
• Dilatation › bronchial › with › exacerbation (acute)
• Disease, diseased › lung › obstructive (chronic) › with › bronchiectasis › with › exacerbation (acute)
• Mounier-Kuhn syndrome › with bronchiectasis › exacerbation (acute)
• Mounier-Kuhn syndrome › acquired › with bronchiectasis › with › exacerbation (acute)
• Obstruction, obstructed, obstructive › airway › with › bronchiectasis › with › exacerbation (acute)
• Obstruction, obstructed, obstructive › airway › chronic › with › bronchiectasis › with › exacerbation (acute)
• Syndrome › Mounier-Kuhn › with bronchiectasis › with › exacerbation (acute)
• Syndrome › Mounier-Kuhn › acquired › with bronchiectasis › with › exacerbation (acute)
• Tracheobronchomegaly › with bronchiectasis › with › exacerbation (acute)
• Tracheobronchomegaly › acquired › with bronchiectasis › with › exacerbation (acute)

Nearby codes

• J47 Bronchiectasis
• J47.0 Bronchiectasis with acute lower respiratory infection
• J47.1 Bronchiectasis with (acute) exacerbation (this code)
• J47.9 Bronchiectasis, uncomplicated