MCMedicalCodingSoftware
Q33.4

Q33.4: Congenital bronchiectasis

Billable / specific codeICD-10-CMPOA exempt

Q33.4 is a billable, specific ICD-10-CM code for congenital bronchiectasis. It is valid for submission on a claim.

Check Q33.4 with the rest of the claim: free scrubber

Other codes that can never be billed with Q33.4

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • J47Bronchiectasis
  • Q32Congenital malformations of trachea and bronchus

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Q33.4 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52466Nebulizers - Policy Article
  • A52494High Frequency Chest Wall Oscillation Devices - Policy Article
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
  • A56730Billing and Coding: Respiratory Therapy and Oximetry Services

Alphabetic index entries that lead here

  • Bronchiectasis›congenital

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q33

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.