Q33.0

ICD-10Billable

Congenital cystic lung

Official ICD-10-CM descriptor (FY2026)

Congenital cystic lung

Q33.0 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Congenital cystic lung disease
  • Congenital honeycomb lung
  • Congenital polycystic lung disease

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • cystic fibrosis (E84.0)
  • cystic lung disease, acquired or unspecified (J98.4)

Related codes in Q33

Where this code sits

Parent code
Q33

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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