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Q33

Non-billable

Congenital malformations of lung

Q33 is the ICD-10-CM code for Congenital malformations of lung. It is a non-billable category code — use a more specific child code such as Q33.0 for billing.

Status
Header (non-billable)
Chapter
Q00-Q99
Subcodes
9
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code Q33?
Q33 is the ICD-10-CM code for "Congenital malformations of lung". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q33 a billable code?
No — Q33 is a non-billable header code. Use a more specific child code (such as Q33.0) for billing.
What are the subcodes of Q33?
Q33 has 9 more specific child codes, including Q33.0, Q33.1, Q33.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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