Q33.3
✓ BillableAgenesis of lung
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Also Known As
Clinical Description
ICD-10-CM code Q33.3 represents agenesis of lung. This code falls under the Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code Q33.3?
ICD-10-CM code Q33.3 is "Agenesis of lung". It belongs to the category: Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0).
Is Q33.3 a billable ICD-10 code?
Yes, Q33.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Related Codes in Q33
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)