All ICD10 Codes

Q33

Non-Billable
ChapterQ00–Q99
Rankcategory
Official Description

Congenital malformations of lung

Use a more specific code (9 billable)
Q33.0Congenital cystic lungQ33.1Accessory lobe of lungQ33.2Sequestration of lungQ33.3Agenesis of lungQ33.4Congenital bronchiectasisQ33.5Ectopic tissue in lungQ33.6Congenital hypoplasia and dysplasia of lungQ33.8Other congenital malformations of lungQ33.9Congenital malformation of lung, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

CH17 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • inborn errors of metabolism (E70-E88)

Clinical Hierarchy

BillableHas subcodes
CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q30-Q34Congenital malformations of the respiratory system (Q30-Q34)
Q33Congenital malformations of lungNot billable
Q33.0Congenital cystic lungBillable
Q33.1Accessory lobe of lungBillable
Q33.2Sequestration of lungBillable
Q33.3Agenesis of lungBillable
Q33.4Congenital bronchiectasisBillable
Q33.5Ectopic tissue in lungBillable
Q33.6Congenital hypoplasia and dysplasia of lungBillable
Q33.8Other congenital malformations of lungBillable
Q33.9Congenital malformation of lung, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q33:

chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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