Q33.6 Congenital hypoplasia and dysplasia of lung
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The ICD-10-CM code for Congenital hypoplasia and dysplasia of lung is Q33.6 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- Q30-Q34: Congenital malformations of the respiratory system (Q30-Q34)
- Category Q33
- 10 codes (9 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to Q33.6:
- Hypoplasia, hypoplastic › pulmonary (not associated with short gestation)
- Dysplasia › lung, congenital (not associated with short gestation)
- Undeveloped, undevelopment › lung
- Hypoplasia, hypoplastic › lung (lobe) (not associated with short gestation)
- Development › imperfect, congenital › lungs
- Inadequate, inadequacy › development › lungs
U.S. Hospital Utilization
- An estimated 5,355 U.S. inpatient stays in 2023 included Q33.6 among the documented diagnoses.
- 60 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
POA indicator for congenital conditions/anomalies and Q00-Q99 exceptionCongenital conditions and anomalies Assign “Y” for congenital conditions and anomalies except for categories Q00- Q99, Congenital anomalies, which are on the exempt list. Congenital conditions are always considered present on admission.
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026
References
Cite This Page
Reference Q33.6 with the canonical source and edition:
Q33.6 — Congenital hypoplasia and dysplasia of lung. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/Q33.6
Canonical URL: https://icd10codingpro.com/codes/Q33.6