Congenital malformations of nose (Q30) ICD-10-CM
The Q30 code range covers congenital malformations of nose with 7 ICD-10-CM diagnosis codes. 6 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- congenital deviation of nasal septum Q67.4
Codes in the Q30 Range 7 codes · 6 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the Q30 range.
Choanal Atresia
A congenital abnormality that is characterized by a blocked CHOANAE, the opening between the nose and the NASOPHARYNX. Blockage can be unilateral or bilateral; bony or membranous.
About the Q30 Code Range
The ICD-10 codes in the Q30 category classify various congenital malformations of the nose. These codes help specifically identify developmental nasal abnormalities present at birth, such as choanal atresia (Q30.0) and agenesis or underdevelopment of the nose (Q30.1), among others.
These diagnosis codes cover a range of nasal deformities, from complete or partial blockage of the nasal passage like choanal atresia—also known by terms such as posterior or anterior nares atresia—to structural variations such as a bifid or cleft nose (Q30.2), and rare anomalies like congenital perforated nasal septum (Q30.3). The section also includes less common or unspecified nose malformations (Q30.8, Q30.9), which incorporate conditions sometimes described as supratip dysplasia, saddle nose, or even whole nasal agenesis. Recognizing these synonyms alongside their corresponding ICD-10 codes aids healthcare professionals and coders in accurately documenting conditions related to congenital nasal malformations. This precise classification supports appropriate diagnosis, treatment planning, and health records management.
Questions About This Page
How many billable codes are in the Q30 range?
Of the 7 codes in this range, 6 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Q30 range classify?
The range classifies congenital malformations of nose. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
