Q30.0
Choanal atresia
Billable code
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · Q30.0
Synonyms
Atresia of nares (anterior) (posterior) Congenital stenosis of nares (anterior) (posterior)
Inherited from Q30Congenital malformations of nose
Excludes 1
congenital deviation of nasal septum (Q67.4)
Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2
inborn errors of metabolism (E70-E88)
Note
Codes from this chapter are not for use on maternal records
Official Guidelines for Q30.0
FY 2026 ›Sections that reference Q30.0
Sections whose FY 2026 text names Q30.0, its Q30 category, or a range containing it — the chapter guidance above is the authoritative source.
Find Q30.0 in the alphabetic index
13 index paths lead to this code
- Atresia, atretic › choana
- Atresia, atretic › nares
- Atresia, atretic › nose, nostril
- Closure › congenital, nose
- Closure › nose
- Fusion, fused › choanal
- Fusion, fused › nares, nose, nasal, nostril
- Occlusion, occluded › choanal
- Occlusion, occluded › nose › congenital
- Stenosis, stenotic › nares › congenital
- Stricture › nares › congenital
- Stricture › nose › congenital
- Stricture › nostril › congenital