Q30.0 is the ICD-10 code for Choanal atresia. It is a four-character subcategory of Q30 (Congenital malformations of nose), the most specific level in the WHO edition. It belongs to the block Q30–Q34 (Congenital malformations of the respiratory system) in Chapter XVII, Congenital malformations, deformations and chromosomal abnormalities.
- Code type
- Subcategory (4 characters)
- Chapter
- XVII · Q00–Q99
- Classification
- WHO ICD-10, 2019 version
What Q30.0 includes
Conditions and terms that are coded here.
- Atresia
- of nares (anterior)(posterior)
- Congenital stenosis
- of nares (anterior)(posterior)
Q30.0 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q30.0Koanalatresi
Q30.0Choanal atresi
DQ300Koanal atresi
- DQ300AAtresi af næsebor
- DQ300BMedfødt koanal stenose
Q30.0Synnynnäinen nenänieluaukkojen umpeuma
Q30.0Choanalatresie
Q30.0Atrésie des choanes
Q30.0choanale atresie
Q30.0Choanal atresia
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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