Q31.1 is the ICD-10 code for Congenital subglottic stenosis. It is a four-character subcategory of Q31 (Congenital malformations of larynx), 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
Q31.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q31.1Medfødt subglottal stenose
DQ311Medfødt subglottisk stenose
Q31.1Synnynnäinen ääniraon alapuolinen kurkunpään ahtauma
Q31.1Angeborene subglottische Stenose
Q31.1Sténose sousglottique congénitale
Q31.1congenitale subglottisstenose
Q31.1Congenital subglottic stenosis
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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