Q31.9 is the ICD-10 code for Congenital malformation of larynx, unspecified. 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
Q31.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q31.9Uspesifisert medfødt misdannelse i strupehode
DQ319Medfødt misdannelse i strubehovedet UNS
Q31.9Määrittämätön synnynnäinen kurkunpääepämuodostuma
Q31.9Angeborene Fehlbildung des Kehlkopfes, nicht näher bezeichnet
Q31.9Malformation congénitale du larynx, sans précision
Q31.9congenitale misvorming van larynx, niet-gespecificeerd
Q31.9Congenital malformation of larynx, unspecified
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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