Q40.0 is the ICD-10 code for Congenital hypertrophic pyloric stenosis. It is a four-character subcategory of Q40 (Other congenital malformations of upper alimentary tract), the most specific level in the WHO edition. It belongs to the block Q38–Q45 (Other congenital malformations of the digestive 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 Q40.0 includes
Conditions and terms that are coded here.
- Congenital or infantile:
- constriction of pylorus
- hypertrophy of pylorus
- spasm of pylorus
- stenosis of pylorus
- stricture of pylorus
Q40.0 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q40.0Medfødt hypertrofisk pylorusstenose
DQ400Medfødt pylerospasme
Q40.0Synnynnäinen hypertrofinen mahanportin ahtauma
Q40.0Angeborene hypertrophische Pylorusstenose
Q40.0Sténose hypertrophique congénitale du pylore
Q40.0hypertrofische pylorusstenose, congenitaal
Q40.0Congenital hypertrophic pyloric 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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