Q40.1 is the ICD-10 code for Congenital hiatus hernia. 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 Q40.1 includes
Conditions and terms that are coded here.
- Displacement of cardia through oesophageal hiatus
What Q40.1 excludes
Conditions that look similar but belong under another code.
- congenital diaphragmatic hernia Q79.0
Q40.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q40.1Medfött hiatusbråck
Q40.1Medfødt hiatushernie
DQ401Medfødt hiatushernie
Q40.1Synnynnäinen hiatustyrä
Q40.1Angeborene Hiatushernie
Q40.1Hernie hiatale congénitale
Q40.1congenitale hiatushernia
Q40.1Congenital hiatus hernia
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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