K22.1 is the ICD-10 code for Ulcer of oesophagus. It is a four-character subcategory of K22 (Other diseases of oesophagus), the most specific level in the WHO edition. It belongs to the block K20–K31 (Diseases of oesophagus, stomach and duodenum) in Chapter XI, Diseases of the digestive system.
- Code type
- Subcategory (4 characters)
- Chapter
- XI · K00–K93
- Classification
- WHO ICD-10, 2019 version
What K22.1 includes
Conditions and terms that are coded here.
- Erosion of oesophagus
- Ulcer of oesophagus:
- NOS
- due to ingestion of: chemicals
- due to ingestion of: drugs and medicaments
- fungal
- peptic
- Ulcerative oesophagitis
Coding notes
- Use additional external cause code (Chapter XX), if desired, to identify cause.
K22.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
K22.1Sår i esofagus
K22.1Sår i spiserør
DK221Ulcus i spiserøret
- DK221AErosion i spiserøret
- DK221BPeptisk ulcus i spiserøret
- DK221CUlcus i spiserøret forårsaget af svampeinfektion
- DK221DUlcus i spiserøret forårsaget af kemikalie
- DK221EUlcus i spiserøret forårsaget af lægemiddel
- DK221FUlcerativ øsofagitis UNS
K22.1Ösophagusulkus
K22.1Ulcère de l'œsophage
K22.1ulcus van slokdarm
Listed through more specific codes:
- K22.10Ulcer of esophagus without bleeding
- K22.11Ulcer of esophagus with bleeding
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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