ICD-11 classes
13 Diseases of the digestive system
Diseases of the stomach or the duodenum
Ulcer of stomach or duodenum
DA63 — Duodenal ulcer
DA63.5 — Duodenal ulcer due to external causes

ICD-11 DA63.5 — Duodenal ulcer due to external causes

Duodenal ulcer caused by external substances, such as alcohol, radiation, chemical agent and by other external causes.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code DA63.5 contains 5 clarifying diagnoses:

1. DA63.50 — Drug-induced duodenal ulcer
2. DA63.51 — Radiation duodenal ulcer
3. DA63.52 — Chemical duodenal ulcer
4. DA63.5Y — Duodenal ulcer due to other specified external causes
5. DA63.5Z — Duodenal ulcer due to external causes, unspecified

The diagnosis is coded elsewhere:

• Duodenal ulcer #13770
• Duodenal ulcer due to external causes #13776