ICD-11 classes
13 Diseases of the digestive system
Diseases of the stomach or the duodenum
Diseases of duodenum
Neoplasms of the duodenum
2B80.0 — Malignant neoplasms of duodenum

ICD-11 2B80.0 — Malignant neoplasms of duodenum

A primary malignant neoplasm that affects the duodenum. Representative examples include carcinoma, lymphoma, and sarcoma.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 2B80.0 contains 4 clarifying diagnoses:

  1. 2B80.00 — Adenocarcinoma of duodenum
  2. 2B80.01 — Neuroendocrine neoplasm of duodenum
  3. 2B80.0Y — Other specified malignant neoplasms of the duodenum
  4. 2B80.0Z — Malignant neoplasms of duodenum, unspecified

The diagnosis is coded elsewhere:

The diagnosis is included in 2 other classes.

  • Lymphoma of duodenum (2B33.5)
  • Malignant mesenchymal tumour of the duodenum (2B5F.2)

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