ICD-11 classes
13 Diseases of the digestive system
Diseases of small intestine
Neoplasms of the small intestine
2B80 — Malignant neoplasms of small intestine
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:
- 2B80.00 — Adenocarcinoma of duodenum
- 2B80.01 — Neuroendocrine neoplasm of duodenum
- 2B80.0Y — Other specified malignant neoplasms of the duodenum
- 2B80.0Z — Malignant neoplasms of duodenum, unspecified
The diagnosis is coded elsewhere:
- Malignant neoplasms of small intestine #1980
- Malignant neoplasms of duodenum #1981
- Neoplasms of the duodenum #13762
- Malignant neoplasms of duodenum #13763
The diagnosis is included in 2 other classes.
- Lymphoma of duodenum (2B33.5)
- Malignant mesenchymal tumour of the duodenum (2B5F.2)