ICD-11 classes
02 Neoplasms
Malignant neoplasms, except primary neoplasms of lymphoid,...
Malignant neoplasms, stated or presumed to be primary, of...
Malignant neoplasms of digestive organs
Malignant neoplasms of intestine
2B81 — Malignant neoplasms of appendix

ICD-11 2B81 — Malignant neoplasms of appendix

A primary malignant neoplasm that affects the appendix.

The diagnosis includes nothing.

Diagnosis with code 2B81 contains 4 clarifying diagnoses:

1. 2B81.0 — Adenocarcinoma of appendix
   It contains 1 clarifying diagnosis.
2. 2B81.2 — Neuroendocrine neoplasms of appendix
3. 2B81.Y — Other specified malignant neoplasms of appendix
4. 2B81.Z — Malignant neoplasms of appendix, unspecified

The diagnosis is coded elsewhere:

• Neoplasms of the appendix #14017
• Malignant neoplasms of appendix #14018