ICD-11 classes
13 Diseases of the digestive system
Diseases of appendix
Neoplasms of the appendix
2B81 — Malignant neoplasms of appendix
2B81.2 — Neuroendocrine neoplasms of appendix
ICD-11 2B81.2 — Neuroendocrine neoplasms of appendix
Malignant neoplasms with neuroendocrine differentiation that arise in the appendix. Most are well differentiated neuroendocrine tumours (low and intermediate grade), i.e. carcinoids. Poorly differentiated neuroendocrine carcinomas (high grade) are exceedingly rare.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.
The diagnosis is coded elsewhere: