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Produced: 10/27/2025 9:06 AM
Question 20110095
Inquiry Details
References:
WHO Class Digest System Tumors, 64-65
Question:
Reportability/Histology: Is the diagnosis "low-grade neuroendocrine neoplasm/carcinoid tumor with expression of gastrin (consistent with gastrinoma)" reportable with the histology code 8240/3 [carcinoid] or 8153/3 [malignant gastrinoma]? See Discussion.
Discussion:
A carcinoid tumor (8240/3) is reportable but a gastrinoma, NOS (8153/1) is not.
Answer:
Code histology to 8153/3 [malignant gastrinoma].
According to the WHO Classification of Tumors of the Digestive System, pages 64-65, carcinoid is a synonym for gastric neuroendocrine tumor (NET) and gastrinoma is synonymous with gastrin-producing NET. Gastrin-producing NET (gastrinoma) is coded 8153/3.
Cancer Site Category:
N/A
Data Item Category:
Histology
Other Category:
Reportability
Year:
2011
