SEER Inquiry System - Question 20250006 Details

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Produced: 12/24/2025 6:04 AM

Question 20250006

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Inquiry Details

References:

#1: ICD-O-3

#2: 2025 SEER Manual. Appendix E.1 Reportable Examples

Question:

Reportability/Histology--Appendix: Is carcinoid of the appendix reportable? If yes, when did this take effect?

Discussion:

Answer:

Report carcinoid, NOS of the appendix. As of 01/01/2015, the ICD-O-3 behavior code changed from /1 to /3.

Cancer Site Category:

N/A

Data Item Category:

Histology

Other Category:

Reportability

Year:

2025