SEER Inquiry System - Report
Produced: 10/05/2025 5:25 PM
Question 20071076
Inquiry Details
References:
2007 SEER Manual, C-1134. Appendix C
Question:
Discussion:
Answer:
For cases diagnosed 2007 or later:
For coding purposes, this is a papillary and follicular combination that would be coded to the combination code 8340/3 [Papillary carcinoma, follicular variant].
For thyroid cancer only, the term micropapillary does not refer to a specific histologic type. It means that the papillary portion of the tumor is minimal or occult, usually less than 1 cm. in diameter.