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SEER Inquiry System - Report
Produced: 04/21/2026 9:22 PM
Question 20000428
Inquiry Details
References:
SEER EOD-88, 3rd Ed, 136
Question:
EOD-Clinical Extension--Prostate: How do you distinguish between clinical extension codes of 10, 13, 14, and 20 for cases with a benign prostate per digital rectal exam that appear localized after TURP/prostatectomy? Can the clinical extension code of 10 be used if the term "microscopic carcinoma" is noted in the pathology report without also mentioning "foci" or "Stage A" for clinically inapparent tumors?
Discussion:
Answer:
For cases diagnosed 1998-2003:
When the prostate feels benign and the cancer is found incidentally at the time of the microscopic exam, code the EOD-Extension field to 10 [number of foci or % of involved tissue not specified]. Code as 13 (less than or equal to 5%) or 14 (greater than 5%) if percentage involved is given in the tissue resected. If the path report states "solitary focus of carcinoma" without mentioning the total amount of tissue resected, code extension to 13. If there is more than one focus, code extension to 10. Don't assign a code of 20 unless the tumor is clinically apparent.
History:
For cases diagnosed 1994-1997: When the prostate feels benign and the cancer is found incidentally at the time of the microscopic exam, code as 10 if number of foci involved is not given. Code as 11 or 12 if number of foci involved is given. Don't assign a code 20 unless the tumor is clinically apparent.
Cancer Site Category:
Prostate
Data Item Category:
N/A
Other Category:
N/A
Year:
2000
