SEER Inquiry System - Report
Produced: 10/15/2025 2:01 AM
Question 20021125
Inquiry Details
References:
#1: ICD-O-2, 39
#2: ICD-O-3, 90
Question:
Discussion:
Answer:
For tumors diagnosed prior to 2007:
Code the Histology field to 9081/3 [Teratocarcinoma, mixed embryonal carcinoma and teratoma], in both ICD-O-2 and ICD-O-3.
For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.