SEER Inquiry System - Report
Produced: 11/11/2024 1:11 PM
Question 20020012
Inquiry Details
References:
2007 SEER Manual, C-694. Appendix C
Question:
Discussion:
Answer:
For cases diagnosed 2007 or later:
Assuming ductal carcinoma in situ and invasive lobular carcinoma are present in a single tumor, code 8520/3 [Infiltrating lobular carcinoma, NOS].
Using the 2007 MP/H rules for breast, the single tumor invasive and in situ carcinoma module, start and stop at rule H9 and code the invasive histology.
History:
For cases diagnosed 2004 to 2006:
Code 8520/3 [Infiltrating lobular carcinoma, NOS]. Code the invasive histology according to rule 2 on page 86 of the 2004 SEER manual.
For cases diagnosed 1/1/01 to 12/31/03: Code the Histology field to 8522/3 [ductal carcinoma in situ and invasive lobular carcinoma] based on rule 1 of the Coding Complex Morphologic Diagnoses.
Coding Complex Morph Dx's, pg 3, Revised August 2002
SEER Program Code Man, 3rd Ed, pg 97, Rule 1
For cases diagnosed prior to 1/1/01: Code the Histology field to 8520/3 [lobular carcinoma], the invasive component, per rule 1 (Single lesion -- different behaviors) of the SEER Program Code Manual.