SEER Inquiry System - Question 20000547 Details

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Produced: 11/23/2024 1:28 AM

Question 20000547

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Inquiry Details

References:

ICD-O-3

Question:

Histology (Pre-2007): What code is used to represent the histology "non-small cell carcinoma, NOS"? See discussion.

Discussion:

Should a non-small cell carcinoma histology be assumed to be a large cell carcinoma [8031/3] or should the histology be coded to carcinoma, NOS [8010/3]?

Answer:

For tumor diagnosed 2001-2006: Code the Histology field to 8046/3 [non-small cell carcinoma].

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.

History:

For cases diagnosed prior to 1/1/01: Code the Histology field to 8010/3 [carcinoma, NOS]. Non-small cell is a generic descriptive term (like bronchogenic).

Non-small cell carcinomas can be large cell, adeno, squamous or other histologies. The pathologist may not be able to tell which type it is. Therefore, code to carcinoma, NOS.

Cancer Site Category:

N/A

Data Item Category:

Histology

Other Category:

N/A

Year:

2000