SEER Inquiry System - View

Question: 20130064 Status
Final

References
Source 1:   Heme & Lymph Neo Manual & DB
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Source 2:  
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Question
Primary site--Heme & Lymphoid Neoplasms: Are the heme primaries coded to bone marrow (C421) or blood (C420)?

Discussion


Answer
Leukemias are coded to C421.

The ONLY neoplasm that is coded to C420 is Waldenstrom's macroglobulinemia, histology 9761.

Please refer to the Hematopoietic Database and Manual for further instructions on coding primary site.

History


Last Updated
02/24/2014

Date Finalized
07/11/2013