SEER Inquiry System - Question 20010050 Details

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Produced: 03/13/2026 11:18 PM

Question 20010050

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Inquiry Details

References:

2004 SEER Manual, 189

Question:

Chemotherapy--Hematopoietic, NOS: What treatment code is used to represent the drug "Gleevec" being used to treat chronic myelogenous leukemia?

Discussion:

Answer:

For cases diagnosed 1/1/2003 and after: Code the Chemotherapy field to 02 [Single-agent chemotherapy administered as first course therapy]. It should be classified as a chemotherapy agent, albeit a unique one. Gleevec seems to work the same way many other chemo drugs do. It disrupts cell division for malignant cells containing the BCR-ABL protein only, rather than for normal and abnormal cells together. When the cells can't divide and create a new generation, they simply die. This meets the definition of an antineoplastic chemotherapy agent.

History:

For cases diagnosed prior to 2003: Cases coded using the SEER Program Code Manual 3rd Edition one digit chemotherapy codes must be converted to the two-digit scheme in Revision 1. Codes 82, 85, and 86 are invalid for cases diagnosed prior to 1/1/2003.

Cancer Site Category:

N/A

Data Item Category:

Chemotherapy

Other Category:

N/A

Year:

2001