SEER Inquiry System - Question 20021118 Details

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Produced: 11/27/2024 11:50 AM

Question 20021118

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Inquiry Details

References:

#1: SEER Program Code Man, 3rd Ed, 101

#2: ICD-O-3, 31. Table 22

Question:

Grade, Differentiation--Lymphoma/Leukemia: Should the term "Pre-T" be added to code 5 [T-cell] in the ICD-O-3 Table 22, 6th Digit Code for Immunophenotype Designation for Lymphoma and Leukemia?

Discussion:

Answer:

For cases diagnosed prior to 1/1/2010:Code the Grade, Differentiation field to 5 [T-cell] in the 6th digit of the ICD-O-3 morphology field when the terms "pre-T cell" or "T-precursor" are used. However, this is not an official change to ICD-O-3.

For cases diagnosed 2010 forward, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.

Cancer Site Category:

N/A

Data Item Category:

N/A

Other Category:

N/A

Year:

2002