SEER Inquiry System - Question 20000260 Details

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Question 20000260

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Inquiry Details

References:

#1: Revised Breast EOD Codes. June 25, 2002

#2: SEER EOD-88, 3rd Ed, 3-4,110a

Question:

EOD-Size of Primary Tumor--Breast: When the pathology report does not specify dimensions for the invasive component, how is tumor size coded? See discussion.

Discussion:

In some cases the tumor has both invasive and in situ components. The pathologist sometimes does not report the size for the invasive portion of the tumor. In most cases, the invasive portion is described as a percentage of the tumor mass.

Answer:

From January 1, 1998 and forward: Follow the Revised Breast EOD instructions. If the size of the invasive component is not given, record the size of the entire tumor in the EOD-Size of Primary Tumor field. Assign the appropriate EOD-Extension code for the situation.

History:

Prior to January 1, 1998: If size of invasion is not given, and the total tumor size is < 1 cm, code EOD-Size of Primary Tumor to 009. If the total tumor size is < 2 cm, use code 019. If the tumor mass is > 2 cm, code size as 999. The EOD manual states, "If only one size is given for a mixed in situ and invasive tumor, code size to 999, unknown."

For breast cases, if the size of the invasive component is not given, record the size of the entire tumor from the surgery report, pathology report, radiology report, or clinical examination, and document how the size was determined in the EOD-Extension field.

Cancer Site Category:

Breast

Data Item Category:

N/A

Other Category:

N/A

Year:

2000