layout.fixed.naaccr.doc.naaccr18.tumorRecordNumber.html Maven / Gradle / Ivy
Item #
Length
Source of Standard
Year Implemented
Version Implemented
Year Retired
Version Retired
Column #
60
2
NAACCR
2011
12.2
40 - 41
NAACCR XML: Tumor.tumorRecordNumber
Description
A system-generated number assigned to each tumor. The number should never change even if the tumor sequence is changed or a record (tumor) is deleted.
Rationale
This is a unique number that identifies a specific tumor so data can be linked. "Sequence Number" cannot be used as a link because the number is changed if a report identifies an earlier tumor or if a tumor record is deleted.