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National Cancer Data Base - Data Dictionary PUF 2016

Systemic, Days from Dx

PUF Data Item Name: 
Allowable values: 
0 – 9999
The number of days between the date of diagnosis (NAACCR Item #390) and the date on which any systemic therapy [chemotherapy, hormone therapy, immunotherapy, or hematologic transplant and endocrine procedures] was started (NAACCR Item #3230).
Registry Coding Instructions: 


Analytic Note: 

CoC cancer programs are required to identify treatment their patients received from all sources. Systemic treatment may have occurred at any facility, or at multiple facilities, not limited to the one whose report is included in this file. This refers to the first administration of systemic treatment for the cancer by any facility. This item is only available for diagnosis years 2003 and later.

Code Definition
0 - 9999 Number of Elapsed Days
Blank Systemic therapy not administered, therapy unknown, cannot compute days elapsed, or not available for these diagnosis years