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National Cancer Data Base - Data Dictionary PUF 2015

Treatment Started, Days from Dx

DD_category: 
PUF Data Item Name: 
DX_RX_STARTED_DAYS
length: 
4
Allowable values: 
0 – 9999
Description: 
The number of days between the date of diagnosis (NAACCR Item #390) and the date on which treatment [surgery, radiation, systemic, or other therapy] (NAACCR Item #1270) of the patient began at any facility.
Registry Coding Instructions: 

None.

Code Definition
0 - 9999 Number of Elapsed Days
Blank No first course therapy administered, first course therapy unknown, or cannot compute days elapsed due to missing or incomplete dates