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National Cancer Data Base - Data Dictionary PUF 2016

First Surgical Procedure, 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 the first treatment surgery was performed (NAACCR Item #1200). The surgery may be primary site surgery (NAACCR Item #1290), regional lymph node surgery (NAACCR Item #1292) or other regional or distant surgery (NAACCR Item #1294). Incisional biopsies are not coded as treatment surgery.
Registry Coding Instructions: 


Analytic Note: 

CoC cancer programs are required to identify treatment their patients received from all sources. Surgical 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 surgical procedure for the cancer by any facility.

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