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Time since most recent Cologuard test: Rough time estimate

Codes and Frequencies

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For sample adults aged 40 and older who have ever had a Cologuard test (COLGEV) but did not know the date of their most recent test, or responded in year(s) ago, COLGLGYRE reports the estimated number of years since their most recent Cologuard test.

For more information about variables covering Cologuard testing, please refer to COLGEV.


The 2018 Field Representative's Manual noted: "Cologuard is a new type of stool test to check for colon cancer. Unlike other stool tests, Cologuard looks for changes in DNA in addition to checking for blood in your stool. The Cologuard test is shipped to your home in a box that includes a container for your stool sample."


This variable is comparable over time.


  • 2018: Sample adults 40+ who have had a Cologuard test and REF/DK date of most recent Cologuard test or selected years ago for the time period format.


  • 2018