The SCAT2 is a standardized method of evaluating injured athletes for concussion and can be used in athletes aged from 10 years and older. It supersedes the original SCAT published in 2005.
the SCAT3 is a standardized tool for evaluating injured athletes for concussion and can be used in athletes aged from 13 years and older. it supersedes the original SCAT and the SCAT2 published in 2005 and 2009, respectively.
The Sport Concussion Library will maintain the SCAT2 site, however it is suggested that SCAT3 be utilized, as it is the tool approved and published in the recent November 2012 Consensus statement on concussion in sport from the 4th International Conference on Concussion in Sport.