Back to Pegasus definition listing Choose a year from the dropdown to view that year's definition 2009 2011 2009 2007 2003 2002 2001 2000 1999 1998 Third degree burns Date: July 2009 Definition: Burns that involve damage or destruction of the skin to is full depth through to the underlying tissue and covering at least 20% of the body's surface area.No change since April 2007 Definition update history: Third degree burns May 2011 Third degree burns July 2009 Third degree burns April 2007 Third degree burns November 2003 Third degree burns May 2003 Third degree burns March 2003 Third degree burns April 2002 Third degree burns July 2001 Third degree burns November 2000 Third degree burns November 1999 Third degree burns July 1999 Third degree burns February 1998 Share this by email Back to Pegasus definition listing