The 23-year-old Kawasaki rider fractured two vertebrae in the fall during testing at Estoril and will take at least three months to recover from surgery.
"Falls and injuries are part of my job as a rider. For my part, the 2020 season is over and tomorrow I start my "2021 pre-season", she told the World Superbike website http://www.worldsbk.com.
Carrasco was fifth in the World Supersport 300 standings with three rounds remaining. (Reporting by Alan Baldwin, editing by Ken Ferris)