Even though primary management and regulation of prehospital providers is at the state level, the federal government does have a model scope of practice including minimum skills for EMRs, EMTs, Advanced EMTs and Paramedics set through the National Highway Traffic Safety Administration (NHTSA).
Any provider between the levels of Emergency medical technician and Paramedic is either a form of EMT-Intermediate or an Advanced EMT.
In the list, each state's certification levels are provided from most basic at the top to most advanced at the bottom.
Colorado EMS Scope of Practice and Education Standard Comparison Archived 2017-02-15 at the Wayback Machine Transition to new levels began January 2011, and finished in March 2015.
Now have been phased out of the state of Utah: Source:[63] Wyoming has adopted the National Registry model with an addition of IEMT.