The policies regarding the use of electric scooters at the Icahn School of Medicine at Mount Sinai would be determined by the institution’s campus regulations and New York City laws at the time of your inquiry. To get the most accurate and up-to-date information, you should contact the school's administration or campus security. They can provide the current rules on whether personal electric scooters can be used on campus and any specific areas where they might be restricted. Remember that safety regulations must also be followed if electric scooters are permitted.