Travel U.S. will offer ‘X’ gender marker for passports starting April 11, State Department says March 31, 2022March 31, 2022Ella Lee, USA TODAYComments Off on U.S. will offer ‘X’ gender marker for passports starting April 11, State Department says The definition of the 'X' gender marker will be 'unspecified or another gender identity,' according to the State Department.