USCIS网站绿卡的category code是: E21- Professional holding an advanced degree or of exceptional ability (New Arrival) E26- Professional holding an advanced degree or of exceptional ability ( Adjustment) https://www.uscis.gov/sites/default/files/ocomm/ilink/0-0-0-32054.html 我是经由485拿到绿卡的,今天突然发现category code是E21. 但我猜想new arrival是 指经由consular process. 请问需要修改吗? 不改会有什么问题?