Battlefield Hardline removed from Origin Games

Battlefield Hardline has been automatically removed from my list of Origin games.  Although the game is installed, it does not appear in Origin. On accessing the game directly from the Program Files, it launches Origin and asks for activation. On entering the correct activation code, it shows that the code has already been redeemed. Please note that I was able to play the game until a month and a half back. Please help in this regard.