The former Dortmund striker was due to play for Blues in Saturday's friendly at Cheltenham Town before going on the clubs tour of Germany next week.
However, the Brazilian international has picked up a calf strain in training and will miss out on impressing the Blues management team during the early pre-season schedule.
"It's just our luck that when he was going to play for us, he gets injured," manager Steve Bruce told the Birmingham Evening Mail. Have Your Say At The Messageboard