Bavuma, who has registered 145 runs at 20.71 in the tournament, injured his hamstring in the Proteas' win over Afghanistan in their final group stage encounter last week.
While Bavuma is optimistic of leading his side out and opening the batting on Thursday as South Africa look to reach the final for the first time in their history, the final decision will not be his alone.
"Physically I feel alright," he said on the eve of the match in Kolkata on Wednesday.
"Obviously not 100 per cent. This day becomes important in terms of a decision about tomorrow. I'm quite confident but it's not a unilateral decision that will be made.
"I'm obviously a bit nervous of the game. It will be our first semi-final and as a team. But I think the feeling is no different I guess from any game that we've encountered within the World Cup.
"You want to treat it as just another game. It's something that I'll be looking forward to. It's something that I'll savour in that moment. I know it will mean a lot for family and people back home."
Bavuma's fellow opener Quinton de Kock will retire from ODIs once South Africa's involvement is over and he is going out in a blaze of glory with four centuries during the group stage.
"Quinton has been magnificent for us, being our leading run-scorer," Bavuma added. "At one point he was the leading World Cup scorer as well, so I think that speaks volumes in itself.
"Knowing Quinton, I don't think he's really paying much attention to all of that. I think his focus is really on contributing as best as he can for the team."
