"If he can go and discipline himself and get himself ready for what is required in international cricket then we'll revisit, but the ball is in his court now and he has to go away and understand what is necessary.
"He's being helped all the time but it's a situation when you work on fitness that you have to help yourself.
"He's had the message delivered by me and the coach Andy Flower and the captain so he knows what is required and he must go away and do that."
Patel, who signed a new Notts contract earlier this month which keeps him at Trent Bridge until 2012, played 11 one-day internationals for England, all in 2008 under the captaincy of Kevin Pietersen.
He has been training at the Darren Lehmann academy in Adelaide, Australia to improve his fitness.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.