Lawyers filed a suit seeking cancellation of the court’s original ban in April.
Judge Mohamed el-Sayed said the court had temporarily suspended its verdict pending a review of the case on Wednesday.
Mubarak has been ordered to stand trial on August 3 on charges of killing of protesters, which could carry the death penalty. He is also accused of abuse of influence, wasting public funds and unlawfully making private financial gains.
He was admitted to hospital in April after reportedly suffering heart problems during his initial questioning.
Suzanne Mubarak was released from detention in May after agreeing to give up her assets but is still being investigated into whether she amassed wealth illegally.
She too was admitted to hospital after suffering symptoms of a heart attack shortly after she was ordered detained.
Their two sons, Gamal, who was once viewed as a possible future president, and Alaa, are also in jail and will also stand trial alongside their father.