Hamilton claim they have reached a "financial agreement" with Preston for the transfer of club captain Michael Devlin.
The central defender has not played this season after sustaining a knee injury in May but Hamilton say he has now been granted permission to go south for talks with former Accies boss Alex Neil.
However, Preston have since tweeted that no agreement is in place for Devlin.
His contract expires in the summer and Aberdeen manager Derek McInnes admitted an interest in signing the 24-year-old last week, but Hamilton say they have reached an agreement with the Sky Bet Championship side.
"We now have a financial agreement with Preston North End for the transfer of Michael. The player has been granted permission to visit Deepdale and discuss terms," a Hamilton statement said.
"In the event that Michael departs in this window it will be with the club's best wishes.
"He has been an outstanding graduate from our academy and an inspiring club captain."
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However, a tweet from Preston's official Twitter page later said: "Preston North End can confirm that contrary to reports north of the border there is no agreement in place with regards to Hamilton's Michael Devlin."
He has made 147 appearances for Hamilton after making his debut in 2011.
Devlin has not played since suffering cruciate ligament damage on the final day of last season but had recovered from his knee injury before his comeback was delayed by a chest problem. He had targeted a return to action before the end of January.