The General's lawyers say they are starting proceedings to have him released on bail - in effect, to have the police guard on him in hospital withdrawn.
Reports say a magistrate could decide that on Friday.
A police spokeswoman is reported to have said, General Pinochet would be moved to an undisclosed location with appropiate medical care but didn't say when.
She said a court would be convened in the location if deemed suitable
From the newsroom of the BBC World Service