Confidential papers passed to the BBC suggest a radical cost-saving plan will be implemented in the Scottish NHS after the referendum.
The papers were presented to a meeting of health board chief executives and civil servants last month.
They suggest the NHS is facing a £400m funding gap, and sweeping changes will be needed for boards to break even.
The Scottish government said it was committed to “protecting and increasing the NHS budget”.
The papers were passed to the BBC and The Herald by a senior NHS whistleblower, who said they had become frustrated by the argument of the “Yes” campaign that the biggest threat to the NHS comes from the UK government.
The documents state: “The status quo and preservation of existing models of care are no longer an option given the pressing challenges we face.”
Read more at BBC Health.