The Oregon Health Plan was a famous attempt in the early 1990s to ration health care - money was limited so a list of 696 treatments was put in priority order. The budget available stretched as far as the top 565. There were many critiques of the method but it was certainly bold and explicit. Anyone involved in planning or funding health services should know something about it.
Here is an interesting commentary almost 15 years on which gives the political background and an update on where Oregon is now.