Excerpt: The Congress is currently considering various approaches for instituting major changes in the nation's system of health insurance. Some of those proposals would significantly expand the federal government's role in that system, thus raising the question of how such changes might be reflected in the federal budget. This brief describes the approach that the Congressional Budget Office (CBO) will take in judging the appropriate budgetary treatment. [Target page links to the 7-page PDF and to the Blog posting.]