Congressional budget scorekeepers said they can no longer measure the fiscal impact of many provisions of ObamaCare because the task is impossible. In a little-noticed footnote from April, the Congressional Budget Office (CBO) said it will continue to assess the effects of the law's exchange subsidies and the Medicaid expansion, while not tracking others. "The provisions that expand insurance coverage established entirely new programs or components of programs that can be isolated and reassessed," the office wrote. "In contrast, other provisions of the Affordable Care Act significantly modified existing federal programs and made changes to the Internal Revenue Code.
