He also warned against moving forward with the bill, which will be marked up Wednesday, before the Congressional Budget Office has returned its score.
"Any ability to evaluate The American Health Care Act, however, is severely hampered by the lack of coverage estimates by the Congressional Budget Office (CBO). Lacking that level of analysis and needed transparency, we urge that Congress should. wait until an estimate is available before proceeding with formal consideration," Pollack said.
Republican leaders have indicated that they expect the CBO to return a score later this week. But already, they are catching flack from the GOP's conservative and moderate wings over the legislation.
Read the full American Hospital Association letter below.