What are the differences between the Stage 1 and Stage 2 revisions?
The Stage 1 revisions are intended to rapidly address the public health crisis and ensure a supply of heparin that is not adulterated. The Stage 1 revision has taken current FDA methods and improved the robustness of them. The Stage 2 revision will seek out more up to date methods. However, adapting current methods to create an expedited standard was the priority in Stage 1.
