https://www.congress.gov/bill/111th-congress/senate-bill/3758

This tried to limit it to “400,000 [pus] cells per milliliter” but it looks like it didn’t pass.

Also found this fun guide (adapted from FDA guidelines) telling labs how to count the pus cells. Particularly alarming is that they tell the labs to err on the side of ignoring pus cells “If in Doubt, Do Not Count Questionable Cells!”

https://www.wifss.ucdavis.edu/wp-content/uploads/2016/09/RulesforIdentifyingCellCount.pdf