She didn’t “ban” anything. She spoke to the US Marshalls, and Scalia’s personal physician.
Sorry, my mistake. I should have said she used her judicial powers to waive, and thereby violate, Texas Criminal Code 49.04.(6) which requires an autopsy for an unattended death, as mentioned at post #18 above. In that sense, she made a ruling that banned the application of that statute.
Better?