[limeblack]

Yes at least with paper they were typically tied to one hospital. Now with Epic they are basically automatically pulled over.

[cordite]

The product for this is called Care Everywhere for epic to epic transfers.

An example handout from Yale New Haven Hospital about it: https://projectepic.ynhh.org/Epic%20Newsletters%20and%20Fact...

You can also find out more about cross-vendor interchange at https://carequality.org/