Cancellation of medication orders already sent to the Pharmacy by eRX is only possible with less than 2% of pharmacies. The SCRIPT standard allows for change/cancel and you can possibly send it with the ordering software but less than 2% of pharmacies can receive the order. Therefore for most pharmacies it can only be done by laboriously calling the pharmacy, being put on hold, giving the information and waiting for them to do it. We tell the patient to not fill what was incorrect and let the order expire. It is not optimal.
When you get right down to it, lots of individuals and organizations fear interoperability. I am finding a great deal of resistance to the notion of the real deal of single sign-on longitudinal type record across organizations interoperability. Most want to only emit little squirts of electronic data and only under pressure to do so.