Process an NCPDP SCRIPT 2017071 CancelRx transaction to void a transmitted prescription before it is dispensed

Steps

1. Confirm the prescription has not yet been dispensed: check RxFill status or contact the pharmacy; once a prescription has been dispensed, cancellation via SCRIPT is not appropriate—a refill restriction or clinical intervention is needed instead
2. Construct a CancelRx transaction per NCPDP SCRIPT 2017071: populate Header with PrescriberOrderNumber matching the original NewRx, routing To/From SPI addresses, and MessageID; include Patient and Drug segments to identify the specific prescription
3. Transmit the CancelRx over Surescripts to the dispensing pharmacy; await a CancelRxResponse: Approved (prescription voided), Denied (prescription already dispensed or in process), or Error
4. If CancelRxResponse returns Denied with reason 'already dispensed', document the response and notify the prescriber; if clinical concern is urgent (e.g., wrong drug, patient allergy), contact the pharmacy directly by phone as a concurrent action
5. Update the EHR prescription record status to Cancelled upon confirmed CancelRxResponse Approved; ensure the cancelled order cannot be re-transmitted
6. For controlled substances, document the cancellation reason per DEA and state pharmacy board requirements; some states require specific documentation when a controlled substance prescription is voided