Sending a QRY-A19 to VistA Jim Horner 12 months ago Sending a QRY-A19 to VistA Sending a QRY-A19 (Query for patient demographics data) to VistA using Mirth References: MPI HL7 Interface Specification http://www.va.gov/vdl/application.asp?appid=16 Mirth Connect http://www.mirthcorp.com/products/mirth-connect