iREX vs. T. Rex: Immunization Record Exchange

iREX vs. T. Rex:Immunization Record Exchange

David John MarottaDT7 Softwarewww.dt7.com/cdc

iREX Project Description

CDC Project to encourage HL7 Immunization transport between state registries

Toolkit to facilitate HL7 Immunization encoding, transport, receipt, acknowledgement, and parsing.

iREX Toolkit

Immunization Registry Exchange

Message Trigger Message Encoding Message Transport Message Receipt Message Acknowledgement Message Parsing Message Handling

Message Trigger

Business case for implementing immunization message exchange

Funding and management support for project implementation

Business rules to send a VXU V04 - Unsolicited Vaccination Record Update

Business rules to send a VXQ V01- Query for Vaccination Record

Message Encoding

Visual Message Definition (VMD) takes HL7-friendly file and handles the message encoding.

Message Transport

Secure HTTP (HTTPS) Privacy Authentication Simplicity Real-time

acknowledgement

Dedicated line (DL)

Virtual Private Network (VPN)

Digital Certificates (DC)

This Proprietary SoftwareProduct Mandated By Our

State Legislature (TPSPMBOSL)

Encrypted FTP (eFTP)

Encrypted Email (eEMail)

Message Receipt

HTTPS is always available Messages can be stored into any format ODBC table inserts can store messages

directly into a database

Message Acknowledgement

Messages are acknowledged in real time Message acknowledgement can include

data specific responses from an interaction with a database

Acknowledgement does not require the sending system to have a message server

Message Parsing

The visual message definition is used to parse the message according to the implementation guide

Messages are parsed into an HL7-friendly record format

Message Handling

Business rules when to accept unsolicited update message

Business rules when to respond to query request

Data scrubbing and quality control issues De-duplification of patients De-duplification of care facitilites

iREX Toolset

Visual Message Definition Java HTTPS Message Receiver Immunization Message Transmiter Available for free use, source included Email: cdc@dt7.com Website: www.dt7.com/cdc