The LINK Mapper application enables you to create and modify LINKMED® Mapper interface templates. These Mapper templates insert or extract ADT/Order information from HL7 message that had been configured in the template and converts them to appropriate format that can be inserted to your system database. For example the Inbound Mapper is configured to convert HL7 to User delimiters on the Inbound interface and converts study reports to HL7 messages on the Outbound interface. LINKMED® IDK is shipped with several Mapper interface templates that are pre-configured for different HIS or EMR systems, additional HL7 segments or fields can be added or modified using the LINKMED® Message Mapper application

1. How the LINKMED® Message Mapper defines HL7 Interface
   There are two types of Mapper templates being used in LINKMED® interface:
   • Uni-directional interface (Mapper Inbound Tab) as in Result or Billing Mapper, uses one side of Input and Output features
   • Bi-Directional Interface (Inbound and Outbound Tab) as in matching ADT/Order with study reports, uses both side of Input and Output features (HL7--->Other formats and Other formats-----> HL7)
     
     
2. Inbound Interface Data Flow
   • HL7 message stream sends from HIS/EMR systems is received by LINKMED® HL7 TCP/IP Receiver . The HL7 message is created and put in the LINKMED® Inbound interface folder (OrderR). The Mapper interface template Inbound Input is pointing to this directory folder (Interface input file format=HL7) where messages are processed by the LINKMED® Interface Engine to other format specified in the Mapper Interface Template.
     Note: The LINKMED® HL7 TCP/IP Receiver Mapper-Based uses this directory but does not create HL7 message from stream, The Receiver parses HL7 messages directly into LINKMED® intermediate Interface database or output parsed messages to output directory
     
   • The interface Inbound output directory folder (OrderS) on the Mapper is where data extracted and converted to your system format from HL7 messages are output to (when needed), direct database query to LINKMED® Interface Intermediate database can also be configured when creating your interface template
   • The LINKMED® Bi-directional interface makes use of an intermediate database. Available DB to choose from are: DBF, MySQL or other SQL

   Access to LINKMED® MySQL intermediate database is from LINKMED® Select client application. Access to LINKMED® DBF intermediate database is from LINKSelect client. Both of the above database access applications are included in the toolkit.
   Note: This intermediate database can also be accessed using SQL query, http query or ODBC compliant applications

3. Outbound Interface Data Flow
   
   The LINKMED® Interface Engine processed and reconciled study reports with previously received ADT or Order messages by matching the study report with Key Identifiers of ADT or Order message stored in its intermediate database. If a match is found then HL7 message (ORU or MDM) is created and sent back to the Ordering system. If a match is not found the study report is sent to LINKMED® Result Reconciliation Module for further reconciliation process
   The following are LINKMED® default Outbound HL7 interface workflow:
• Lab results, Diagnostic study or Transcribed reports received back from Vendors systems are reconciled with Orders or ADT information's stored in the LINKMED® interface intermediate database by matching report Key Identifiers to ADT/Order Key Identifiers created when the ADT or Order messages are received by LINKMED® Interface Module.
• HL7 result message (ORU), Documentation (MDM) message or Billing message (DFT) is created if all Unique key identifiers are matched.
• Reports with unmatched Key Identifiers are processed for later reconciliation with ADT or Order sent later from the HIS or EMR OE systems.
• Study reports can be viewed and print from LINKMED® Select client (MySQL DB only)
• HL7 messages are configured according to client's specifications (down to HL7 field level).
4. Accessing the Mapper Options Configuration Window
   To Access the Mapper Options Configuration Window from LINKMED® installed server or PC
   • Click on Start>LINK Medical > Applications>LINK Mapper Config Wizard
     The Mapper Main window appears

   • Click on the Mapper icon (top left) to access the Mapper Options Configuration window
     The Mapper Options Configuration window appears

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