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EDI101 – Bridges Interfaces Study Guide and Key Concepts-7.docx, Exams of Advanced Education

Abilene Christian University (ACU)Advanced Education

EDI101 – Bridges Interfaces Study Guide and Key Concepts-7.docx

Typology: Exams

2025/2026

Available from 03/27/2026

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EDI101 – Bridges Interfaces Study Guide
and Key Concepts
No, the encoding characters can be any printable character. - ANS✔✔ Does
every HL7 message have to be encoded with the characters |^~\& ?
The result is positive \T\ has a value of 2.7 x 10\S\3. - ANS✔✔ Imagine that
your message begins with MSH|^~\&|. How would you encode the string
"The result is positive & has a value of 2.7 x 10^3."?
Context; its meaning depends on the segment it follows. - ANS✔✔ Why is the
NTE segment special?
An empty field is ignored by the interface, whereas the delete character will
delete information from the database, assuming the field in question
supports the delete character. - ANS✔✔ What is the difference between
receiving an empty field || and the delete sequence |""|?
X12, FHIR, NCPDP, DICOM, and Direct. - ANS✔✔ Aside from HL7 Version 2,
name two other standards supported in Bridges?
Epic's interfacing application. It consists of both the interface infrastructure
to build, send, receive, and file messages along with the tools and utilities to
maintain those interfaces. - ANS✔✔ What is Bridges?
The Event Queue contains the information needed to build a message.
Usually this is a patient ID, an encounter DAT, and the type of message to be
built, amongst other information.
The Data Queue contains the text of HL7 messages and additional metadata.
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EDI101 – Bridges Interfaces Study Guide

and Key Concepts

No, the encoding characters can be any printable character. - ANS✔✔ Does every HL7 message have to be encoded with the characters |^~&? The result is positive \T\ has a value of 2.7 x 10\S\3. - ANS✔✔ Imagine that your message begins with MSH|^~&|. How would you encode the string "The result is positive & has a value of 2.7 x 10^3."? Context; its meaning depends on the segment it follows. - ANS✔✔ Why is the NTE segment special? An empty field is ignored by the interface, whereas the delete character will delete information from the database, assuming the field in question supports the delete character. - ANS✔✔ What is the difference between receiving an empty field || and the delete sequence |""|? X12, FHIR, NCPDP, DICOM, and Direct. - ANS✔✔ Aside from HL7 Version 2, name two other standards supported in Bridges? Epic's interfacing application. It consists of both the interface infrastructure to build, send, receive, and file messages along with the tools and utilities to maintain those interfaces. - ANS✔✔ What is Bridges? The Event Queue contains the information needed to build a message. Usually this is a patient ID, an encounter DAT, and the type of message to be built, amongst other information. The Data Queue contains the text of HL7 messages and additional metadata.

The Control Queue is a to-do list of message numbers to send or file. - ANS✔✔ What are stored in the Event Queue, Data Queue, and Control Queue? No, never. They are purged only by an automated purge job. - ANS✔✔ Are messages ever manually deleted from the Data Queue? TCP/IP with an interface engine is the most common communication method. Interconnect is used for HTTPS or other communication outside your local network. - ANS✔✔ What are two ways that interface messages are sent and received?

  • ANS✔✔ Describe the flow of messages in and out of Bridges for an interface using a TCP/IP connection.
  • ANS✔✔ Describe the flow of messages in and out of Bridges for an interface using Interconnect. Yes. You can start any or all of the interfaces in a given interface monitor. - ANS✔✔ Can you start more than one interface at a time with the interface monitor? Make sure that interface is first listed in the Background Monitor. - ANS✔✔ What do you have to do before you can add an interface to an interface monitor definition? Interface ID and Is Interface On Monitor properties - ANS✔✔ Which properties can be used to specify the specific interfaces evaluated by an alert rule? False. The session history only shows the actions taken by the logged-in user during the current session. - ANS✔✔ True or False: The Session History shows all interface start/stop requests by all users in the system.

value> - ANS✔✔ You ran a message search with the criteria in the Search Summary below:The search returns messages with the following three different PID-5 values: DOE^JON DOE^JON^A DOE^JONATHAN What options do you have if you want to see only the messages for Jonathan Doe? Any message without a trigger event cannot be retriggered. This would include incoming messages, messages resubmitted from other messages, as well as any message created from a Bridges utility that wasn't the result of a trigger event in the application. - ANS✔✔ What types of messages cannot be retriggered? Resubmit and retrigger - ANS✔✔ What are two actions you can take on the message associated with an error when running an error log report? No. You can never manually delete a message from the Data Queue with any Bridges activity. - ANS✔✔ Can you delete a message in the Error Log Report activity? Fix, Work, or Suppress - ANS✔✔ When encountering an error for the first time, what are the three buckets Epic recommends to choose from when determining how to address the error? Add a note, transfer, and release an error. - ANS✔✔ What are the three additional actions that only a workqueue provides compared to the Error Log Report? If the error requires ongoing maintenance and has a defined resolution path. It should be an error that can be assigned to a user, and is not already being

collected in another workqueue. - ANS✔✔ What types of errors should be added to a workqueue? You need to create a group and add one or more steps to it. Finally, you will need to link the group to the interface for a particular error. - ANS✔✔ What build is required to assign error resolution steps for a particular error? No, just the one interface specification in which the change was made. - ANS✔✔ If you change a profile variable setting in one interface specification, does it affect every interface specification? It is the user associated with interface audit trail entries if no user is present in the message. - ANS✔✔ What is the INTF_USER profile variable for? False, the Reference Guide contains all of the published information Epic has about a specific interface, while the Technical Specifications are limited only to showing the HL7 fields or elements that are supported. If you cannot find the information you need in the Reference Guide, contact your Epic representative for assistance. - ANS✔✔ True or False: The Technical Specification should be the first place you go for help with an interface. Compile the custom override and restart the interface. - ANS✔✔ What must be done once you have made changes to a custom override to ensure the changes will take effect? The triggers for outgoing interfaces, system-wide profile variables, and system-wide error handling. - ANS✔✔ What is contained in System Definitions? ID; ID Type - ANS✔✔ To identify a patient using Identity you need the _____________ and the _____________.

When an incoming interface that can create patients does not find the patient by ID and ID type, duplicate prevention is performed before creating a patient record to ensure that the patient doesn't already have a record in the database. - ANS✔✔ When is duplicate prevention performed?

  1. No Match - Create a new patient if the interface can do so, and file the message
  2. Low Threshold Match(es) - Create a new patient if the interface can do so, and file the message
  3. Single High Threshold Match - File message to existing patient
  4. Multiple High Threshold Matches - Log a fatal error - ANS✔✔ List the four possible outcomes of patient duplicate checking and the recommended result of each? When any patient-based incoming interface finds the patient record by ID and ID type, patient validation is performed to confirm the interface has the correct patient record before filing any data. - ANS✔✔ When is patient validation performed? Basic Validation, Extended Validation, Identity Duplicate Configuration (IDC) - ANS✔✔ What are the three types of patient validation an interface can use? High Threshold - ANS✔✔ Which Identity Duplicate Configuration threshold is used for patient validation?
    • ANS✔✔ Diagram the process for duplicate prevention.
    • ANS✔✔ Diagram the process for patient validation. Data Courier (for tables and workqueues), Pack/Unpack records (for new interface objects), and manual migration (for changes to existing objects). -

ANS✔✔ What are the three methods for data migration of interface objects, and when is each one used? Sherlock - ANS✔✔ What online tool can you use to document details about issues you encounter? False. Interface specifications must be migrated using the pack/unpack utility. Content management tickets can migrate all data-courier enabled records that are linked to an interface. - ANS✔✔ True or False: Content Management tickets can be used to migrate an interface specification