Epic EDI101 Bridges Interfaces Study Guide
and Key Concepts
Does every HL7 message have to be encoded with the characters 1A-& ? -
correct answer ✔✔ No, the encoding characters can be any printable
character.
Imagine that your message begins with MSHIA&1. How would you encode
the string "Th result is positive & has a value of 2.7 x 10A3."? - correct
answer ✔✔ The result is positive \T\ has a value of 2.7 x 10\S\3.
Why is the NTE segment special? - correct answer ✔✔ Context; its meaning
depends on the segment it follows
What is the difference between receiving an empty field |I and the delete
sequence ? - correct answer ✔✔ 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.
Aside from HL7 Version 2, name two other standards supported in Bridges? -
correct answer ✔✔ X12, FHIR, NCPDP, DICOM, and Direct.
What is Bridges? - correct answer ✔✔ Epic's interfacing messages along with
the 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
What are stored in the Event Queue, Data Queue, and Control Queue? -
correct answer ✔✔ 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.
