HL7 resources
HL7 Segments
HL7 segments are a group of fields that contain varying types of data. Each exists independently and can be utilized in multiple messages, in varying sequences.
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Lauren Usrey, Content Program Manager
HL7 resources
Multipurpose Internet Mail Extensions (MIME)
MIME is short for Multipurpose Internet Mail Extensions. It is a specification for formatting non-ASCII messages so that they can be sent over the Internet.
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CCD-Continuity of Care Document
The Continuity of Care Document (CCD) is used to share summary information about the patient within the broader context of the personal health record.
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HL7 Cardinality
Cardinality defines how many times an element must/may appear in a HL7 message. Represented as minimum and maximum instance counts, e.g., 0-to-n or 1-to-1.
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HL7 Acknowledgement (ACK)
HL7 ACKs (including original mode acknowledgements and enhanced mode acknowledgements) and non-HL7 ACKs (also known as static string acknowledgements).
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HL7 CDA
CDA is an XML-based standard used for clinical document exchange developed by Health Level Seven, and is based on the HL7 Reference Information Model (RIM).
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HL7 DFT Message
The HL7 DFT message describes a financial transaction that is sent to a billing system and is used for patient accounting purposes
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HL7 Encoding Characters
Encoding characters are used to construct an HL7 message, defining how data is separated in an HL7 message, and are defined dynamically in the MSH segment.
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HL7 EVN Segment
The EVN segment is used to communicate trigger event information to receiving applications. The fields in the PID segment are as follows:
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