Lauren Usrey, Content Program Manager

Health Level Seven (HL7)

Health Level Seven (HL7) is an ANSI accredited Standards Developing Organization. Global volunteers gather in quarterly meetings called HL7 Working Groups.

HL7 Batch File Protocol

HL7 Quality Reporting Document Architecture (QRDA)

HL7 Quality Reporting Document Architecture (QRDA) is a standard for communicating health care quality measurements and reuses templates developed for HL7 CCD.

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.

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.

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.

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.

HL7 Acknowledgement (ACK)

HL7 ACKs (including original mode acknowledgements and enhanced mode acknowledgements) and non-HL7 ACKs (also known as static string acknowledgements).

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).