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Search Results for ‘ cardinality

Introduction to HL7 Field Cardinality and Field Lengths

Friday, January 5th, 2007
Posted in HL7 Integration, HL7 Standard | View Comments

The HL7 standard defines the maximum field length and field cardinality in an effort to help developers define their clinical databases and interfacing requirements. The field length has always been the “recommended maximum” and, frankly, the... Read entry ⇒

What Is Cardinality in HL7?

Thursday, November 2nd, 2006
Posted in HL7 Messaging, HL7 Standard | View Comments

Cardinality represents the minimum and maximum number of values that could exist inside a given element of an HL7 message. The HL7 messaging standard allows segments and fields, and sub-components in version 2.5, to be either optional or required and eit... Read entry ⇒

What Are the Components of an HL7 Message?

Thursday, October 5th, 2006
Posted in HL7 Standard, HL7 Terms, What is HL7? | View Comments

HL7 terms to better understand what is HL7. Each HL7 standard message is composed of groups and segments where: Groups contain segments or groups Segments contain fields Fields contain components Components contain sub-components Cardinality for these ... Read entry ⇒

What Causes HL7 Messages to be Nonconformant?

Thursday, November 2nd, 2006
Posted in HL7 Messaging, HL7 Standard | View Comments

...on teams can choose to vary the message formats to best meet their system’s requirements. Primarily this occurs in the areas of cardinality and the HL7 version that is used. Additional nonconformance occurs because of decisions made by development or impl... Read entry ⇒

HL7 First Steps

... versions and how HL7 specifications are organized Observe typical HL7 communication flows Interpret HL7 terminology, including cardinality and optionality Recognize an HL7 message and the basic HL7 encoding rules Realize why HL7 is often called a “... Read entry ⇒

Events

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ELINCS Standard: Laboratory Results to EMRs

Thursday, February 8th, 2007
Posted in EHR, EMR, HL7 Messaging | View Comments

...s in detail the structure of the ORU message including supported message elements (segments, fields, etc.) and their associated cardinality, plus code set usage. For ELINCS, the LOINC, Logical Observation Identifiers Names and Codes, coding standard is us... Read entry ⇒

HL7 Version Ambiguity? Just Say No!

Thursday, January 14th, 2010
Posted in HL7 Integration, HL7 Messaging | View Comments

...the clients I assist is fairly broad. For example, on any moment of a typical day you may find me fielding questions on segment cardinality from a self-professed “HL7 neophyte”, while minutes later I may be on a call to review customized TCP/MLP message f... Read entry ⇒