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iNTERFACEWARE Products Manual > HL7 Overview > Understanding HL7 Messages > HL7 Segments > Segment Grammar Notation > Repeating Segments

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About This Manual

HL7 Overview

What is HL7?

Advantages and Disadvantages of HL7

Understanding HL7 Messages

Components of an HL7 Message

HL7 Delimiter Characters

HL7 Segments

Segment Grammar Notation

Example Message Definition

Optional Segments

Repeating Segments

HL7 Segments Summary

Z-Segments

Present but Null Fields

Repeating and Optional Segments

Group of Segments

ACK Protocol

Business Processes for Software Vendor Customers

Iguana

Chameleon

How to Report Problems

Repeating Segments

When a segment may repeat, it is enclosed in curly brackets, like {NTE}. It means that at least one appearance of the segment must be present, and it can repeat any number of times.

	iNTERFACEWARE Products Manual > HL7 Overview > Understanding HL7 Messages > HL7 Segments > Segment Grammar Notation > Repeating Segments
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