4 Symbols and Abbreviations
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# 4 Symbols and Abbreviations

The following symbols and abbreviations are used in this Part of the Standard.

ANSI

  American National Standards Institute

CDA

  Clinical Document Architecture (HL7)

DICOM

  Digital Imaging and Communications in Medicine

HL7

  Health Level 7

HMD

  Hierarchical Message Description (HL7)

IE

  Information Entity

IHE

  Integrating the Healthcare Enterprise

IOD

  Information Object Definition

ISO

  International Standards Organization

LOINC

  Logical Observation Identifiers Names and Codes

MRRT

  IHE Management of Radiology Report Templates Profile

NEMA

  National Electrical Manufacturers Association

OID

  Object Identifier (ISO 8824)

RSNA

  Radiological Society of North America

SNOMED

  Systematized Nomenclature of Medicine

SR

  Structured Reporting

UCUM

  Unified Code for Units of Measure

UID

  Unique Identifier

XML

  Extensible Markup Language

The following symbols and abbreviations for HL7 v3 Data Types are used in this Part of the Standard.

AD

  Postal Address

CE

  Coded With Equivalents

CD

  Concept Descriptor

CS

  Coded Simple Value

ED

  Encapsulated Data

EN

  Entity Name

II

  Instance Identifier

INT

  Integer Number

IVL<>

  Interval

LIST<>

  List

OID

  ISO Object Identifier

ON

  Organization Name

PN

  Person Name

PQ

  Physical Quantity

REAL

  Real Number

ST

  Character String

TEL

  Telecommunication Address

TS

  Point in Time

UID

  Unique Identifier String

URL

  Universal Resource Identifier

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