SNOMED CT® Release Format 1 (RF1) Guide - ihtsdo

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8 | SNOMED CT Release Format 1 (RF1) Guide July 2012 • www.ihtsdo.org Email: • support@ihtsdo.org Address: • IHTSDO Rued Langgaards Vej 7, 5te • DK-2300 Copenhagen S • Denmark • • Tel: +45 3644 8736 • Fax: +45 4444 8736 1.6. Inventory of Documentation The following SNOMED CT documentation is made available to accompany the International Release of SNOMED CT from the International Health Terminology Standards Development Organization (IHTSDO). In the following listing hyperlinks are provided which will be maintained to point to the latest version of each of these documents. • A list of documents, including a wider range of versions, is available from: www.ihtsdo.org/doc. SNOMED CT Technical Implementation Guide (TIG) • On line HTML version: www.ihtsdo.org/tig • PDF version US English Letter page size: www.ihtsdo.org/tig.pdf • PDF version UK English A4 page size: www.ihtsdo.org/tig_gb.pdf The TIG is intended for SNOMED CT implementers, such as software designers.The TIG assumes information technology and software development experience. Clinical knowledge is not required, although some background is helpful to understand the application context and needs. The TIG contains guidelines and advice about the design of applications using SNOMED CT, and covers topics such as Terminology services, entering and storing information, and migration of legacy information. SNOMED CT Editorial Guide • On line HTML version: www.ihtsdo.org/eg • PDF version US English Letter page size: www.ihtsdo.org/eg.pdf • PDF version UK English A4 page size: www.ihtsdo.org/eg_gb.pdf The Editorial Guide is intended for clinical personnel, business directors, software product managers, and project leaders; information technology experience, though not necessary, can be helpful. The Editorial Guide is intended to explain SNOMED CT's capabilities and uses from a content perspective. It explains the content and concept model, and the principles used to edit the terminology. SNOMED CT User Guide • On line HTML version: www.ihtsdo.org/ug • PDF version US English Letter page size: www.ihtsdo.org/ug.pdf • PDF version UK English A4 page size: www.ihtsdo.org/ug_gb.pdf The User Guide provides a less detailed introduction to the topics covered in the Technical Implementation and Editorial Guides. © 2002-2012 International Health Terminology Standards Development Organisation CVR #: 30363434
IHTSDO Glossary (DRAFT) • On line HTML version: www.ihtsdo.org/glossary • PDF version US English Letter page size: www.ihtsdo.org/glossary.pdf • PDF version UK English A4 page size: www.ihtsdo.org/glossary_gb.pdf The Glossary is a general resource used to support all the other documents in this inventory. SNOMED CT Release Format 1 Guide • On line HTML version: www.ihtsdo.org/rf1 • PDF version US English Letter page size: www.ihtsdo.org/rf1.pdf • PDF version UK English A4 page size: www.ihtsdo.org/rf1_gb.pdf The RF1 Guide provides technical information relevant to those using the original SNOMED CT Release Format. Although this format was replaced by RF2 in January 2012, the old format is being maintained for a transitional period. SNOMED CT Non-Human Refset Guide • PDF version US English Letter page size: www.ihtsdo.org/guide/non_human_rs.pdf A guide to use of the "Non-Human" Simple Reference Set that contains concepts and terms that are only used in veterinary medicine. SNOMED CT Developer Toolkit Guide • PDF version US English Letter page size: www.ihtsdo.org/guide/toolkit.pdf A guide to use of value-added files and scripts that are provided as a toolkit available as part of the SNOMED CT International Release. Additional Documentation: The following materials previously published in separate documents are now integrated as part of the Technical Implementation Guide. • Technical Reference Guide • Namespace Identifier Guide • Namespace Identifier Registry • File Naming Convention • RF2 Data Structures Specification • RF2 Reference Set Specifications • RF2 Update Guide • Stated Relationships Guide • Canonical Table Guide (previously included in RF1) 1.7. Copyright Notice Copyright Notice: Preface | 9 ©2002-2012 The International Health Terminology Standards Development Organisation (IHTSDO). All Rights Reserved. SNOMED CT ® was originally created by The College of American Pathologists. "SNOMED" and "SNOMED CT" are registered trademarks of the IHTSDO. SNOMED CT has been created by combining SNOMED RT and a computer based nomenclature and classification known as Clinical Terms Version 3, formerly known as Read Codes Version 3, which was created on behalf of the UK Department of Health and is Crown copyright. This document forms part of the International Release of SNOMED CT distributed by the International Health Terminology Standards Development Organisation (IHTSDO), and is subject to the IHTSDO's © 2002-2012 International Health Terminology Standards Development Organisation CVR #: 30363434
Page 1 and 2: SNOMED CT ® Release Format 1 (RF1)
Page 3 and 4: Contents | 3 Release Format 1 - Det
Page 5 and 6: Chapter 1 Preface The purpose of th
Page 7: Table 3: Document Types Type Name a
Page 11 and 12: Chapter 2 Structure and Content Gui
Page 13 and 14: Figure 1: Multiple levels of granul
Page 15 and 16: Table 5: Example: Defining arthriti
Page 17 and 18: The full definitions of the concept
Page 19 and 20: Other components (i.e. Relationship
Page 21 and 22: 2.1.2.2.1.3. Linking related Concep
Page 23 and 24: • Local content requirements that
Page 25 and 26: Consistent representation is a prer
Page 27 and 28: Figure 8: Abstract logical model of
Page 29 and 30: 1. As originally stated: : • | Ha
Page 31 and 32: 2.2.1.3.2.3.1. Supertype aspects of
Page 33 and 34: Figure 11: Example hierarchy with l
Page 35 and 36: Concept E F G H J K L M Note: Compr
Page 37 and 38: Concept M List of proximal primitiv
Page 39 and 40: Table 11: Non-redundant attribute v
Page 41 and 42: G. | Severe upper limb laceration |
Page 43 and 44: As a result of this limitation some
Page 45 and 46: 2.2.1.4.3. Historical relationships
Page 47 and 48: 2.2.2.1.1.2. Refinement attribute n
Page 49 and 50: 2.2.2.1.4.3. Use of "unapproved att
Page 51 and 52: Interim recommendations 1. Wherever
Page 53 and 54: 2.2.2.3.1. Close-to-user expression
Page 55 and 56: It is important to note that combin
Page 57 and 58: 2.2.2.3.6.1. Example of equivalent
Page 59 and 60:
Figure 25: Alternative expressions
Page 61 and 62:
Figure 27: Possible expressions of
Page 63 and 64:
Figure 28: SCTID Short Format - App
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PartitionId 05 Description A Cross
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SctId 999999990989121104 2.3.2.9. T
Page 69 and 70:
2.3.3.2. Specification for Namespac
Page 71 and 72:
2.3.3.3.1.4. Procedures 2.3.3.3.1.4
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1. Every Concept in an Extension:
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Table 17: Processing Transfers betw
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In May 2008, the HL7 Version 3 Stan
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An expression supports combinations
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digitNonZero= %x31-39 The first cha
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excision of left fallopian tube. No
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This existential restriction is lab
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• In order to generate the OWL ve
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• Though there are many candidate
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2.3.7.2.2.1. Single byte encoding C
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9 0 9 Table 29: The full array for
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else {document.getElementById("out"
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http://www.augustana.ab.ca/~mohrj/a
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version. It seems unwise to prevent
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Table DescDualKey Table ConcDualKey
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The IHTSDO recognizes that, while i
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3.2.2. Release Format 1 - Structure
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3.2.3.2. Core Tables Data - Structu
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Data Fields InitialCapitalStatus De
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3.2.4.1. Subset Mechanism - Structu
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Data Fields ContextId 3.2.4.2.2. Su
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Subset SNOMED CT Top Level Navigati
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• as a combination of codes; •
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Table 41: Cross Mapping Tables Cros
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Table 44: Cross Map Targets Table K
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The History Mechanism is also used
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In addition, the ReferencedId field
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Table Descriptions Descriptions Rel
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Table 49: Relationships depending o
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Table 51: Changes to Relationships
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Table 52: Changes to Relationships
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• The only Relationships that it
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ComponentId ConceptId ReleaseVersio
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A readme.txt file is distributed wi
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Value 6 10 11 Limited Moved elsewhe
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As new concepts are added to SNOMED
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Table 73: DescriptionStatus Values
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3.2.9.2.2.4. InitialCapitalStatus T
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3.2.9.3. relationships tables Each
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3.2.9.3.2.3. ConceptId2 Table 84: -
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An integer value that expresses an
Page 155 and 156:
3.2.9.4.1.2.4. SubsetType Table 95:
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A string that identifies a Context
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3.2.9.4.2.1.2. Data Fields Table 10
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• MemberStatus 3.2.9.4.2.3.1.1. S
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3.2.9.4.2.4.1.3. MemberStatus Table
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3.2.9.4.2.5.2. Data Fields Table 11
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3.2.9.4.2.7.1.1. SubsetId Table 124
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3.2.9.4.2.8.1.3. MemberStatus Table
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3.2.9.4.3. Subset Definition File P
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3.2.9.5.1.2.3. MapSetSchemeId Table
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This discussion of rules is include
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3.2.9.5.1.3.2.3. MapRule Table 151:
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3.2.9.5.1.4.2.3. TargetRule Table 1
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RELAT_NMS = column in the LOINC tab
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The value of the SNOMED CT / LOINC
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The SNOMED CT Relationships Table e
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LOINC Analyte Name(s) DESMETHYLAMIO
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LOINC Analyte Name(s) COMPLEMENT IC
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The information provided includes d
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3.2.9.6.4.1.2. ReleaseVersion Table
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Value 6 7 8 9 10 11 Note: Name Limi
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3.2.9.6.5.1.1. ComponentId Table 17
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Release Format 1 is represents a sn
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RF1 Descriptions Table Descriptions
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Table 177: Concepts Table Use of re
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Use of recommended additional indic
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Use of recommended additional indic
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Table 184: Cross Map Sets Table Use
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Keys Partition Size Type Field Name
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Table 192: Word Equivalents Table U
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3.2.10. The Stated relationships ta
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Figure 41: Overview of Cross Map Sc
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Table 197: Cross Maps Sets Table Ma
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Table 201: Cross Maps Sets Table Ma
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Table 205: Cross Map Sets Table Map
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If this approach is followed, there
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This approach allows a more consist
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1. A record may contain many record
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• Temporally related to the selec
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CONCEPTID 95333004 7119001 95336007
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CONCEPTID 109778006 109788007 15270
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CONCEPTID 417163006 417746004 12820
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CONCEPTID 102706005 1677001 9145400
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CONCEPTID 399023006 399154007 39905
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CONCEPTID 399306005 399239005 39937
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CONCEPTID 125086000 78678003 388393
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CONCEPTID 339008 47002008 128419007
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CONCEPTID 16817006 15367004 1580700
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CONCEPTID 14509009 39250009 8627300
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CONCEPTID 122868007 122465003 78817
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CONCEPTID 19207007 74923002 6639100
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CONCEPTID 54305003 84100007 3216600
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CONCEPTID 255496004 255499006 24646
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CONCEPTID 62834003 5668004 34810001
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CONCEPTID 53224005 4150005 74636004
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CONCEPTID 47538007 19359003 3011000
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3.2.13. Enumerated values Value 0 1
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Table and Field Subsets SubsetType
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3.3. Release Format 2 Update Guide
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• The Release Format should minim
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3.3.3.4. Backward compatibility The
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3.3.4.5. Field Ordering Records in
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externalised structures such as Ref
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ContextId If either the RealmId fie
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eplaced by more descriptive ones if
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descriptions associated with concep
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Figure 45: Illustration of module d
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was inactivated. Each Reference ind
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Finally, add members to the Referen
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3.4.1. File Naming Convention - Ove
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• Test/Beta Release File("xsct",
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In certain cases, an RF1 data file
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VersionDate refers to the official,
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Example: Excluding the Fully Specif
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4.2.1.3. Pre-processing of distribu
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• Reject, highlight or apply othe
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Table 236: Essential concept Identi
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The purpose of this section of the
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Table 240: Example results for a Se
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• For each dual key, add rows to
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• Description104951019 is elimina
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4.4.1.4.1. Avoiding multiple hits o
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Table 248: Relationship Example Con
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• Since the depth of the hierarch
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4.4.2.5. Using navigation Subsets t
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Table 253: Concepts used in the Exa
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SubsetId Mem
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• 302402006 | radius and/or ulna
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Now we have tree nodes and their ch
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Subsets may be used to derive table
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• One Subset can be used as the b
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• A Context Concept Subset only r
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• A Navigation Subset specifies a
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• A RealmID identifies the specia
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4.5. Testing and traversing subtype
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This approach removes the need for
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4.5.5.2.4. Using the transitive clo
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Figure 55: Terminology server provi
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A field in the Component History Ta
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Cross maps table A data table consi
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• References Table Inactive compo
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A field in the Cross Maps Table tha
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A Subset that specifies sets of Nav
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A field in the Concepts Table that
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TargetId A SNOMED CT Identifier tha
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WordText A field in the Word Equiva
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