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

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72 | SNOMED CT Release Format 1 (RF1) Guide July 2012 • When Namespace Identifiers are allocated, a record of the number of that Identifier, the date of issuance, the body from which the Affiliate License was obtained (if applicable), and the name and contact information of the individual/organization to which it was issued will be added to the Namespace Register. • On an annual basis, IHTSDO or its designated support organization will contact all those to whom Namespace Identifiers have been issued by email to confirm contact information. A reminder will be sent after 30 days if a response has not been received. The year in which a confirmation of current contact information was last received will also appear in the Namespace Register. • IHTSDO reserves the right to make a Namespace Identifier inactive for current and future use (i.e. it cannot be used for newly-created concepts from that point onward) if the individual or organization to which it was issued cannot be contacted after three attempts. This status will be noted in the Namespace Register and the individual or organization to which the Namespace Identifier was issued will be notified accordingly. • IHTSDO also reserves the right to make a Namespace Identifier inactive if (1) it is requested to do so by the organization to which the Namespace Identifier was issued, (2) the organization to which the Namespace Identifier was issued is involved in a merger or acquisition with another organization to which a Namespace Identifier has been issued, or (3) it receives a written complaint about the use of that Namespace that, upon investigation, it determines to be well-founded, according to the protocol for material breaches and termination of Affiliate Licenses identified in clause 5.2 of the Affiliate License . • The Namespace Register will be published with each version of the SNOMED CT International Release. In the future, IHTSDO reserves the right to also publish the NamespaceRegister on the IHTSDO website. 2.3.3.3.1.5. References • IHTSDO Articles of Association ; • SNOMED CT Technical Implementation Guide ; • IHTSDO Namespace Identifier Application Form . 2.3.3.3.1.6. Document Control This policy was approved by the IHTSDO Management Board on August 4, 2009 and is subject to regular review according to IHTSDO's policy review processes. Key stakeholders include the Technical Committee, the Implementation and Innovation Committee, the Member Forum, and the Affiliate Forum. 2.3.3.4. Component Guidelines Descriptions that are part of an Extension can refer to either a Concept that is part of that Extension, a Concept that is part of another Extension, or an International Release Concept. Relationships that are part of an Extension can relate two Concepts in the Extension or two Concepts in different Extensions. The relationship can also relate the extension Concept to an International Release Concept-- that is, sourceId is in the extension and destinationId is in the International Release. 2.3.3.5. Content of Extensions The components in an Extension have the same structure as International Release components of SNOMED CT. SNOMED CT International Release is not dependent on availability of any Extension. However, all SNOMED CT Extensions are dependent on the SNOMED CT International Release. Some Extensions may also be dependent on other Extensions. Dependencies between Extensions must be declared and must not be circular. The following rules apply to dependencies between components and derivatives in Extensions. Note: In these rules, • Containing-Extension, refers to the Extension that contains the named component or derivative. • Dependee-Extension, refers to another Extension on which the Containing-Extension is dependent. © 2002-2012 International Health Terminology Standards Development Organisation CVR #: 30363434
1. Every Concept in an Extension: • Must be a subtype descendant of an International Release Concept: • This descent may be indirect, passing through Concepts in either the Containing-Extension or a Dependee-Extension. 2. Every Description in an Extension: • Must apply to a Concept, in the one of the following Namespaces: the Containing-Extension, the International Release or a Dependee-Extension. 3. Every defining Relationship in an Extension: • Must define a sourceId which refers to a Concept in the Containing-Extension. • In exceptional circumstances, an Extension may add additional defining attributes to a Concept in the International Release or a Dependee-Extension. • Must have typeId which refers to a Concept, in the one of the following Namespaces: the Containing-Extension, the International Release, or a Dependee-Extension. • Must have a destinationId which refers to a Concept, in the one of the following Namespaces: the Containing-Extension, the International Release, or a Dependee-Extension. 4. A Reference Set in an Extension: • May include references to components and derivatives in any of the following Namespaces: the Containing-Extension, the International Release, or a Dependee-Extension. 5. The enumerated values used in RF2 components that form part of an Extension must be all be represented by metadata Concepts that are present in one of the following Namespaces: the Containing-Extension, the International Release, or a Dependee-Extension. The following additional rules are only relevant to Extensions represented using Release Format 1: • Subsets in an Extension: • May include as its members Components from the following Namespaces: the Containing-Extension, the International Release, or a Dependee-Extension. • May refer to other Subsets in the following Namespaces: the Containing-Extension, the International Release, or a Dependee-Extension. • Cross Map Sets in an Extension: • May provide maps for Concepts from the following Namespaces: the Containing-Extension, the International Release, or a Dependee-Extension. 2.3.3.6. Transfer of Responsibility between Organizations When the need arises to transfer components (Concepts, Descriptions, Relationships) from the International Release content to an Extension, from an Extension to the International Release, or from one Extension to another, conversation and coordination between the sending and receiving organizations is needed. In some cases, entire tables may be transferred - not just individual components. It should be noted that the transfer of components among Extensions, or between an Extension and the International Release, is subject to the terms of the IHTSDO Affiliate License and, within an IHTSDO Member country, may also be subject to the terms of that Member's SNOMED CT national license . Examples of transfers include: Structure and Content Guide | 73 • From the SNOMED CT International Release to an organization responsible for an Extension: © 2002-2012 International Health Terminology Standards Development Organisation CVR #: 30363434
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SNOMED CT ® Release Format 1 (RF1)
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Contents | 3 Release Format 1 - Det
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Chapter 1 Preface The purpose of th
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Table 3: Document Types Type Name a
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IHTSDO Glossary (DRAFT) • On line
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Chapter 2 Structure and Content Gui
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Figure 1: Multiple levels of granul
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Table 5: Example: Defining arthriti
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The full definitions of the concept
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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
Page 65 and 66: PartitionId 05 Description A Cross
Page 67 and 68: SctId 999999990989121104 2.3.2.9. T
Page 69 and 70: 2.3.3.2. Specification for Namespac
Page 71: 2.3.3.3.1.4. Procedures 2.3.3.3.1.4
Page 75 and 76: Table 17: Processing Transfers betw
Page 77 and 78: In May 2008, the HL7 Version 3 Stan
Page 79 and 80: An expression supports combinations
Page 81 and 82: digitNonZero= %x31-39 The first cha
Page 83 and 84: excision of left fallopian tube. No
Page 85 and 86: This existential restriction is lab
Page 87 and 88: • In order to generate the OWL ve
Page 89 and 90: • Though there are many candidate
Page 91 and 92: 2.3.7.2.2.1. Single byte encoding C
Page 93 and 94: 9 0 9 Table 29: The full array for
Page 95 and 96: else {document.getElementById("out"
Page 97 and 98: http://www.augustana.ab.ca/~mohrj/a
Page 99 and 100: version. It seems unwise to prevent
Page 101 and 102: Table DescDualKey Table ConcDualKey
Page 103 and 104: The IHTSDO recognizes that, while i
Page 105 and 106: 3.2.2. Release Format 1 - Structure
Page 107 and 108: 3.2.3.2. Core Tables Data - Structu
Page 109 and 110: Data Fields InitialCapitalStatus De
Page 111 and 112: 3.2.4.1. Subset Mechanism - Structu
Page 113 and 114: Data Fields ContextId 3.2.4.2.2. Su
Page 115 and 116: Subset SNOMED CT Top Level Navigati
Page 117 and 118: • as a combination of codes; •
Page 119 and 120: Table 41: Cross Mapping Tables Cros
Page 121 and 122: 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
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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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