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

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350 | SNOMED CT Release Format 1 (RF1) Guide July 2012 Chapter 5 SNOMED CT Release Format 1 file and field names This section lists the file and field names used in Release Format 1 technical specifications within this guide. The scope of use of these names is limited to the tables in which they are used and the given definitions are not intended for use in any other context.. Active concept A Concept that is intended for active use. This is determined by the ConceptStatus. Concepts with status value 'Current' (0) are always regarded as active. Concepts with status 'Pending Move (11) are regarded as active if the Concept is not yet accessible in the new target Namespace. See also Inactive Concept. Note: Component status value Active description A Description that is intended for active use. This is determined by a combination of the DescriptionStatus, the DescriptionType in the Language or Dialect in use and the ConceptStatus of the associated Concept. Descriptions are active when the following conditions apply: • Associated with an Active Concept; • AND DescriptionStatus'Current' (0) or Pending Move (11); • AND DescriptionTypenot unspecified (0) in a chosen Language / Dialect See also Inactive Description. Note: Component status value - NEEDS REVISING FOR RF2 Boolean A datatype that represents either true or false. Note: In SNOMED CT release files the value 0 (zero) represents "false" and the value 1 (one) represents true. Canonical table A table that contains the Canonical form expressions for all SNOMED CT Concepts.This table contains some (but not all) of the attributes present in the Relationships Table. It only contains the Defining characteristics required to distinguish a Concept from its most proximate Primitive supertype Concepts. The set of | is a | subtype Relationships excludes Relationships to Fully defined (non - primitive) Concepts and includes instead appropriate additional Relationships to the most proximate supertypes. Note: ? Component Table name in SNOMED CT Release Format 1: shouldn't this be deleted as it is a RF1 artifact? ChangeType © 2002-2012 International Health Terminology Standards Development Organisation CVR #: 30363434
A field in the Component History Table that indicates the nature of a change to a component made in a specified release of SNOMED CT. Note: Field name in SNOMED CT Release Format 1 CharacteristicType A field in the Relationships Table that indicates whether a Relationship specifies a defining characteristic, a qualifying characteristic, a historical relationship, or an additional non - defining characteristic. Note: Field name in SNOMED CT Release Format 1 Component history table A data table consisting of rows each of which represents an item of Component History. The Component History Table is part of the History Mechanism. See Component History Table (3.2.9.6.4). Note: Component Table name in SNOMED CT Release Format 1 ComponentId A general term used to refer to the primary Identifier of any SNOMED CT Component. ComponentIds include ConceptIds, DescriptionIds, RelationshipIds, SubsetIds, CrossMapSetIds and TargetIds. All ComponentIdsfollow the form of the SCTID specification. Note: Field name in SNOMED CT Release Format 1 ConceptId A SNOMED CT Identifier that uniquely identifies a Concept (meaning). Example: For the meaning named | Pneumonia (disorder) |, the ConceptId is 233604007. Note: Field name in SNOMED CT Release Format 1 ConceptId1 A field in the Relationships Table and Canonical Table that refers to the first of two related Concepts. The first Concept is defined or qualified by a Relationship to the second Concept. Note: Field name in SNOMED CT Release Format 1 ConceptId2 A field in the Relationships Table and Canonical Table that refers to the second of two related Concepts. The second Concept defines or qualifies the first Concept. Note: Field name in SNOMED CT Release Format 1 Concepts table A table that includes all SNOMED CT concept codes. Each concept code is represented by a single row. Note: Component Table name in SNOMED CT Release Format 1 ConceptStatus SNOMED CT Release Format 1 file and field names | 351 © 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
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2.1.2.2.1.3. Linking related Concep
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• Local content requirements that
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Consistent representation is a prer
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Figure 8: Abstract logical model of
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1. As originally stated: : • | Ha
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2.2.1.3.2.3.1. Supertype aspects of
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Figure 11: Example hierarchy with l
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Concept E F G H J K L M Note: Compr
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Concept M List of proximal primitiv
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Table 11: Non-redundant attribute v
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G. | Severe upper limb laceration |
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As a result of this limitation some
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2.2.1.4.3. Historical relationships
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2.2.2.1.1.2. Refinement attribute n
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2.2.2.1.4.3. Use of "unapproved att
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Interim recommendations 1. Wherever
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2.2.2.3.1. Close-to-user expression
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It is important to note that combin
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2.2.2.3.6.1. Example of equivalent
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Figure 25: Alternative expressions
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Figure 27: Possible expressions of
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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
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2.3.3.2. Specification for Namespac
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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
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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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Page 317 and 318: 4.4.1.4.1. Avoiding multiple hits o
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Page 347 and 348: 4.5.5.2.4. Using the transitive clo
Page 349: Figure 55: Terminology server provi
Page 353 and 354: Cross maps table A data table consi
Page 355 and 356: • References Table Inactive compo
Page 357 and 358: A field in the Cross Maps Table tha
Page 359 and 360: A Subset that specifies sets of Nav
Page 361 and 362: A field in the Concepts Table that
Page 363 and 364: TargetId A SNOMED CT Identifier tha
Page 365: WordText A field in the Word Equiva
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