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

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352 | SNOMED CT Release Format 1 (RF1) Guide July 2012 A field in the Concepts Table that specifies whether a Concept is in current use. Values include "current", "duplicate", "erroneous" "ambiguous" and "limited". Note: Field name in SNOMED CT Release Format 1 Context concept subset A Subset used to specify the Concepts that form part of a context - domain. Context description subset A Subset used to specify the Descriptions that form part of a context - domain. ContextId A field in the Subsets Table that specifies the context within which a Context Concept Subset or Context Description Subset is valid. Note: Field name in SNOMED CT Release Format 1 Core table Refers to the SNOMED CT Concept, Relationship and Description Tables. Note: Component Table name in SNOMED CT Release Format 1 Alternatives SNOMED CT core table Cross map A Cross Map is a reference from a Concept code to a Cross Map Target. Each Cross Map is represented as a row in the Cross Maps Table. It links a single SNOMED CT concept code to one or more codes in a target classification (such as ICD-9-CM) or terminology. A Concept code may have a single Cross Map or a set of alternative Cross Maps Cross map set A set of Cross Maps that together provide a valid way of mapping some or all SNOMED CT Concepts to a specified Target Scheme. Alternative Cross Map Sets may exist for the same Target Scheme, if business rules or guidelines alter the appropriateness of particular mappings to that scheme. Each Cross Map Set is represented as a row in the Cross Map Sets Table. Cross map sets table A data table consisting of rows each of which represents a Cross Map Set. Note: Component Table name in SNOMED CT Release Format 1 Cross map target A code or set of codes in a Target Scheme that together represent an appropriate mapping from a clinical statement expressed using SNOMED CT. Some Cross Map Targets may be derived from two or more associated statements and in these cases the combination can be expressed as a set of associated rules. Each Cross Map Target is represented as a row in the Cross Map Targets Table. Cross map targets table A data table consisting of rows each of which represents a Cross Map Set. Note: Component Table name in SNOMED CT Release Format 1 © 2002-2012 International Health Terminology Standards Development Organisation CVR #: 30363434
Cross maps table A data table consisting of rows each of which represents a Cross Map. Note: Component Table name in SNOMED CT Release Format 1 CTV3ID A five-character code allocated to a meaning or term in Clinical Terms Version 3 (CTV3, previously known as Read Codes). Each row in the SNOMED CT concepts table has a field for the corresponding concept code from CTV3. Note: Field name in SNOMED CT Release Format 1 Note: The CTV3ID and SNOMEDID fields are no longer supported in Release Format 2. Instead a |Simple map (reference set)| is used to document the link between legacy codes and SNOMED CT. Note: The CTV3ID field should no longer be relied upon for mapping to and from the Read Codes. Additional mapping work in the UK identified some anomalies and resulted development of more flexibility table for Read Code Mapping Current Current... to be defined. DescriptionId A SNOMED CT Identifier that uniquely identifies a Description. Note: Field name in SNOMED CT Release Format 1 Descriptions table A data table consisting of rows, each of which represents a Description. Note: Component Table name in SNOMED CT Release Format 1 DescriptionStatus A field in the Descriptions Table that specifies whether a Description is in current use.Values include "current", "duplicate", "erroneous" "inappropriate" and "limited". Note: Field name in SNOMED CT Release Format 1 DescriptionType A field in the Descriptions Table that specifies whether a Description is a Fully Specified Name, Preferred Term, or Synonym.The DescriptionType is language dependent and may be changed by applying a Language Subset. It may be "undefined" in the released Descriptions Table in which case the Description is not used unless an appropriate Language Subset is applied. Note: Field name in SNOMED CT Release Format 1 SNOMED CT Release Format 1 file and field names | 353 Dualkey A key used to facilitate textual searches of SNOMED CT that consists of the first three letters of a pair of words in a Description. All possible pairs of words in each Description may be paired irrespective of their relative position in the Description. Dualkeys are represented as a row in the Dualkeys Table. © 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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VersionDate refers to the official,
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Page 351: A field in the Component History Ta
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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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