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

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280 | SNOMED CT Release Format 1 (RF1) Guide July 2012 MemberStatus LinkedId An integer specifying the status, type or order of this member. Valid for Navigation and Duplicate Terms Subsets only. For Navigation Subsets it is the SNOMED CT Identifier for a Concept that is a Navigation child of the Subset Member. For Duplicate Terms Subsets it is the SNOMED CT Identifier for the highest priority Descriptions haring theDuplicate Term. Some Subsets and their members are generated automatically from an XML definition file. 3.3.4.7.3. Representing Subsets as Reference Sets An existing RF1 Subset may be represented as an RF2 Reference Set in the following way: A concept should be created in the | Reference Set | metadata hierarchy, using information in the Subset table record. A Descriptor for the Reference Set should also be set up using information in the Subset table record. Then, one Reference Set member record should be created for each Subset Member table record. The way in which the subsets are represented in RF2 depends on the SubsetType value, as follows: Table 223: Representing Subsets as Reference Sets SubsetType value 1 2 3 4 5 6 7 8 Description Language Realm Concept Realm Description Realm Relationship Context Concept Context Description Navigation Duplicate terms Mapping to RF2 Language type Reference Set Ordered type Reference Set Language type Reference Set Ordered type Reference Set Ordered type Reference Set Language type Reference Set Ordered type Reference Set. Ordered type Reference Set 3.3.4.7.4. Representing Subsets as Ordered type Reference Sets | Ordered type | Reference Sets can be set up as follows: First, set up a new concept for the Reference Set in the |Ordered type| metadata hierarchy. The position in the hierarchy should be given by the RealmId and ContextIdfields in the Subset record, as follows: SNOMED CT Model component Foundation metadata concept Reference set Ordered type RealmId © 2002-2012 International Health Terminology Standards Development Organisation CVR #: 30363434
ContextId If either the RealmId field or the ContextId fields are "0", "1", blank or null in the Subset record, then that level should not be set up in the metadata hierarchy. If a concept already exists under |Ordered type| with a matching RealmId and ContextId, then the new Reference Set should be set up in that position (as opposed to creating two |Ordered type| children with duplicate names). First, the concept describing the Reference Set should be created with the following values: Table 224: Reference Set Concept Field id effectiveTime active moduleId Data type SCTID Time Boolean SCTID Set to A unique id in your namespace. The nominal date of release for your Reference Set. If a full state valid representation of a subset's history is required, then each previous release of the Subset files must be processed in turn (by identifying Subset records with a matching SubsetOriginalId, in their SubsetVersion order), and each amended version must be applied to the reference set by appending rows in the usual fashion.The effectiveTimeof each applied change should be set to the date that each version of the Subset was released. '1' The module Identifier for your authoring organization . Then, add up two Descriptions for the FSN and the Preferred Term of the concept: Table 225: Reference Set Descriptions Field id effectiveTime active moduleId conceptId languageCode typeId Data type SCTID Time Boolean SCTID SCTID String SCTID Set to A unique id in your namespace. The nominal date of release for your Reference Set. '1' The module Identifier for your authoring organization . Formats | 281 The Identifier of the concept describing the Reference Set that you've just added. The language of the Description. This field should be set to the language that the Subset was defined in, for example - 'en' for English. Create two Description records, one for each of the following types: | Fully specified name |, | Synonym |. © 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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Page 267 and 268: 3.2.13. Enumerated values Value 0 1
Page 269 and 270: Table and Field Subsets SubsetType
Page 271 and 272: 3.3. Release Format 2 Update Guide
Page 273 and 274: • The Release Format should minim
Page 275 and 276: 3.3.3.4. Backward compatibility The
Page 277 and 278: 3.3.4.5. Field Ordering Records in
Page 279: externalised structures such as Ref
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Page 285 and 286: descriptions associated with concep
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Page 289 and 290: was inactivated. Each Reference ind
Page 291 and 292: Finally, add members to the Referen
Page 293 and 294: 3.4.1. File Naming Convention - Ove
Page 295 and 296: • Test/Beta Release File("xsct",
Page 297 and 298: In certain cases, an RF1 data file
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Page 303 and 304: 4.2.1.3. Pre-processing of distribu
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Page 317 and 318: 4.4.1.4.1. Avoiding multiple hits o
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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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