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

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66 | SNOMED CT Release Format 1 (RF1) Guide July 2012 2.3.2.8. Example SNOMED CT identifiers The following examples conform to the SNOMED CT identifier specification and illustrate a range of possible Identifiers within different partitions and namespaces. SctId 100005 100014 100022 1290023401015 1290023401015 9940000001029 10000001105 10989121108 1290989121103 1290000001117 9940000001126 Partition identifier 00 =Concept, using short format 01=Description, using short format 02=Relationship, using short format 00=Concept, using short format 01=Description, using short format 02=Relationship, using short format 10=Concept, using long format 10= Concept, using long format 10= Concept, using long format 11= Description, using long format 12= Relationship, using long format Check digit 5 4 2 9 5 9 5 8 Notes © 2002-2012 International Health Terminology Standards Development Organisation CVR #: 30363434 3 7 6 The Item Identifier digits ‘100’ are the lowest permitted value.Therefore this is the lowest SctId that can be allocated to a Concept. This is the lowest SctId that can be allocated to a Description. This is the lowest SctId that can be allocated to a Relationship. A valid SctId for a Concept. A valid SctId for a Description. A valid SctId for a Relationship. A valid long format SctId for a Concept in the 0000001 namespace. A valid long format SctId for a Concept in the 0989121 namespace. A valid long format SctId for a Concept in the 0989121 namespace. A valid long format SctId for a Description in the 0000001 namespace. A valid long format SctId for a Relationship in the 0000001 namespace.
SctId 999999990989121104 2.3.2.9. The Namespace hierarchy Partition identifier 10= Concept, using long format Check digit 4 Notes The maximum valid SctId for a Concept in the 0989121 namespace. SNOMED CT core release files include metadata Concepts that represent each of the allocated namespace-identifiers.The Concepts representing the namespaces are arranged in a single parent hierarchy, as follows: • 370136006 | Namespace concept | • 373872000 | Core Namespace | • | Extension Namespace A {} | • | Extension Namespace B {} | • | Extension Namespace D {} | • | Extension Namespace E {} | • | Extension Namespace C {} | Figure 30: Hierarchy for: Namespace concept (namespace concept) In the above hierarchy,| Extension Namespace A {} |, | Extension Namespace B {} | and | Extension Namespace C {} | are all child namespaces of the 373872000 | Core Namespace | (representing the International edition which does not have a namespace-identifier, and uses short format SCTIDs to identify components). Also, | Extension Namespace B {} | is the parent namespace of | Extension Namespace D {} | and | Extension Namespace E {} | . Each Namespace concept may only have one parent Namespace concept in the 370136006 | Namespace concept | sub-hierarchy. The namespace hierarchy is used to constrain which content can be promoted from one Extension to another without amending the SCTID. Content may be moved (without amendment of SCTID) from an Extension released by the owner of a child namespace to an Extension released by the owner of a parent (or ancestor) namespace, as described by the |370136006 | Namespace concept | sub-hierarchy. Examples: 1. A concept with an SCTID that includes | Extension Namespace D {} | may be moved to the Extension maintained by the owner of | Extension Namespace B {} | without changing its SCTID, because this is a parent of the originating namespace. 2. A concept with an SCTID that includes | Extension Namespace D {} | must not be moved to the Extension maintained by the owner of | Extension Namespace C {} | because this is not parent (or ancestor) of the originating namespace. Therefore, to make this move the original concept must be inactivated and replaced by a new component with a new SCTID in target namespace. 3. Any concept may be moved from any Extension to the International Release (subject only to formal acceptance that is a valid addition for international use). Namespace concepts have the following characteristics: Structure and Content Guide | 67 • They are subtypes (either children or descendants) of 370136006 | Namespace concept |. • The Fully Specified Name of each Concept has the form “ Extension Namespace {nnnnnnn} (namespace concept)” – where nnnnnnn is the seven digit Namespace-Identifier. © 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
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
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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: PartitionId 05 Description A Cross
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
Page 73 and 74: 1. Every Concept in an Extension:
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Page 89 and 90: • Though there are many candidate
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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
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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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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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