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

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144 | SNOMED CT Release Format 1 (RF1) Guide July 2012 3.2.9.2. Descriptions Table Each row in the Descriptions Table associates a term with a clinical concept, which it can be used to represent. Each Description has its own unique Identifier and also contains the text of a Term and the Identifier of the Concept that it represents. Note: Some terms may be applied to more than one concept. In this case each is represented by a separate row in the Descriptions Table with the same term text but with different Identifiers. Each Description contains a single term, which is valid in one or more languages or dialects. To identify the descriptions for any language edition, the appropriate Language Subset must be used. Do no use the Descriptions Table alone.The descriptions for each language edition (including English) are designated in the Subset. 3.2.9.2.1. Key Fields Table 71: - Descriptions Table Key Fields DescriptionId Field Type SCTID Permitted characters Digits 0 to 9 only Length 6 to 18 The unique SNOMED CT Identifier for this description. See Component features - Identifiers (2.1.1.4.2) for an explanation of the SCTID data type format. 3.2.9.2.2. Data Fields The Descriptions Table contains the following data fields: • DescriptionStatus • ConceptId • Term • InitialCapitalStatus • DescriptionType • LanguageCode 3.2.9.2.2.1. DescriptionStatus Table 72: - Descriptions Table Data Field DescriptionStatus Field Type Enumerated Permitted characters See listed values Length 1 to 2 The status of a Description indicates whether it is in current use and, if not, indicates the reason for withdrawal from current use. © 2002-2012 International Health Terminology Standards Development Organisation CVR #: 30363434
Table 73: DescriptionStatus Values Value 0 1 2 3 5 6 7 8 10 11 Note: Current Non-Current Duplicate Outdated Erroneous Limited Inappropriate Concept non-current Moved elsewhere Pending move Meaning Status value 4 is only applicable to ConceptStatus. Release File Formats | 145 The Description and its associated Concept are in current use. The Description has been withdrawn without a specified reason. The Description has been withdrawn from current use because it duplicates another description containing the same term (or a very similar term) associated with the same Concept. The Description has been withdrawn from current use because this Term is no longer in general clinical use as a label for the associated Concept. The Description has been withdrawn as the Term contains errors. The Description is a valid Description of a Concept which has "limited" status (i.e. the Concept has ConceptStatus = 6). The Description has been withdrawn as the Term should not refer to this concept. The Description is a valid Description of a Concept which has been made non-current (i.e. the Concept has ConceptStatus 1, 2, 3, 4, 5, or 10). The Description has been moved to an extension, to a different extension, or to the International Release. A reference will indicate the namespace to which the description has been moved. The Description will be moved to an extension, to a different extension, or to the International Release. A reference will indicate the namespace to which the description has been moved when the recipient organization confirms the move (Future Use). A Description is only marked as current (DescriptionStatus = 0) if the associated Concept is also current (ConceptStatus = 0). • A Concept made inactive (with ConceptStatus = 1, 2, 3, 4, 5 or 10) retains its previous current Descriptions but these are marked " Concept non-current" (DescriptionStatus = 8); © 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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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
Page 123 and 124: The History Mechanism is also used
Page 125 and 126: In addition, the ReferencedId field
Page 127 and 128: Table Descriptions Descriptions Rel
Page 129 and 130: Table 49: Relationships depending o
Page 131 and 132: Table 51: Changes to Relationships
Page 133 and 134: Table 52: Changes to Relationships
Page 135 and 136: • The only Relationships that it
Page 137 and 138: ComponentId ConceptId ReleaseVersio
Page 139 and 140: A readme.txt file is distributed wi
Page 141 and 142: Value 6 10 11 Limited Moved elsewhe
Page 143: As new concepts are added to SNOMED
Page 147 and 148: 3.2.9.2.2.4. InitialCapitalStatus T
Page 149 and 150: 3.2.9.3. relationships tables Each
Page 151 and 152: 3.2.9.3.2.3. ConceptId2 Table 84: -
Page 153 and 154: An integer value that expresses an
Page 155 and 156: 3.2.9.4.1.2.4. SubsetType Table 95:
Page 157 and 158: A string that identifies a Context
Page 159 and 160: 3.2.9.4.2.1.2. Data Fields Table 10
Page 161 and 162: • MemberStatus 3.2.9.4.2.3.1.1. S
Page 163 and 164: 3.2.9.4.2.4.1.3. MemberStatus Table
Page 165 and 166: 3.2.9.4.2.5.2. Data Fields Table 11
Page 167 and 168: 3.2.9.4.2.7.1.1. SubsetId Table 124
Page 169 and 170: 3.2.9.4.2.8.1.3. MemberStatus Table
Page 171 and 172: 3.2.9.4.3. Subset Definition File P
Page 173 and 174: 3.2.9.5.1.2.3. MapSetSchemeId Table
Page 175 and 176: This discussion of rules is include
Page 177 and 178: 3.2.9.5.1.3.2.3. MapRule Table 151:
Page 179 and 180: 3.2.9.5.1.4.2.3. TargetRule Table 1
Page 181 and 182: RELAT_NMS = column in the LOINC tab
Page 183 and 184: The value of the SNOMED CT / LOINC
Page 185 and 186: The SNOMED CT Relationships Table e
Page 187 and 188: LOINC Analyte Name(s) DESMETHYLAMIO
Page 189 and 190: LOINC Analyte Name(s) COMPLEMENT IC
Page 191 and 192: The information provided includes d
Page 193 and 194: 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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