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

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190 | SNOMED CT Release Format 1 (RF1) Guide July 2012 Column Name COMPONENT PROPERTY TIME_ASPCT SYSTEM SCALE_TYP METHOD_TYP RELAT_NMS ANSWERLIST RelationshipType ConceptId 3.2.9.6. History Data Type Char Char Char Char Char Char Char Char Integer Integer 3.2.9.6.1. History - Introduction Max. Length 150 10 10 50 30 50 254 2056 18 18 Description Fields 2-7 contain the six parts of the name. The fully specified name for a given LOINC code would be constructed by printing out the contents of these fields (27), inserting a colon (:) between the contents of each of these fields. 11 One or more synonyms, separated by semicolons (;). This field is intended to make it easier to find a given observation by providing other names by which the observation may be known. For a drug level, for example, we include the trade names of that drug under the related names. 12 The list of answers for results that are reportable from a multiple choice list (e.g., the answers for the term DISPOSITION OF BLOOD PACK are GIVEN;PARTIALLY GIVEN;DISCARDED). This field provides examples, not required answer lists. 13 SNOMED CT Concept Identifier (ConceptId) from the SNOMED CT Concepts table. Defines the relationship between the LOINC name and the target SNOMED CT concept. Target SNOMED CT ConceptId from the SNOMED CT Concepts table All changes to SNOMED CT components are tracked and details of this changes are provided in history files. 11 Copyright 1995-2008, Regenstrief Institute and the Logical Observation Identifier Names and Codes (LOINC ®) Committee. All rights reserved. 12 Copyright 1995-2008, Regenstrief Institute and the Logical Observation Identifier Names and Codes (LOINC ®) Committee. All rights reserved. 13 Copyright 1995-2008, Regenstrief Institute and the Logical Observation Identifier Names and Codes (LOINC ®) Committee. All rights reserved. © 2002-2012 International Health Terminology Standards Development Organisation CVR #: 30363434
The information provided includes details of creation of new components and changes to the status of components. When a component is made inactive, relationships or references are provided to indicate the active component that replaces or may be equivalent to the inactivated component. 3.2.9.6.2. Active Concepts 3.2.9.6.2.1. Current Concepts SNOMED CT Concepts that are intended for active use are referred to as Active Concepts. Most Active Concepts are suitable for general use and have the ConceptStatus"current." Other Active Concepts are intended for active use in particular circumstances. These Concepts have the ConceptStatusvalue "Pending move." The significance of this status value is described in the following sections. 3.2.9.6.2.2. Concepts Pending Movement to other namespaces Concepts with the ConceptStatus" Pending move" are released as Active Concepts while waiting for a transitional period after which they are expected to be released in another namespace. SNOMED CT supports the inclusion of Extensions to the terminology managed by different organizations . Concepts released by different organizations have ConceptIds allocated within different namespaces. In some situations it is appropriate to transfer maintenance of one or more Concepts between separately managed namespaces. After a transfer the original Concept becomes inactive with the ConceptStatus "Moved elsewhere." However, the process of release and installation of updates from different extensions will typically be asynchronous. Thus a Concept move may be initiated in the original namespace but not yet completed in the target namespace. In this situation, the Concept is released with the ConceptStatus" Pending move." In addition to their active Descriptions and Relationships, these Concepts have a | Moved to |Relationship indicating the target namespace for the future maintenance of the Concept. If the implementer or user has access to the replacement Concept in the target namespace then a Concept with this status may be treated as inactivated. However, unless and until such Concept is available, a "Pending move" Concept should be treated as an Active Concept. 3.2.9.6.3. Inactive Concepts Many Concepts released in SNOMED CT are, for one reason or another, not recommended for active use. These Concepts are released as part of SNOMED CT to support legacy data. The ConceptStatus indicates the reason for inactivation of a Concept. These include the following: • Retired: The Concept has been withdrawn without a specified reason. • Duplicate: The Concept has been withdrawn from active use because it duplicates another Concept. • Outdated: The Concept has been withdrawn from active use because it is no longer recognized as a valid clinical Concept. • Ambiguous: The Concept has been withdrawn from active use because it is inherently ambiguous. • Erroneous: The Concept has been withdrawn from active use because it contains an error. A corrected, but otherwise similar, Concept has been added to replace it. • Moved elsewhere:The Concept is no longer maintained by the organization responsible for the namespace of this ConceptId. The Concept has been moved to another namespace indicated by an associated | Moved to |Relationship. All Inactive Concepts are subtypes of an appropriate subtype of the Special Concept "Inactive concept." They do no participate in any other subtype Relationships and have no defining characteristic. 3.2.9.6.3.1. Limited Concepts Formats | 191 Until the January 2010 release of SNOMED CT, Concepts with the ConceptStatus "Limited" were considered to be Active Concepts on the basis that they existed in classifications or administrative groupings, and might © 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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Page 141 and 142: Value 6 10 11 Limited Moved elsewhe
Page 143 and 144: As new concepts are added to SNOMED
Page 145 and 146: Table 73: DescriptionStatus Values
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: LOINC Analyte Name(s) COMPLEMENT IC
Page 193 and 194: 3.2.9.6.4.1.2. ReleaseVersion Table
Page 195 and 196: Value 6 7 8 9 10 11 Note: Name Limi
Page 197 and 198: 3.2.9.6.5.1.1. ComponentId Table 17
Page 199 and 200: Release Format 1 is represents a sn
Page 201 and 202: RF1 Descriptions Table Descriptions
Page 203 and 204: Table 177: Concepts Table Use of re
Page 205 and 206: Use of recommended additional indic
Page 207 and 208: Use of recommended additional indic
Page 209 and 210: Table 184: Cross Map Sets Table Use
Page 211 and 212: Keys Partition Size Type Field Name
Page 213 and 214: Table 192: Word Equivalents Table U
Page 215 and 216: 3.2.10. The Stated relationships ta
Page 217 and 218: Figure 41: Overview of Cross Map Sc
Page 219 and 220: Table 197: Cross Maps Sets Table Ma
Page 221 and 222: Table 201: Cross Maps Sets Table Ma
Page 223 and 224: Table 205: Cross Map Sets Table Map
Page 225 and 226: If this approach is followed, there
Page 227 and 228: This approach allows a more consist
Page 229 and 230: 1. A record may contain many record
Page 231 and 232: • Temporally related to the selec
Page 233 and 234: CONCEPTID 95333004 7119001 95336007
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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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