Clinical Genomics Resource Incubator
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Clinical Genomics Resource Incubator, published by HL7 International / Clinical Genomics. This guide is not an authorized publication; it is the continuous build for version 0.1.0-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/cg-incubator/ and changes regularly. See the Directory of published versions

: Molecular Definition Topology CodeSystem

Page standards status: Informative Maturity Level: 0

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@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

 a fhir:CodeSystem ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:id [ fhir:v "moleculardefinition-topology"] ; # 
  fhir:meta [
fhir:lastUpdated [ fhir:v "2026-03-23T00:00:00Z"^^xsd:dateTime ] ;
    ( fhir:profile [
fhir:v "http://hl7.org/fhir/StructureDefinition/shareablecodesystem"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/StructureDefinition/shareablecodesystem>     ] )
  ] ; # 
  fhir:language [ fhir:v "en"] ; # 
  fhir:text [
fhir:status [ fhir:v "generated" ] ;
fhir:div [ fhir:v "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem moleculardefinition-topology</b></p><a name=\"moleculardefinition-topology\"> </a><a name=\"hcmoleculardefinition-topology\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Last updated: 2026-03-23 00:00:00+0000</p><p style=\"margin-bottom: 0px\">Profile: <a href=\"http://hl7.org/fhir/R5/shareablecodesystem.html\">Shareable CodeSystem</a></p></div><p>This case-sensitive code system <code>http://hl7.org/fhir/uv/cg-incubator/CodeSystem/moleculardefinition-topology</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">linear<a name=\"moleculardefinition-topology-linear\"> </a></td><td>Linear</td><td>Linear, contiguous sequence (e.g., a chromosome segment, allele, or mRNA).</td></tr><tr><td style=\"white-space:nowrap\">linear-discontiguous<a name=\"moleculardefinition-topology-linear-discontiguous\"> </a></td><td>Linear discontiguous</td><td>Linear sequence with gaps; the molecule consists of multiple non-contiguous segments on a linear axis (e.g., a haplotype spanning multiple exons).</td></tr><tr><td style=\"white-space:nowrap\">circular<a name=\"moleculardefinition-topology-circular\"> </a></td><td>Circular</td><td>Circular, contiguous sequence with no free ends (e.g., a plasmid, mitochondrial genome, or circular RNA).</td></tr><tr><td style=\"white-space:nowrap\">branched<a name=\"moleculardefinition-topology-branched\"> </a></td><td>Branched</td><td>Branched molecular structure (e.g., carbohydrate modifications or branched RNA).</td></tr></table></div>"^^rdf:XMLLiteral ]
  ] ; # 
  fhir:extension ( [
fhir:url [
fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/StructureDefinition/structuredefinition-wg>     ] ;
fhir:value [
a fhir:Code ;
fhir:v "cg"     ]
  ] [
fhir:url [
fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status>     ] ;
fhir:value [
a fhir:Code ;
fhir:v "informative"     ]
  ] [
fhir:url [
fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm>     ] ;
fhir:value [
a fhir:Integer ;
fhir:v 0     ]
  ] ) ; # 
  fhir:url [
fhir:v "http://hl7.org/fhir/uv/cg-incubator/CodeSystem/moleculardefinition-topology"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/uv/cg-incubator/CodeSystem/moleculardefinition-topology>
  ] ; # 
  fhir:identifier ( [
fhir:system [
fhir:v "urn:ietf:rfc:3986"^^xsd:anyURI ;
fhir:l <urn:ietf:rfc:3986>     ] ;
fhir:value [ fhir:v "urn:oid:2.16.840.1.113883.4.642.4.3003" ]
  ] ) ; # 
  fhir:version [ fhir:v "0.1.0-ci-build"] ; # 
  fhir:name [ fhir:v "MolecularDefinitionTopology"] ; # 
  fhir:title [ fhir:v "Molecular Definition Topology CodeSystem"] ; # 
  fhir:status [ fhir:v "draft"] ; # 
  fhir:experimental [ fhir:v true] ; # 
  fhir:date [ fhir:v "2026-03-23"^^xsd:date] ; # 
  fhir:publisher [ fhir:v "HL7 International / Clinical Genomics"] ; # 
  fhir:contact ( [
fhir:name [ fhir:v "HL7 International / Clinical Genomics" ] ;
    ( fhir:telecom [
fhir:system [ fhir:v "url" ] ;
fhir:value [ fhir:v "http://www.hl7.org/Special/committees/clingenomics" ]     ] [
fhir:system [ fhir:v "email" ] ;
fhir:value [ fhir:v "clingenomics@lists.hl7.org" ]     ] )
  ] ) ; # 
  fhir:description [ fhir:v "The structural topology of a molecular entity as defined by the MolecularDefinition resource. Includes linear, circular, linear-discontiguous (gapped), and branched forms."] ; # 
  fhir:jurisdiction ( [
    ( fhir:coding [
fhir:system [
fhir:v "http://unstats.un.org/unsd/methods/m49/m49.htm"^^xsd:anyURI ;
fhir:l <http://unstats.un.org/unsd/methods/m49/m49.htm>       ] ;
fhir:code [ fhir:v "001" ] ;
fhir:display [ fhir:v "World" ]     ] )
  ] ) ; # 
  fhir:caseSensitive [ fhir:v true] ; # 
  fhir:valueSet [
fhir:v "http://hl7.org/fhir/uv/cg-incubator/ValueSet/moleculardefinition-topology"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/uv/cg-incubator/ValueSet/moleculardefinition-topology>
  ] ; # 
  fhir:content [ fhir:v "complete"] ; # 
  fhir:concept ( [
fhir:code [ fhir:v "linear" ] ;
fhir:display [ fhir:v "Linear" ] ;
fhir:definition [ fhir:v "Linear, contiguous sequence (e.g., a chromosome segment, allele, or mRNA)." ]
  ] [
fhir:code [ fhir:v "linear-discontiguous" ] ;
fhir:display [ fhir:v "Linear discontiguous" ] ;
fhir:definition [ fhir:v "Linear sequence with gaps; the molecule consists of multiple non-contiguous segments on a linear axis (e.g., a haplotype spanning multiple exons)." ]
  ] [
fhir:code [ fhir:v "circular" ] ;
fhir:display [ fhir:v "Circular" ] ;
fhir:definition [ fhir:v "Circular, contiguous sequence with no free ends (e.g., a plasmid, mitochondrial genome, or circular RNA)." ]
  ] [
fhir:code [ fhir:v "branched" ] ;
fhir:display [ fhir:v "Branched" ] ;
fhir:definition [ fhir:v "Branched molecular structure (e.g., carbohydrate modifications or branched RNA)." ]
  ] ) . #