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

ValueSet: Molecular Definition Topology (Experimental)

Official URL: http://hl7.org/fhir/uv/cg-incubator/ValueSet/moleculardefinition-topology Version: 0.1.0-ci-build
Standards status: Informative Draft as of 2026-03-13 Maturity Level: 0 Computable Name: MolecularDefinitionTopology
Other Identifiers: OID:2.16.840.1.113883.4.642.3.3003

The structural topology of a molecular entity as defined by the MolecularDefinition resource. Includes linear, circular, linear-discontiguous (gapped), and branched forms.

References

Logical Definition (CLD)

Last updated: 2026-03-13 00:00:00+0000

Profile: Shareable ValueSet

 

Expansion

Expansion performed internally based on codesystem Molecular Definition Topology CodeSystem v0.1.0-ci-build (CodeSystem)

This value set contains 4 concepts

SystemCodeDisplay (en)DefinitionJSONXML
http://hl7.org/fhir/uv/cg-incubator/CodeSystem/moleculardefinition-topology  linearLinearLinear, contiguous sequence (e.g., a chromosome segment, allele, or mRNA).
http://hl7.org/fhir/uv/cg-incubator/CodeSystem/moleculardefinition-topology  linear-discontiguousLinear discontiguousLinear sequence with gaps; the molecule consists of multiple non-contiguous segments on a linear axis (e.g., a haplotype spanning multiple exons).
http://hl7.org/fhir/uv/cg-incubator/CodeSystem/moleculardefinition-topology  circularCircularCircular, contiguous sequence with no free ends (e.g., a plasmid, mitochondrial genome, or circular RNA).
http://hl7.org/fhir/uv/cg-incubator/CodeSystem/moleculardefinition-topology  branchedBranchedBranched molecular structure (e.g., carbohydrate modifications or branched RNA).

Description of the above table(s).