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4.3.2.301 CodeSystem http://hl7.org/fhir/substance-relationship-type

Responsible Owner: Biomedical Research and Regulation icon Work Group Informative Use Context: Country: World, Not Intended for Production use
Official URL: http://hl7.org/fhir/substance-relationship-type Version: 6.0.0-ballot4
active as of 2021-01-04 Computable Name: SubstanceRelationshipTypeExample
Flags: Experimental, CaseSensitive, Complete. All codes ValueSet: Substance Relationship Type OID: 2.16.840.1.113883.4.642.4.2088

This Code system is used in the following FHIR core-defined or referenced value sets:

4.3.2.301.1 Definition

The relationship between two substance types.

4.3.2.301.2 Content

Generated Narrative: CodeSystem substance-relationship-type

Last updated: 2026-06-24T23:10:57.715+11:00

This case-sensitive code system http://hl7.org/fhir/substance-relationship-type defines the following codes:

CodeDisplayDefinitionCopy
Salt Salt to parent btn btn
ActiveMoiety Active moiety btn btn
StartingMaterial Starting material for btn btn
Polymorph Polymorph of btn btn
Impurity Impurity of btn btn
TherapeuticTarget Therapeutic target The substance acts therapeutically on the target. btn btn
MetabolicTarget Metabolic target The substance is metabolised by or interacts with the target as part of metabolism. btn btn
ToxicityTarget Toxicity target The substance interacts with the target in a way that contributes to toxicity. btn btn
TargetUnknownEffect Target (unknown effect) The substance is known to interact with the target, but the effect is not characterised. btn btn
GeneOfOrigin Gene of origin The substance was derived from this gene (used e.g. for recombinant proteins and nucleic acid products). btn btn

 

See the full registry of code systems defined as part of FHIR.

Explanation of the columns that may appear on this page:

Level A few code lists that FHIR defines are hierarchical - each code is assigned a level. See Code System for further information.
Source The source of the definition of the code (when the value set draws in codes defined elsewhere)
Code The code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
Display The display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
Definition An explanation of the meaning of the concept
Comments Additional notes about how to use the code