This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions
Definition for Code SystemSubstanceInteractionTypeExample
{
"resourceType" : "CodeSystem",
"id" : "substance-interaction-type",
"meta" : {
"lastUpdated" : "2026-06-23T16:20:19.822+00:00"
},
"text" : {
"status" : "generated",
"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem substance-interaction-type</b></p><a name=\"substance-interaction-type\"> </a><a name=\"hcsubstance-interaction-type\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/substance-interaction-type</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\">binding<a name=\"substance-interaction-type-binding\"> </a></td><td>Binding</td><td>The substance binds to its target.</td></tr><tr><td style=\"white-space:nowrap\">inhibition<a name=\"substance-interaction-type-inhibition\"> </a></td><td>Inhibition</td><td>The substance inhibits the activity of its target.</td></tr><tr><td style=\"white-space:nowrap\">activation<a name=\"substance-interaction-type-activation\"> </a></td><td>Activation</td><td>The substance activates its target.</td></tr><tr><td style=\"white-space:nowrap\">agonist<a name=\"substance-interaction-type-agonist\"> </a></td><td>Agonist</td><td>The substance acts as an agonist of its target.</td></tr><tr><td style=\"white-space:nowrap\">antagonist<a name=\"substance-interaction-type-antagonist\"> </a></td><td>Antagonist</td><td>The substance acts as an antagonist of its target.</td></tr><tr><td style=\"white-space:nowrap\">substrate<a name=\"substance-interaction-type-substrate\"> </a></td><td>Substrate</td><td>The substance is a substrate of its target.</td></tr><tr><td style=\"white-space:nowrap\">allosteric-modulator<a name=\"substance-interaction-type-allosteric-modulator\"> </a></td><td>Allosteric modulator</td><td>The substance acts as an allosteric modulator of its target.</td></tr></table></div>"
},
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode" : "brr"
},
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueCode" : "informative"
},
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
"valueInteger" : 1
}],
"url" : "http://hl7.org/fhir/substance-interaction-type",
"version" : "6.0.0-ballot4",
"name" : "SubstanceInteractionTypeExample",
"title" : "Substance Interaction Type",
"status" : "active",
"experimental" : true,
"date" : "2026-06-23",
"publisher" : "HL7 (FHIR Project)",
"contact" : [{
"telecom" : [{
"system" : "url",
"value" : "http://hl7.org/fhir"
},
{
"system" : "email",
"value" : "fhir@lists.hl7.org"
}]
}],
"description" : "The kind of interaction between a substance and its target, e.g. binding, inhibition, agonism.",
"jurisdiction" : [{
"coding" : [{
"system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
"code" : "001",
"display" : "World"
}]
}],
"caseSensitive" : true,
"valueSet" : "http://hl7.org/fhir/ValueSet/substance-interaction-type",
"content" : "complete",
"concept" : [{
"code" : "binding",
"display" : "Binding",
"definition" : "The substance binds to its target."
},
{
"code" : "inhibition",
"display" : "Inhibition",
"definition" : "The substance inhibits the activity of its target."
},
{
"code" : "activation",
"display" : "Activation",
"definition" : "The substance activates its target."
},
{
"code" : "agonist",
"display" : "Agonist",
"definition" : "The substance acts as an agonist of its target."
},
{
"code" : "antagonist",
"display" : "Antagonist",
"definition" : "The substance acts as an antagonist of its target."
},
{
"code" : "substrate",
"display" : "Substrate",
"definition" : "The substance is a substrate of its target."
},
{
"code" : "allosteric-modulator",
"display" : "Allosteric modulator",
"definition" : "The substance acts as an allosteric modulator of its target."
}]
}
Usage note: every effort has been made to ensure that the
examples are correct and useful, but they are not a normative part
of the specification.