---
type: "codesystem"
title: "Concept Subsumption Outcome code system"
codesystem: "concept-subsumption-outcome"
---
# Concept Subsumption Outcome code system

- **Official URL**: http://hl7.org/fhir/concept-subsumption-outcome
- **Version**: 6.0.0
- **Name**: ConceptSubsumptionOutcome
- **Title**: Concept Subsumption Outcome code system
- **Publisher**: HL7 International / Terminology Infrastructure
- **Description**: Codes indicating the results of a subsumption check between codes. In the context of this CodeSystem, subsumption is defined in the FHIR specification under Resource Types - CodeSystem.
- **Case Sensitive**: true
- **Content**: complete

## Concepts

| Code | Display | Definition |
| --- | --- | --- |
| equivalent | Equivalent | A equivalent to B if A subsumes B and B subsumes A |
| subsumes | Subsumes | A subsumes B if there is a subsumption relationship between A and B |
| subsumed-by | Subsumed-By | A subsumed by B if B subsumes A |
| not-subsumed | Not-Subsumed | Neither A subsumes B nor B subsumes A |

## CodeSystem XML



```xml
<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="concept-subsumption-outcome"/>
  <meta>
    
  </meta>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="vocab"/>
  </extension>
  <url value="http://hl7.org/fhir/concept-subsumption-outcome"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.1239"/>
  </identifier>
  <version value="6.0.0"/>
  <name value="ConceptSubsumptionOutcome"/>
  <title value="Concept Subsumption Outcome code system"/>
  <experimental value="false"/>
  <publisher value="HL7 International / Terminology Infrastructure"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
  </contact>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/Vocab/index.cfm"/>
    </telecom>
  </contact>
  <description value="Codes indicating the results of a subsumption check between codes. In the context of this CodeSystem, subsumption is defined in the FHIR specification under Resource Types - CodeSystem."/>
  <caseSensitive value="true"/>
  <content value="complete"/>
  <concept>
    <code value="equivalent"/>
    <display value="Equivalent"/>
    <definition value="A equivalent to B if A subsumes B and B subsumes A"/>
  </concept>
  <concept>
    <code value="subsumes"/>
    <display value="Subsumes"/>
    <definition value="A subsumes B if there is a subsumption relationship between A and B"/>
  </concept>
  <concept>
    <code value="subsumed-by"/>
    <display value="Subsumed-By"/>
    <definition value="A subsumed by B if B subsumes A"/>
  </concept>
  <concept>
    <code value="not-subsumed"/>
    <display value="Not-Subsumed"/>
    <definition value="Neither A subsumes B nor B subsumes A"/>
  </concept>
</CodeSystem>
```