Definition for Code System IdentityAssuranceLevel SystemIdentityAssuranceLevel

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


  
  
    
  
  
    
    
      
      
        The level of confidence that this link represents the same actual person, based on NIST
           Authentication Levels.

      
      
      
        
          
            
          
          
            
          
          
            
          
        
        
          level1
            
          
          
          
        
        
          level2
            
          
          
          
        
        
          level3
            
          
          
          
        
        
          level4
            
          
          
          
        
      
    
  
  
    
  
  
    
  
  
    
  
  
  
    
    
  
  
  
  
  
  
  
  
  
    
      
      
    
    
      
      
    
  
  The level of confidence that this link represents the same actual person, based on NIST
   Authentication Levels.
  
  
  
  
    
    
    
  
  
    
    
    
  
  
    
    
    
  
  
    
    
    
  

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="identity-assuranceLevel"/> 
  <meta> 
    <lastUpdated value="2025-11-20T23:56:49.898+00:00"/> 
  </meta> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p class="res-header-id">
        <b> Generated Narrative: CodeSystem identity-assuranceLevel</b> 
      </p> 
      <a name="identity-assuranceLevel"> </a> 
      <a name="hcidentity-assuranceLevel"> </a> 
      <p> This case-sensitive code system 
        <code> http://hl7.org/fhir/identity-assuranceLevel</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">level1
            <a name="identity-assuranceLevel-level1"> </a> 
          </td> 
          <td> Level 1</td> 
          <td> Little or no confidence in the asserted identity's accuracy.</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">level2
            <a name="identity-assuranceLevel-level2"> </a> 
          </td> 
          <td> Level 2</td> 
          <td> Some confidence in the asserted identity's accuracy.</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">level3
            <a name="identity-assuranceLevel-level3"> </a> 
          </td> 
          <td> Level 3</td> 
          <td> High confidence in the asserted identity's accuracy.</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">level4
            <a name="identity-assuranceLevel-level4"> </a> 
          </td> 
          <td> Level 4</td> 
          <td> Very high confidence in the asserted identity's accuracy.</td> 
        </tr> 
      </table> 
    </div> 
  </text> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="pa"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="normative"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="4"/> 
  </extension> 
  <url value="http://hl7.org/fhir/identity-assuranceLevel"/> 
  <identifier> 
    <system value="urn:ietf:rfc:3986"/> 
    <value value="urn:oid:2.16.840.1.113883.4.642.4.657"/> 
  </identifier> 
  <identifier> 
    <use value="old"/> 
    <system value="urn:ietf:rfc:3986"/> 
    <value value="urn:oid:2.16.840.1.113883.4.642.1.641"/> 
  </identifier> 
  <identifier> 
    <use value="old"/> 
    <system value="urn:ietf:rfc:3986"/> 
    <value value="urn:oid:2.16.840.1.113883.4.642.2.342"/> 
  </identifier> 
  <version value="6.0.0-ballot3"/> 
  <name value="IdentityAssuranceLevel"/> 
  <title value="Identity Assurance Level"/> 
  <status value="active"/> 
  <experimental value="false"/> 
  <date value="2021-01-05T10:01:24+11:00"/> 
  <publisher value="HL7 (FHIR Project)"/> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://hl7.org/fhir"/> 
    </telecom> 
    <telecom> 
      <system value="email"/> 
      <value value="fhir@lists.hl7.org"/> 
    </telecom> 
  </contact> 
  <description value="The level of confidence that this link represents the same actual person, based
   on NIST Authentication Levels."/> 
  <jurisdiction>     <coding>       <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>       <code value="001"/>       <display value="World"/>     </coding>   </jurisdiction>   <caseSensitive value="true"/>   <valueSet value="http://hl7.org/fhir/ValueSet/identity-assuranceLevel"/>   <content value="complete"/>   <concept>     <code value="level1"/>     <display value="Level 1"/>     <definition value="Little or no confidence in the asserted identity's accuracy."/>   </concept>   <concept>     <code value="level2"/>     <display value="Level 2"/>     <definition value="Some confidence in the asserted identity's accuracy."/>   </concept>   <concept>     <code value="level3"/>     <display value="Level 3"/>     <definition value="High confidence in the asserted identity's accuracy."/>   </concept>   <concept>     <code value="level4"/>     <display value="Level 4"/>     <definition value="Very high confidence in the asserted identity's accuracy."/>   </concept> 


</

CodeSystem

>