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

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="identity-assuranceLevel"/>
  <meta>
    <lastUpdated value="2026-04-01T17:59:15.240+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-ballot4"/>
  <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>