Interoperable Digital Identity and Patient Matching, published by HL7 International / Patient Administration. This guide is not an authorized publication; it is the continuous build for version 3.0.0-current built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-identity-matching-ig/ and changes regularly. See the Directory of published versions

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: FAST Authenticator Assurance Level (AAL) Value Set

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{
  "resourceType" : "ValueSet",
  "id" : "fast-identity-authenticator-assurance-level",
  "language" : "en",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: ValueSet fast-identity-authenticator-assurance-level</b></p><a name=\"fast-identity-authenticator-assurance-level\"> </a><a name=\"hcfast-identity-authenticator-assurance-level\"> </a><ul><li>Include these codes as defined in <a href=\"CodeSystem-fast-identity-assurance-level.html\"><code>http://hl7.org/fhir/us/identity-matching/CodeSystem/fast-identity-assurance-level</code></a><span title=\"Version is not explicitly stated, which means it is fixed to the version provided in this specification\"> version &#x1F4E6;3.0.0-current</span><table class=\"none\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td></tr><tr><td><a href=\"CodeSystem-fast-identity-assurance-level.html#fast-identity-assurance-level-AAL1\">AAL1</a></td><td style=\"color: #cccccc\">Authenticator Assurance Level 1</td></tr><tr><td><a href=\"CodeSystem-fast-identity-assurance-level.html#fast-identity-assurance-level-AAL2\">AAL2</a></td><td style=\"color: #cccccc\">Authenticator Assurance Level 2</td></tr><tr><td><a href=\"CodeSystem-fast-identity-assurance-level.html#fast-identity-assurance-level-AAL3\">AAL3</a></td><td style=\"color: #cccccc\">Authenticator Assurance Level 3</td></tr></table></li></ul></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "pa"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger" : 2,
      "_valueInteger" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org/fhir/us/identity-matching/ImplementationGuide/hl7.fhir.us.identity-matching"
          }
        ]
      }
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode" : "trial-use",
      "_valueCode" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org/fhir/us/identity-matching/ImplementationGuide/hl7.fhir.us.identity-matching"
          }
        ]
      }
    }
  ],
  "url" : "http://hl7.org/fhir/us/identity-matching/ValueSet/fast-identity-authenticator-assurance-level",
  "identifier" : [
    {
      "system" : "urn:ietf:rfc:3986",
      "value" : "urn:oid:2.16.840.1.113883.4.642.40.81.48.2"
    }
  ],
  "version" : "3.0.0-current",
  "name" : "FASTAuthenticatorAssuranceLevelVS",
  "title" : "FAST Authenticator Assurance Level (AAL) Value Set",
  "status" : "active",
  "experimental" : false,
  "date" : "2026-08-20T16:01:25+00:00",
  "publisher" : "HL7 International / Patient Administration",
  "contact" : [
    {
      "name" : "HL7 International / Patient Administration",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/pafm"
        }
      ]
    }
  ],
  "description" : "Permitted NIST 800-63-3 Authenticator Assurance Levels.",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "urn:iso:std:iso:3166",
          "code" : "US"
        }
      ]
    }
  ],
  "compose" : {
    "include" : [
      {
        "system" : "http://hl7.org/fhir/us/identity-matching/CodeSystem/fast-identity-assurance-level",
        "concept" : [
          {
            "code" : "AAL1"
          },
          {
            "code" : "AAL2"
          },
          {
            "code" : "AAL3"
          }
        ]
      }
    ]
  }
}