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Source1

{
  "resourceType": "CodeSystem",
  "id": "fast-identity-assurance-level",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "pa"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "informative",
      "_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/CodeSystem/fast-identity-assurance-level",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.40.81.16.2"
    }
  ],
  "version": "3.0.0-current",
  "name": "FASTAssuranceLevelCS",
  "title": "FAST Identity Assurance Level Code System",
  "status": "active",
  "experimental": true,
  "date": "2026-07-30T20:04:43+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": "NIST SP 800-63-3 assurance levels used to qualify a CSP-issued identity.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "urn:iso:std:iso:3166",
          "code": "US"
        }
      ]
    }
  ],
  "caseSensitive": true,
  "content": "complete",
  "count": 9,
  "concept": [
    {
      "code": "IAL1",
      "display": "Identity Assurance Level 1"
    },
    {
      "code": "IAL2",
      "display": "Identity Assurance Level 2"
    },
    {
      "code": "IAL3",
      "display": "Identity Assurance Level 3"
    },
    {
      "code": "AAL1",
      "display": "Authenticator Assurance Level 1"
    },
    {
      "code": "AAL2",
      "display": "Authenticator Assurance Level 2"
    },
    {
      "code": "AAL3",
      "display": "Authenticator Assurance Level 3"
    },
    {
      "code": "FAL1",
      "display": "Federation Assurance Level 1"
    },
    {
      "code": "FAL2",
      "display": "Federation Assurance Level 2"
    },
    {
      "code": "FAL3",
      "display": "Federation Assurance Level 3"
    }
  ]
}