Example of a very simple personal characteristic observation Definition for Code SystemAccountStatus

{
  "resourceType" : "CodeSystem",
  "id" : "account-status",
  "meta" : {
    "lastUpdated" : "2022-12-14T07:12:54.019+11:00",
    "profile" : ["http://hl7.org/fhir/StructureDefinition/shareablecodesystem"]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p>This code system <code>http://hl7.org/fhir/account-status</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\">active<a name=\"account-status-active\"> </a></td><td>Active</td><td>This account is active and may be used.</td></tr><tr><td style=\"white-space:nowrap\">inactive<a name=\"account-status-inactive\"> </a></td><td>Inactive</td><td>This account is inactive and should not be used to track financial information.</td></tr><tr><td style=\"white-space:nowrap\">entered-in-error<a name=\"account-status-entered-in-error\"> </a></td><td>Entered in error</td><td>This instance should not have been part of this patient's medical record.</td></tr><tr><td style=\"white-space:nowrap\">on-hold<a name=\"account-status-on-hold\"> </a></td><td>On Hold</td><td>This account is on hold.</td></tr><tr><td style=\"white-space:nowrap\">unknown<a name=\"account-status-unknown\"> </a></td><td>Unknown</td><td>The account status is unknown.</td></tr></table></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "pa"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 2
  }],
  "url" : "http://hl7.org/fhir/account-status",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.727"
  },
  {
    "use" : "old",
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.1.715"
  },
  {
    "use" : "old",
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.2.362"
  }],
  "version" : "5.0.0-snapshot3",
  "name" : "AccountStatus",
  "title" : "AccountStatus",
  "status" : "active",
  "experimental" : false,
  "date" : "2021-01-05T10:01:24+11:00",
  "publisher" : "HL7 (FHIR Project)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    },
    {
      "system" : "email",
      "value" : "fhir@lists.hl7.org"
    }]
  }],
  "description" : "Indicates whether the account is available to be used.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001",
      "display" : "World"
    }]
  }],
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org/fhir/ValueSet/account-status",
  "content" : "complete",
  "concept" : [{
    "code" : "active",
    "display" : "Active",
    "definition" : "This account is active and may be used."
  },
  {
    "code" : "inactive",
    "display" : "Inactive",
    "definition" : "This account is inactive and should not be used to track financial information."
  },
  {
    "code" : "entered-in-error",
    "display" : "Entered in error",
    "definition" : "This instance should not have been part of this patient's medical record."
  },
  {
    "code" : "on-hold",
    "display" : "On Hold",
    "definition" : "This account is on hold."
  },
  {
    "code" : "unknown",
    "display" : "Unknown",
    "definition" : "The account status is unknown."
  }]
}