v3 Code System ActExposureLevelCode

{
  "description" : " A qualitative measure of the degree of exposure to the causative agent.  This includes concepts such as \"low\", \"medium\" and \"high\".  This quantifies how the quantity that was available to be administered to the target differs from typical or background levels of the substance.",
  "date" : "2018-08-12T00:00:00+10:00",
  "meta" : {
    "lastUpdated" : "2018-08-12T00:00:00.000+10:00"
  },
  "publisher" : "HL7, Inc",
  "content" : "complete",
  "property" : [ {
    "description" : "The concept is not intended to be chosen by the user",
    "type" : "boolean",
    "code" : "notSelectable",
    "uri" : "http://hl7.org/fhir/concept-properties#notSelectable"
  }, {
    "description" : "The concept identified is a child of the concept",
    "type" : "code",
    "code" : "child",
    "uri" : "http://hl7.org/fhir/concept-properties#child"
  }, {
    "description" : "The concept identified is a parent of the concept",
    "type" : "code",
    "code" : "parent",
    "uri" : "http://hl7.org/fhir/concept-properties#parent"
  } ],
  "name" : "v3.ActExposureLevelCode",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "v3 Code System ActExposureLevelCode",
  "extension" : [ {
    "valueCode" : "external",
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 0
  }, {
    "extension" : [ {
      "valueString" : "concept",
      "url" : "path"
    }, {
      "url" : "count",
      "valueInteger" : 1
    } ],
    "url" : "http://health-samurai.io/extensions/excised-data"
  }, {
    "url" : "http://health-samurai.io/extensions/source",
    "valueCode" : "db"
  } ],
  "status" : "active",
  "hierarchyMeaning" : "is-a",
  "id" : "c4c649d7-c0ce-4464-9677-f4f1e8884900",
  "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActExposureLevelCode",
  "url" : "http://terminology.hl7.org/CodeSystem/v3-ActExposureLevelCode",
  "identifier" : [ {
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.5.1114"
  } ],
  "caseSensitive" : true,
  "version" : "2018-08-12",
  "contact" : [ {
    "telecom" : [ {
      "system" : "url",
      "value" : "http://hl7.org"
    } ]
  } ]
}