http://terminology.hl7.org/CodeSystem/referencerange-meaning|4.0.1

{
  "description" : "This value set defines a set of codes that can be used to indicate the meaning/use of a reference range for a particular target population.",
  "compose" : null,
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "date" : null,
  "meta" : {
    "profile" : [ "http://hl7.org/fhir/StructureDefinition/shareablecodesystem" ],
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"
  },
  "publisher" : "FHIR Project team",
  "content" : "complete",
  "property" : [ {
    "code" : "abstract",
    "type" : "boolean",
    "description" : "True if an element is considered 'abstract' - in otherwords, the code is not for use as a real concept"
  } ],
  "name" : "ObservationReferenceRangeMeaningCodes",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "Observation Reference Range Meaning Codes",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "oo"
  } ],
  "status" : "draft",
  "hierarchyMeaning" : "is-a",
  "id" : "0b99af78-1757-5afb-852d-934c92b7df75",
  "valueSet" : "http://hl7.org/fhir/ValueSet/referencerange-meaning",
  "url" : "http://terminology.hl7.org/CodeSystem/referencerange-meaning",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.1124",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "code" : "type",
    "concept" : [ {
      "code" : "normal",
      "display" : "Normal Range",
      "definition" : "Values expected for a normal member of the relevant control population being measured. Typically each results producer such as a laboratory has specific normal ranges and they are usually defined as within two standard deviations from the mean and account for 95.45% of this population."
    }, {
      "code" : "recommended",
      "display" : "Recommended Range",
      "definition" : "The range that is recommended by a relevant professional body."
    }, {
      "code" : "treatment",
      "display" : "Treatment Range",
      "definition" : "The range at which treatment would/should be considered."
    }, {
      "code" : "therapeutic",
      "concept" : [ {
        "code" : "pre",
        "display" : "Pre Therapeutic Desired Level",
        "definition" : "The optimal range for best therapeutic outcomes for a specimen taken immediately before administration."
      }, {
        "code" : "post",
        "display" : "Post Therapeutic Desired Level",
        "definition" : "The optimal range for best therapeutic outcomes for a specimen taken immediately after administration."
      } ],
      "display" : "Therapeutic Desired Level",
      "definition" : "The optimal range for best therapeutic outcomes."
    } ],
    "display" : "Type",
    "property" : [ {
      "code" : "abstract",
      "valueBoolean" : true
    } ],
    "definition" : "General types of reference range."
  }, {
    "code" : "endocrine",
    "concept" : [ {
      "code" : "pre-puberty",
      "display" : "Pre-Puberty",
      "definition" : "An expected range in an individual prior to puberty."
    }, {
      "code" : "follicular",
      "display" : "Follicular Stage",
      "definition" : "An expected range in an individual during the follicular stage of the cycle."
    }, {
      "code" : "midcycle",
      "display" : "MidCycle",
      "definition" : "An expected range in an individual during the midcycle stage of the cycle."
    }, {
      "code" : "luteal",
      "display" : "Luteal",
      "definition" : "An expected range in an individual during the luteal stage of the cycle."
    }, {
      "code" : "postmenopausal",
      "display" : "Post-Menopause",
      "definition" : "An expected range in an individual post-menopause."
    } ],
    "display" : "Endocrine",
    "property" : [ {
      "code" : "abstract",
      "valueBoolean" : true
    } ],
    "definition" : "Endocrine related states that change the expected value."
  } ],
  "caseSensitive" : true,
  "version" : "4.0.1",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org/fhir",
      "system" : "url"
    } ]
  } ]
}