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Source1

{
  "resourceType": "CodeSystem",
  "id": "reasonForStudy",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
      "valueString": "2.9"
    },
    {
      "url": "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
      "valueString": "generate correct history somehow"
    },
    {
      "url": "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
      "valueString": "0951"
    }
  ],
  "url": "http://terminology.hl7.org/v2plusvocab/CodeSystem/reasonForStudy",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.18.451"
    }
  ],
  "version": "1.0.0",
  "name": "ReasonForStudy",
  "title": "Reason for Study (2.9 - 1.0.0)",
  "status": "active",
  "experimental": true,
  "date": "2026-01-27T19:46:43+00:00",
  "publisher": "HL7/FO",
  "contact": [
    {
      "name": "HL7/FO",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org"
        }
      ]
    }
  ],
  "description": "HL7-defined code system of concepts that provide additional information to the universal service identifier on why a test, study or review was ordered. Initial values are to support the IHE LCC LAB-7 transaction.",
  "copyright": "HL7 Inc., 2026",
  "caseSensitive": true,
  "compositional": false,
  "content": "complete",
  "property": [
    {
      "code": "versionIntroduced",
      "uri": "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced",
      "description": "version when was this code introduced",
      "type": "string"
    },
    {
      "code": "versionDeprecated",
      "uri": "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated",
      "description": "version when was this code deprecated",
      "type": "string"
    },
    {
      "code": "status",
      "uri": "http://hl7.org/fhir/concept-properties#status",
      "description": "A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired",
      "type": "code"
    },
    {
      "code": "comment",
      "uri": "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment",
      "description": "A string that provides additional detail pertinent to the use or understanding of the concept",
      "type": "string"
    },
    {
      "code": "usage",
      "uri": "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage",
      "description": "usage notes for this code",
      "type": "string"
    },
    {
      "code": "modified",
      "uri": "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified",
      "description": "date of last modification",
      "type": "dateTime"
    }
  ],
  "concept": [
    {
      "code": "BS",
      "display": "Bank residual specimen",
      "definition": "Requests that the specimen should be stored long term",
      "property": [
        {
          "code": "modified",
          "valueDateTime": "2022-08-25"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    },
    {
      "code": "CR",
      "display": "Confirm results value",
      "definition": "Requests verification of previously reported results",
      "property": [
        {
          "code": "usage",
          "valueString": "Used to indicate why review is requested"
        },
        {
          "code": "modified",
          "valueDateTime": "2022-08-25"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    },
    {
      "code": "FP",
      "display": "Store residual specimen pending follow up",
      "definition": "Requests that the specimen should be saved for a short duration until follow up is completed",
      "property": [
        {
          "code": "comment",
          "valueString": "Provides instructions for Specimen storage"
        },
        {
          "code": "modified",
          "valueDateTime": "2022-08-25"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    },
    {
      "code": "IN",
      "display": "Interpret results",
      "definition": "Requests interpretation of previously reported results",
      "property": [
        {
          "code": "usage",
          "valueString": "Used to indicate why review is requested"
        },
        {
          "code": "modified",
          "valueDateTime": "2022-08-25"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    },
    {
      "code": "IR",
      "display": "Review clinically inconsistent results",
      "definition": "Requests comparison of previously reported results amongst themselves",
      "property": [
        {
          "code": "usage",
          "valueString": "Used to indicate why review is requested"
        },
        {
          "code": "modified",
          "valueDateTime": "2022-08-25"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    },
    {
      "code": "IT",
      "display": "Incorrect test performed",
      "definition": "For process improvement work this code can be used to identify when an incorrect test was performed for the target order",
      "property": [
        {
          "code": "usage",
          "valueString": "Used to indicate why review is requested"
        },
        {
          "code": "modified",
          "valueDateTime": "2022-08-25"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    },
    {
      "code": "OP",
      "display": "Test ordering problem",
      "definition": "For process improvement work this code can be used to identify orders and the respective results, where problems occurred during ordering",
      "property": [
        {
          "code": "usage",
          "valueString": "Used to indicate why review is requested"
        },
        {
          "code": "modified",
          "valueDateTime": "2022-08-25"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    },
    {
      "code": "PI",
      "display": "Patient identification problem",
      "definition": "For process improvement work this code can be used to identify when a patient identification issue has occurred on the target order",
      "property": [
        {
          "code": "usage",
          "valueString": "Used to indicate why review is requested"
        },
        {
          "code": "modified",
          "valueDateTime": "2022-08-25"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    },
    {
      "code": "SI",
      "display": "Suspected interference",
      "definition": "Requests verification of previously reported results due to suspected interference",
      "property": [
        {
          "code": "usage",
          "valueString": "Used to indicate why review is requested"
        },
        {
          "code": "modified",
          "valueDateTime": "2022-08-25"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    },
    {
      "code": "SP",
      "display": "Sampling problem",
      "definition": "For process improvement work this code can be used to identify orders, where problems occurred during sample collection",
      "property": [
        {
          "code": "usage",
          "valueString": "Used to indicate why review is requested"
        },
        {
          "code": "status",
          "valueCode": "retired"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    },
    {
      "code": "TP",
      "display": "Specimen transport problem",
      "definition": "For process improvement work this code can be used to identify orders, where problems occurred during sample transport",
      "property": [
        {
          "code": "usage",
          "valueString": "Used to indicate why review is requested"
        },
        {
          "code": "modified",
          "valueDateTime": "2022-08-25"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    },
    {
      "code": "TT",
      "display": "Turnaround time problem",
      "definition": "For process improvement work this code can be used to identify results with excessive reporting delay",
      "property": [
        {
          "code": "usage",
          "valueString": "Used to indicate why review is requested"
        },
        {
          "code": "modified",
          "valueDateTime": "2022-08-25"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    },
    {
      "code": "XR",
      "display": "Incorrect results",
      "definition": "For process improvement work this code can be used to identify when incorrect result were reported for the target order",
      "property": [
        {
          "code": "usage",
          "valueString": "Used to indicate why review is requested"
        },
        {
          "code": "modified",
          "valueDateTime": "2022-08-25"
        },
        {
          "code": "versionIntroduced",
          "valueString": "2.9"
        }
      ]
    }
  ]
}