{
  "description": null,
  "_filename": "mii-pr-icu-score-rass.json",
  "package_name": "de.medizininformatikinitiative.kerndatensatz.icu",
  "date": "2025-12-15",
  "derivation": "constraint",
  "publisher": "MII KDS ICU",
  "fhirVersion": "4.0.1",
  "name": "MII_PR_ICU_Score_RASS",
  "abstract": false,
  "type": "Observation",
  "experimental": "true",
  "resourceType": "StructureDefinition",
  "title": "MII PR ICU Score RASS",
  "package_version": "2026.0.0",
  "status": "draft",
  "id": "9ad87cb0-cf49-486c-9830-bd96f9a15dca",
  "kind": "resource",
  "url": "https://example.org/fhir/StructureDefinition/mii-pr-icu-score-rass",
  "version": "2026.0.0",
  "differential": {
    "element": [ {
      "id": "Observation",
      "path": "Observation",
      "short": "RASS score (SNOMED observation type; LOINC answers)"
    }, {
      "id": "Observation.status",
      "min": 1,
      "path": "Observation.status"
    }, {
      "id": "Observation.category",
      "min": 1,
      "path": "Observation.category",
      "patternCodeableConcept": {
        "coding": [ {
          "code": "survey",
          "system": "http://terminology.hl7.org/CodeSystem/observation-category"
        } ]
      }
    }, {
      "id": "Observation.code",
      "min": 1,
      "path": "Observation.code",
      "comment": "Instrument/Observation type is represented using SNOMED CT observable entity. Answer options are represented using LOINC Answer List LL6536-8.",
      "patternCodeableConcept": {
        "coding": [ {
          "code": "1345050000",
          "system": "http://snomed.info/sct",
          "display": "Richmond Agitation Sedation Scale score (observable entity)"
        } ]
      }
    }, {
      "id": "Observation.subject",
      "min": 1,
      "path": "Observation.subject"
    }, {
      "id": "Observation.effective[x]",
      "min": 1,
      "path": "Observation.effective[x]"
    }, {
      "id": "Observation.valueCodeableConcept",
      "min": 1,
      "path": "Observation.valueCodeableConcept",
      "binding": {
        "strength": "required",
        "valueSet": "http://loinc.org/vs/LL6536-8"
      },
      "comment": "Answer is a LOINC LA-code from the RASS Answer List (LL6536-8)."
    }, {
      "id": "Observation.valueCodeableConcept.coding",
      "path": "Observation.valueCodeableConcept.coding",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "system",
          "type": "value"
        } ]
      }
    }, {
      "id": "Observation.valueCodeableConcept.coding:loinc",
      "max": "1",
      "min": 1,
      "path": "Observation.valueCodeableConcept.coding",
      "sliceName": "loinc",
      "patternCoding": {
        "system": "http://loinc.org"
      }
    }, {
      "id": "Observation.valueCodeableConcept.extension",
      "path": "Observation.valueCodeableConcept.extension",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      }
    }, {
      "id": "Observation.valueCodeableConcept.extension:ordinalValue",
      "max": "1",
      "min": 1,
      "path": "Observation.valueCodeableConcept.extension",
      "type": [ {
        "code": "Extension"
      } ],
      "fixedUri": "http://hl7.org/fhir/StructureDefinition/ordinalValue",
      "sliceName": "ordinalValue",
      "constraint": [ {
        "key": "rass-ordinal-range",
        "human": "RASS ordinal score must be between -5 and +4.",
        "severity": "error",
        "expression": "%resource.valueCodeableConcept.extension('http://hl7.org/fhir/StructureDefinition/ordinalValue').value.as(Decimal) >= -5 and %resource.valueCodeableConcept.extension('http://hl7.org/fhir/StructureDefinition/ordinalValue').value.as(Decimal) <= 4"
      } ]
    }, {
      "id": "Observation.valueCodeableConcept.extension:ordinalValue.valueDecimal",
      "max": "1",
      "min": 1,
      "path": "Observation.valueCodeableConcept.extension.valueDecimal"
    } ]
  },
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation"
}