{
  "description": "Constraints on documentation for the evaluation of a Measure",
  "_filename": "StructureDefinition-MeasureCriteria.json",
  "package_name": "hl7.fhir.uv.saner",
  "date": "2021-09-07T19:08:29+00:00",
  "derivation": "constraint",
  "publisher": "HL7 International Public Health Workgroup",
  "fhirVersion": "4.0.1",
  "jurisdiction": [ {
    "coding": [ {
      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm"
    } ]
  } ],
  "name": "MeasureCriteria",
  "mapping": [ {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  } ],
  "abstract": false,
  "type": "Expression",
  "experimental": "true",
  "resourceType": "StructureDefinition",
  "title": null,
  "package_version": "1.0.0",
  "snapshot": {
    "element": [ {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "exp-1",
        "human": "An expression or a reference must be provided",
        "xpath": "exists(f:expression) or exists(f:reference)",
        "source": "http://hl7.org/fhir/StructureDefinition/Expression",
        "severity": "error",
        "expression": "expression.exists() or reference.exists()"
      } ],
      "path": "Expression",
      "min": 0,
      "definition": "A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used.",
      "isModifier": false,
      "short": "An expression that can be used to generate a value",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "max": "*",
      "id": "Expression",
      "condition": [ "ele-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "Expression"
      }
    }, {
      "path": "Expression.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "string"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Expression.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Expression.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "Expression.extension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Expression.extension",
      "min": 0,
      "definition": "Provides Alternate criteria for performing a measure, (e.g., CQL, Drools, et cetera)",
      "isModifier": false,
      "short": "Other expressions for computing the criterion",
      "type": [ {
        "code": "Extension",
        "profile": [ "http://hl7.org/fhir/uv/saner/StructureDefinition/MeasureAlternateCriteria" ]
      } ],
      "sliceName": "alternateCriteria",
      "max": "1",
      "id": "Expression.extension:alternateCriteria",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Expression.description",
      "min": 1,
      "definition": "A brief, natural language description of the condition that effectively communicates the intended semantics.",
      "isModifier": false,
      "short": "Describe what the criterion does to a human (non-engineer)",
      "type": [ {
        "code": "string"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "Expression.description",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Expression.description"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Expression.name",
      "min": 0,
      "definition": "A short name assigned to the expression to allow for multiple reuse of the expression in the context where it is defined.",
      "isModifier": false,
      "short": "name should align with code.",
      "type": [ {
        "code": "id"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "Expression.name",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Expression.name"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Expression.language",
      "min": 1,
      "definition": "The media type of the language for the expression.",
      "isModifier": false,
      "short": "Provide the language for the criterion",
      "type": [ {
        "code": "code"
      } ],
      "mustSupport": true,
      "binding": {
        "strength": "extensible",
        "valueSet": "http://hl7.org/fhir/ValueSet/expression-language",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
          "valueCanonical": "http://www.rfc-editor.org/bcp/bcp13.txt"
        }, {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "ExpressionLanguage"
        } ],
        "description": "The media type of the expression language."
      },
      "max": "1",
      "id": "Expression.language",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Expression.language"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Expression.expression",
      "min": 1,
      "definition": "An expression in the specified language that returns a value.",
      "isModifier": false,
      "short": "A measure must describe how to automate the computation in an expression that can be evaluated in the specified language",
      "type": [ {
        "code": "string"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "Expression.expression",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Expression.expression"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Expression.reference",
      "min": 0,
      "definition": "A URI that defines where the expression is found.",
      "isModifier": false,
      "short": "Where the expression is found",
      "type": [ {
        "code": "uri"
      } ],
      "max": "1",
      "id": "Expression.reference",
      "comment": "If both a reference and an expression is found, the reference SHALL point to the same expression.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Expression.reference"
      },
      "isSummary": true
    } ]
  },
  "status": "draft",
  "id": "1dd519f0-adfc-40ae-b4f3-f243bb730b3b",
  "kind": "complex-type",
  "url": "http://hl7.org/fhir/uv/saner/StructureDefinition/MeasureCriteria",
  "version": "1.0.0",
  "differential": {
    "element": [ {
      "id": "Expression",
      "path": "Expression"
    }, {
      "id": "Expression.extension:alternateCriteria",
      "max": "1",
      "min": 0,
      "path": "Expression.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "http://hl7.org/fhir/uv/saner/StructureDefinition/MeasureAlternateCriteria" ]
      } ],
      "short": "Other expressions for computing the criterion",
      "sliceName": "alternateCriteria"
    }, {
      "id": "Expression.description",
      "min": 1,
      "path": "Expression.description",
      "short": "Describe what the criterion does to a human (non-engineer)",
      "mustSupport": true
    }, {
      "id": "Expression.name",
      "path": "Expression.name",
      "short": "name should align with code.",
      "mustSupport": true
    }, {
      "id": "Expression.language",
      "path": "Expression.language",
      "short": "Provide the language for the criterion",
      "mustSupport": true
    }, {
      "id": "Expression.expression",
      "min": 1,
      "path": "Expression.expression",
      "short": "A measure must describe how to automate the computation in an expression that can be evaluated in the specified language",
      "mustSupport": true
    } ]
  },
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/Special/committees/pher",
      "system": "url"
    } ]
  }, {
    "telecom": [ {
      "value": "pher@lists.hl7.org",
      "system": "email"
    } ]
  }, {
    "name": "Keith W. Boone",
    "telecom": [ {
      "value": "mailto:kboone@ainq.com",
      "system": "email"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Expression"
}