{
"description": "The population basis specifies the type of elements in the population. For a subject-based measure, this would be boolean (because the population criteria define yes/no values for each individual subject). For a non-subject-based measure, this would be the type of elements in the population (such as encounters or procedures).",
"_filename": "StructureDefinition-cqfm-populationBasis.json",
"package_name": "hl7.fhir.us.cqfmeasures",
"date": "2019-02-13T00:00:00-05:00",
"derivation": "constraint",
"publisher": "Health Level Seven, Inc. - CQI WG",
"fhirVersion": "3.0.2",
"jurisdiction": [ {
"coding": [ {
"code": "US",
"system": "urn:iso:std:iso:3166",
"display": "United States of America"
} ]
} ],
"purpose": "A measure specification needs to be able to specify the expected result type of each population criteria. This value SHALL be consistent with the result type of all population-level criteria in the measure.",
"name": "populationBasis",
"mapping": [ {
"uri": "http://hl7.org/v3",
"name": "RIM Mapping",
"identity": "rim"
} ],
"abstract": false,
"type": "Extension",
"experimental": "false",
"resourceType": "StructureDefinition",
"title": "Population Basis",
"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": "Element",
"severity": "error",
"expression": "hasValue() | (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": "Extension",
"min": 0,
"definition": "The population basis specifies the type of elements in the population. For a subject-based measure, this would be boolean (because the population criteria define yes/no values for each individual subject). For a non-subject-based measure, this would be the type of elements in the population (such as encounters or procedures).",
"short": "What type of population",
"max": "1",
"id": "Extension",
"condition": [ "ele-1" ],
"comment": "In Health Quality Measure Format, this was referred to as the Item Count metadata attribute.",
"base": {
"max": "*",
"min": 0,
"path": "Extension"
}
}, {
"path": "Extension.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.",
"short": "xml:id (or equivalent in JSON)",
"mapping": [ {
"map": "n/a",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "May be used to represent additional information that is not part of the basic definition of the element. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"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": "Extension.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"
}
}, {
"path": "Extension.url",
"min": 1,
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"short": "identifies the meaning of the extension",
"fixedUri": "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-populationBasis",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.url",
"comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
}
}, {
"path": "Extension.value[x]",
"min": 0,
"definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
"short": "Value of extension",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "code"
} ],
"binding": {
"strength": "required",
"description": "The type of elements in the population",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/all-types"
}
},
"max": "1",
"id": "Extension.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
} ]
},
"status": "active",
"id": "7d4c376a-cecb-4c35-b996-55107ce48ff7",
"kind": "complex-type",
"url": "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-populationBasis",
"context": [ "Measure" ],
"version": "1.0.0",
"differential": {
"element": [ {
"id": "Extension",
"max": "1",
"min": 0,
"path": "Extension",
"short": "What type of population",
"comment": "In Health Quality Measure Format, this was referred to as the Item Count metadata attribute.",
"definition": "The population basis specifies the type of elements in the population. For a subject-based measure, this would be boolean (because the population criteria define yes/no values for each individual subject). For a non-subject-based measure, this would be the type of elements in the population (such as encounters or procedures)."
}, {
"id": "Extension.url",
"path": "Extension.url",
"type": [ {
"code": "uri"
} ],
"fixedUri": "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-populationBasis"
}, {
"id": "Extension.value[x]",
"path": "Extension.value[x]",
"type": [ {
"code": "code"
} ],
"binding": {
"strength": "required",
"description": "The type of elements in the population",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/all-types"
}
}
} ]
},
"contact": [ {
"telecom": [ {
"value": "http://hl7.org/special/committees/CQI",
"system": "url"
} ]
} ],
"contextType": "datatype",
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}