Left: | CQM Population Basis (http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-populationBasis) |
Right: | CQM Population Basis (http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-populationBasis) |
Information | StructureDefinition.date | Values for date differ: '2025-09-11T18:58:45+00:00' vs '2025-09-23T04:07:11+00:00' |
Name | Value | Comments | |
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![]() | false | ||
![]() | http://hl7.org/fhir/StructureDefinition/Extension | ||
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![]() | 2025-09-11T18:58:45+00:00 | 2025-09-23T04:07:11+00:00 |
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![]() | The population basis specifies the type of elements in the population. For a subject-based measure, this is boolean (because the subject and the population basis are the same, and the population criteria define yes/no values for each individual in the population). For measures that have a population basis that is different than the subject, this element specifies the type of the population basis. For example, an encounter-based measure has a subject of Patient and a population basis of Encounter, and the population criteria all return lists of Encounters. Note that the subject of a measure can be found in the element [subject[x].](https://hl7.org/fhir/uv/cqm/StructureDefinition-cqm-computablemeasure-definitions.html#Measure.subject[x]) | ||
![]() | false | ||
![]() | 4.0.1 | ||
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![]() ![]() | http://unstats.un.org/unsd/methods/m49/m49.htm#001 | ||
![]() | complex-type | ||
![]() | CQMPopulationBasis | ||
![]() | HL7 International / Clinical Quality Information | ||
![]() | 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. | ||
![]() | active | ||
![]() | CQM Population Basis | ||
![]() | Extension | ||
![]() | http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-populationBasis | ||
![]() | 1.0.0 |
Name | L Flags | L Card. | L Type | L Description & Constraints | R Flags | R Card. | R Type | R Description & Constraints | Comments![]() |
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![]() ![]() | C | 0..* | Extension | What type of population Constraints: popBasis-1 | C | 0..* | Extension | What type of population Constraints: popBasis-1 | |
![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | 0..1 | string | Unique id for inter-element referencing | |||
![]() ![]() ![]() | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||
![]() ![]() ![]() | 1..1 | uri | "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-populationBasis" | 1..1 | uri | "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-populationBasis" | |||
![]() ![]() ![]() | 0..1 | code, DataRequirement | Value of extension Binding: ?? (required): The type of elements in the population | 0..1 | code, DataRequirement | Value of extension Binding: ?? (required): The type of elements in the population | |||
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