| url | No | uri | Canonical identifier for this measure, represented as a URI (globally unique) |
| identifier | No | Identifier[] | Additional identifier for the measure |
| version | No | string | Business version of the measure |
| name | No | string | Name for this measure (computer friendly) |
| title | No | string | Name for this measure (human friendly) |
| subtitle | No | string | Subordinate title of the measure |
| status | Yes | code | draft / active / retired / unknown |
| experimental | No | boolean | For testing purposes, not real usage |
| subject[x] | No | CodeableConcept, Reference<Group> | E.g. Patient, Practitioner, RelatedPerson, Organization, Location, Device |
| date | No | dateTime | Date last changed |
| publisher | No | string | Name of the publisher (organization or individual) |
| contact | No | ContactDetail[] | Contact details for the publisher |
| description | No | markdown | Natural language description of the measure |
| useContext | No | UsageContext[] | The context that the content is intended to support |
| jurisdiction | No | CodeableConcept[] | Intended jurisdiction for measure (if applicable) |
| purpose | No | markdown | Why this measure is defined |
| usage | No | string | Describes the clinical usage of the measure |
| copyright | No | markdown | Use and/or publishing restrictions |
| approvalDate | No | date | When the measure was approved by publisher |
| lastReviewDate | No | date | When the measure was last reviewed |
| effectivePeriod | No | Period | When the measure is expected to be used |
| topic | No | CodeableConcept[] | The category of the measure, such as Education, Treatment, Assessment, etc. |
| author | No | ContactDetail[] | Who authored the content |
| editor | No | ContactDetail[] | Who edited the content |
| reviewer | No | ContactDetail[] | Who reviewed the content |
| endorser | No | ContactDetail[] | Who endorsed the content |
| relatedArtifact | No | RelatedArtifact[] | Additional documentation, citations, etc. |
| library | No | canonical[] | Logic used by the measure |
| disclaimer | No | markdown | Disclaimer for use of the measure or its referenced content |
| scoring | No | CodeableConcept | proportion / ratio / continuous-variable / cohort |
| compositeScoring | No | CodeableConcept | opportunity / all-or-nothing / linear / weighted |
| type | No | CodeableConcept[] | process / outcome / structure / patient-reported-outcome / composite |
| riskAdjustment | No | string | How risk adjustment is applied for this measure |
| rateAggregation | No | string | How is rate aggregation performed for this measure |
| rationale | No | markdown | Detailed description of why the measure exists |
| clinicalRecommendationStatement | No | markdown | Summary of clinical guidelines |
| improvementNotation | No | CodeableConcept | increase / decrease |
| definition | No | markdown[] | Defined terms used in the measure documentation |
| guidance | No | markdown | Additional guidance for implementers |
| group | No | MeasureGroup | Population criteria group |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | Extension[] | Additional content defined by implementations |
| - modifierExtension | No | Extension[] | Extensions that cannot be ignored even if unrecognized |
| - code | No | CodeableConcept | Meaning of the group |
| - description | No | string | Summary description |
| - population | No | MeasureGroupPopulation | Population criteria |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | Extension[] | Additional content defined by implementations |
| - modifierExtension | No | Extension[] | Extensions that cannot be ignored even if unrecognized |
| - code | No | CodeableConcept | initial-population / numerator / numerator-exclusion / denominator / denominator-exclusion / denominator-exception / measure-population / measure-population-exclusion / measure-observation |
| - description | No | string | The human readable description of this population criteria |
| - criteria | Yes | Expression | The criteria that defines this population |
| - stratifier | No | MeasureGroupStratifier | Stratifier criteria for the measure |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | Extension[] | Additional content defined by implementations |
| - modifierExtension | No | Extension[] | Extensions that cannot be ignored even if unrecognized |
| - code | No | CodeableConcept | Meaning of the stratifier |
| - description | No | string | The human readable description of this stratifier |
| - criteria | No | Expression | How the measure should be stratified |
| - component | No | MeasureGroupStratifierComponent | Stratifier criteria component for the measure |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | Extension[] | Additional content defined by implementations |
| - modifierExtension | No | Extension[] | Extensions that cannot be ignored even if unrecognized |
| - code | No | CodeableConcept | Meaning of the stratifier component |
| - description | No | string | The human readable description of this stratifier component |
| - criteria | Yes | Expression | Component of how the measure should be stratified |
| supplementalData | No | MeasureSupplementalData | What other data should be reported with the measure |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | Extension[] | Additional content defined by implementations |
| - modifierExtension | No | Extension[] | Extensions that cannot be ignored even if unrecognized |
| - code | No | CodeableConcept | Meaning of the supplemental data |
| - usage | No | CodeableConcept[] | supplemental-data / risk-adjustment-factor |
| - description | No | string | The human readable description of this supplemental data |
| - criteria | Yes | Expression | Expression describing additional data to be reported |
