description: This Extension supports the concepts 'incremental' and 'snapshot' and corresponds to the measureScore types in the FHIR R5 version of MeasureReport.\n\n- The DEQM Consumer Server **SHALL** use this Extension to advertise whether it supports [snapshot](index.html#incremental-update) or [incremental](index.html#snapshot-update) updates for the [DEQM Submit Data transaction](datax.html#submit-data).\n- The DEQM Producer Client **SHALL** use this Extension to indicate whether the payload is a snapshot or incremental update for DEQM Submit Data transaction.\n When responding to the [DEQM Collect Data transaction](datax.html#collect-data), the DEQM Producer Server **SHALL** value it 'incremental' if the `lastReceivedOn` parameter is present or 'snapshot if the `lastReceivedOn` parameter is absent. package_name: hl7.fhir.us.davinci-deqm derivation: constraint name: DEQMSubmitDataUpdateType type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/davinci-deqm/StructureDefinition/extension-submitDataUpdateType'} index: 1 value: choices: [valueCode] index: 3 valueCode: {type: code, choiceOf: value, index: 4} package_version: 5.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/davinci-deqm/StructureDefinition/extension-submitDataUpdateType base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.0.0-ballot