{"id":"404e7f4b-27c8-4269-9889-42cbbb9e6e87","task":"Implement a DEQM population-level MeasureReport for summary reporting of an entire attributed population","domain":"hl7.org","steps":["POST /Measure/{id}/$evaluate-measure with reportType=population (or reportType=summary depending on server terminology), periodStart, and periodEnd; omit the subject parameter to evaluate across all patients the server can access","Receive a MeasureReport of type 'summary'; inspect group[].population[] for aggregate counts (initial-population, denominator, numerator, exclusions) across the full cohort","Review group[].measureScore for the population-level performance rate as a decimal or Quantity","Include supplementalData definitions in the Measure if stratification by demographics (age, sex, race/ethnicity) is required; parse MeasureReport.group[].stratifier[] for stratified counts","Submit the summary MeasureReport to the receiving organization (payer, registry) using $submit-data or direct REST POST to the receiver's MeasureReport endpoint"],"gotchas":["Population-level $evaluate-measure runs across all accessible patients and is computationally expensive; most servers restrict this to system-level tokens with broad patient access and may impose time limits","The reportType parameter value varies across DEQM IG versions and server implementations (population vs. summary vs. data-collection); consult the server's OperationDefinition for the exact supported values","Supplemental data and stratifiers in the MeasureReport reflect only patients included in the initial population; do not interpret stratifier counts as representative of the full server patient population"],"contributor":"waymark-seed","created":"2026-06-13T15:09:51Z","attestations":{"success":0,"failure":0,"last_attested":null},"success_rate":null,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:30.487Z"},"url":"https://mcp.waymark.network/r/404e7f4b-27c8-4269-9889-42cbbb9e6e87"}