description: A profile for observations that capture a patient's average days per week of moderate-to-vigorous physical activity. package_name: hl7.fhir.us.physical-activity.r4b derivation: constraint name: PAObservationEVSDaysPerWeek type: Observation elements: code: pattern: type: CodeableConcept value: coding: - {code: 89555-7, system: 'http://loinc.org'} index: 0 valueQuantity: index: 1 elements: code: pattern: {type: Code, value: d/wk} index: 2 package_version: 1.0.0-ballot class: profile kind: resource url: http://hl7.org/fhir/us/physical-activity/StructureDefinition/pa-observation-evs-days-per-week base: http://hl7.org/fhir/us/physical-activity/StructureDefinition/pa-observation-evs version: 1.0.0-ballot