description: A GAS score indicates how a patient, caregiver, or practitioner rated goal progress using goal attainment scaling.
package_name: hl7.fhir.us.pco
derivation: constraint
name: PCOGoalAttainmentScoreObservation
type: Observation
elements:
  code:
    short: Code for Goal Attainment Scaling (GAS) score observation
    binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/us/pco/ValueSet/goal-attainment-scaling-score'}
    index: 0
  focus:
    type: Reference
    short: The goal whose progress was scored
    mustSupport: true
    refers: ['http://hl7.org/fhir/us/pco/StructureDefinition/pco-gas-goal-profile']
    index: 1
  effective:
    short: When the score was assessed
    choices: [effectiveDateTime, effectivePeriod]
    index: 3
  effectiveDateTime: {type: dateTime, short: When the score was assessed, choiceOf: effective, index: 4}
  effectivePeriod: {type: Period, short: When the score was assessed, choiceOf: effective, index: 5}
  value:
    short: GAS Score Answers
    choices: [valueCodeableConcept]
    index: 7
  valueCodeableConcept: {type: CodeableConcept, short: GAS Score Answers, choiceOf: value, index: 8}
package_version: 1.0.0-ballot
class: profile
kind: resource
url: http://hl7.org/fhir/us/pco/StructureDefinition/pco-gas-score-observation
base: http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-screening-assessment
version: 1.0.0-ballot
required: [effectiveDateTime, effectivePeriod, value, valueCodeableConcept, effective]