description: 'The Eastern Cooperative Oncology Group (ECOG) Performance Status represents the patient''s functional status and is used to determine their ability to tolerate therapies in serious illness, specifically for chemotherapy. (Definition from: [LOINC](https://loinc.org/89262-0/)).'
package_name: hl7.fhir.us.mcode
derivation: constraint
name: ECOGPerformanceStatus
type: Observation
elements:
  category:
    binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/ValueSet/observation-category'}
    index: 3
  referenceRange: {index: 20}
  hasMember: {index: 21}
  interpretation:
    binding: {strength: required, valueSet: 'http://loinc.org/vs/LL529-9'}
    index: 16
  specimen: {index: 18}
  value:
    choices: [valueInteger]
    index: 12
  component: {index: 22}
  effectiveDateTime: {type: dateTime, mustSupport: true, choiceOf: effective, index: 8}
  status: {mustSupport: true, index: 2}
  effective:
    mustSupport: true
    choices: [effectiveDateTime, effectivePeriod]
    index: 7
  code:
    mustSupport: true
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: 89247-1, system: 'http://loinc.org'}
    index: 4
  bodySite: {index: 17}
  device: {index: 19}
  basedOn:
    type: Reference
    refers: ['http://hl7.org/fhir/StructureDefinition/CarePlan', 'http://hl7.org/fhir/StructureDefinition/ServiceRequest']
    index: 0
  partOf:
    type: Reference
    refers: ['http://hl7.org/fhir/StructureDefinition/Procedure']
    index: 1
  valueInteger: {type: integer, choiceOf: value, index: 13}
  subject:
    type: Reference
    mustSupport: true
    refers: ['http://hl7.org/fhir/us/core/StructureDefinition/us-core-patient']
    index: 5
  performer:
    type: Reference
    refers: ['http://hl7.org/fhir/StructureDefinition/Practitioner']
    index: 10
  dataAbsentReason: {index: 15}
  effectivePeriod: {type: Period, mustSupport: true, choiceOf: effective, index: 9}
package_version: 1.0.0
class: profile
kind: resource
url: http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-ecog-performance-status
base: http://hl7.org/fhir/StructureDefinition/Observation
version: 1.0.0
required: [value, subject, valueInteger]