description: Histologic grade determined from examination of tumor sample. The grade system should be captured using the method data element.
package_name: hl7.fhir.us.mcode
derivation: constraint
name: HistologicGrade
type: Observation
elements:
  method:
    binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/us/mcode/ValueSet/mcode-histologic-grading-system-vs'}
    mustSupport: true
    index: 11
  specimen:
    type: Reference
    refers: ['http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-human-specimen']
    index: 12
  value:
    choices: [valueCodeableConcept]
    index: 9
  extension:
    index: 0
    slicing:
      rules: open
      ordered: false
      discriminator:
      - {path: url, type: value}
      min: null
      slices:
        relatedCondition:
          match: {url: null}
          schema: {short: Condition associated with this test., type: Extension, mustSupport: true, url: 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-related-condition', index: 1}
          min: 0
  effectiveDateTime: {type: dateTime, choiceOf: effective, index: 6}
  effective:
    choices: [effectiveDateTime, effectivePeriod]
    index: 5
  code:
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: C18000, system: 'http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl'}
    index: 2
  valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 10}
  subject:
    type: Reference
    refers: ['http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-cancer-patient']
    index: 3
  effectivePeriod: {type: Period, choiceOf: effective, index: 7}
package_version: 4.0.0
extensions:
  relatedCondition: {url: 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-related-condition', min: 0, short: Condition associated with this test., type: Extension, mustSupport: true, index: 1}
class: profile
kind: resource
url: http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-histologic-grade
base: http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-lab
version: 4.0.0
required: [value, valueCodeableConcept]