description: Gleason Grade Group for prostatic cancer package_name: hl7.fhir.us.mcode derivation: constraint name: ProstateGleasonGradeGroup type: Observation elements: code: pattern: type: CodeableConcept value: coding: - {code: '385377005', system: 'http://snomed.info/sct'} index: 0 value: choices: [] index: 2 package_version: 4.0.0-ballot class: profile kind: resource url: http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-prostate-gleason-grade-group base: http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-cancer-stage version: 4.0.0-ballot