description: Profile of Substance for decision support/quality metrics. Defines the core set of elements and extensions for quality rule and measure authors. package_name: hl7.fhir.us.qicore derivation: constraint name: QICoreSubstance type: Substance elements: code: short: (QI) If this describes a specific package/container of the substance binding: {strength: preferred, valueSet: 'http://hl7.org/fhir/ValueSet/substance-code'} index: 0 instance: mustSupport: false index: 1 elements: quantity: {short: (QI) Amount of substance in the package, index: 2} ingredient: mustSupport: false index: 3 elements: quantity: {short: (QI) Optional amount (concentration), index: 4} substance: short: (QI) A component of the substance choices: [substanceReference] index: 6 substanceReference: type: Reference short: (QI) A component of the substance choiceOf: substance refers: ['http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-substance'] index: 7 package_version: 7.0.0-ballot class: profile kind: resource url: http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-substance base: http://hl7.org/fhir/StructureDefinition/Substance version: 7.0.0-ballot