http://hl7.org/fhir/StructureDefinition/Substance|4.0.1

A homogeneous material with a definite composition.

element_id	types
Substance
Substance.identifier	Identifier
Substance.status	code
Substance.category	CodeableConcept
Substance.code	CodeableConcept
Substance.description	string
Substance.instance	BackboneElement
Substance.instance.identifier	Identifier
Substance.instance.expiry	dateTime
Substance.instance.quantity	Quantity
Substance.ingredient	BackboneElement
Substance.ingredient.quantity	Ratio
Substance.ingredient.substance[x]	CodeableConcept,Reference
Substance
Substance.id	http://hl7.org/fhirpath/System.String
Substance.meta	Meta
Substance.implicitRules	uri
Substance.language	code
Substance.text	Narrative
Substance.contained	Resource
Substance.extension	Extension
Substance.modifierExtension	Extension
Substance.identifier	Identifier
Substance.status	code
Substance.category	CodeableConcept
Substance.code	CodeableConcept
Substance.description	string
Substance.instance	BackboneElement
Substance.instance.id	http://hl7.org/fhirpath/System.String
Substance.instance.extension	Extension
Substance.instance.modifierExtension	Extension
Substance.instance.identifier	Identifier
Substance.instance.expiry	dateTime
Substance.instance.quantity	Quantity
Substance.ingredient	BackboneElement
Substance.ingredient.id	http://hl7.org/fhirpath/System.String
Substance.ingredient.extension	Extension
Substance.ingredient.modifierExtension	Extension
Substance.ingredient.quantity	Ratio
Substance.ingredient.substance[x]	CodeableConcept,Reference