Substance: "The tangible matter of which a thing consists; a specific type of matter, esp. a homogeneous material with a definite composition." - Collins English Dictionary
This class represents a substance, either manufactured or found naturally, which might be referenced by clinical records. This class may represent ingredients in a medication, a substance to which the patient was exposed or which the patient consumes, or an analyte, among many other potential uses.
"The Substance entity is used to describe any material that functions as an ingredient of the Medicine." - HL7 Version 3.
"The actual ingredient - either a substance (simple ingredient) or another medication." - HL7 FHIR, Medication.ingredient.item[x]
"A homogeneous material with a definite composition." - HL7 FHIR, Substance

Attributes
«CS» Code	category	"A code that classifies the general type of substance. This is used for searching, sorting and display purposes." - HL7 FHIR, Substance.category
String	description	"A description of the substance - its appearance, handling requirements, and other usage notes." - HL7 FHIR, Substance.description
«II» Id	identifier	"Unique identifier for the substance." - HL7 FHIR, Substance.identifier
«CS» Code	kind	A code that identifies the substance. When used as an ingredient in a drug or food in the United States, this code should be a UNII code (Unique Ingredient Identifier), which is issued by FDA. "A code (or set of codes) that identify this substance." - HL7 FHIR, Substance.code "The actual ingredient - either a substance (simple ingredient) or another medication." - HL7 FHIR, Medication.ingredient.item[x]
«CS» Code	status	"A code to indicate if the substance is actively used." - HL7 FHIR, Substance.status
SubstanceIngredient	substanceIngredient	"A substance can be composed of other substances." - HL7 FHIR, Substance.ingredient
SubstanceInstance	substanceInstance	"Substance may be used to describe a kind of substance, or a specific package/container of the substance: an instance." - HL7 FHIR, Substance.instance

 category

Public «CS» Code category

"A code that classifies the general type of substance. This is used for searching, sorting and display purposes." - HL7 FHIR, Substance.category

Constraints:

Properties:

Aggregation	None
Alias
Association
Association End
Class	Substance
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	0
Lower Value	(0)
Multiplicity	*
Name	category
Name Expression
Namespace	Substance
Opposite
Owner	Substance
Owning Association
Owning Template Parameter
Qualified Name	FHIM::CommonProduct::Substance::category
Stereotype
Template Parameter
Type	«CS» Code
Upper	*
Upper Value	(*)
Visibility	Public

 description

Public String description

"A description of the substance - its appearance, handling requirements, and other usage notes." - HL7 FHIR, Substance.description

Constraints:

Properties:

Aggregation	None
Alias
Association
Association End
Class	Substance
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	0
Lower Value	(0)
Multiplicity	0..1
Name	description
Name Expression
Namespace	Substance
Opposite
Owner	Substance
Owning Association
Owning Template Parameter
Qualified Name	FHIM::CommonProduct::Substance::description
Stereotype
Template Parameter
Type	String
Upper	1
Upper Value	(1)
Visibility	Public

 identifier

Public «II» Id identifier

"Unique identifier for the substance." - HL7 FHIR, Substance.identifier

Constraints:

Properties:

Aggregation	None
Alias
Association
Association End
Class	Substance
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	0
Lower Value	(0)
Multiplicity	*
Name	identifier
Name Expression
Namespace	Substance
Opposite
Owner	Substance
Owning Association
Owning Template Parameter
Qualified Name	FHIM::CommonProduct::Substance::identifier
Stereotype
Template Parameter
Type	«II» Id
Upper	*
Upper Value	(*)
Visibility	Public

 kind

Public «CS» Code kind

A code that identifies the substance.
When used as an ingredient in a drug or food in the United States, this code should be a UNII code (Unique Ingredient Identifier), which is issued by FDA.
"A code (or set of codes) that identify this substance." - HL7 FHIR, Substance.code
"The actual ingredient - either a substance (simple ingredient) or another medication." - HL7 FHIR, Medication.ingredient.item[x]

Constraints:

Properties:

Aggregation	None
Alias
Association
Association End
Class	Substance
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	1
Lower Value	(1)
Multiplicity	1
Name	kind
Name Expression
Namespace	Substance
Opposite
Owner	Substance
Owning Association
Owning Template Parameter
Qualified Name	FHIM::CommonProduct::Substance::kind
Stereotype
Template Parameter
Type	«CS» Code
Upper	1
Upper Value	(1)
Visibility	Public

 status

Public «CS» Code status

"A code to indicate if the substance is actively used." - HL7 FHIR, Substance.status

Constraints:

Properties:

Aggregation	None
Alias
Association
Association End
Class	Substance
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	0
Lower Value	(0)
Multiplicity	0..1
Name	status
Name Expression
Namespace	Substance
Opposite
Owner	Substance
Owning Association
Owning Template Parameter
Qualified Name	FHIM::CommonProduct::Substance::status
Stereotype
Template Parameter
Type	«CS» Code
Upper	1
Upper Value	(1)
Visibility	Public

 substanceIngredient

Public SubstanceIngredient substanceIngredient

"A substance can be composed of other substances." - HL7 FHIR, Substance.ingredient

Constraints:

Properties:

Aggregation	None
Alias
Association	substance_substanceIngredient
Association End
Class	Substance
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	0
Lower Value	(0)
Multiplicity	*
Name	substanceIngredient
Name Expression
Namespace	Substance
Opposite
Owner	Substance
Owning Association
Owning Template Parameter
Qualified Name	FHIM::CommonProduct::Substance::substanceIngredient
Stereotype
Template Parameter
Type	SubstanceIngredient
Upper	*
Upper Value	(*)
Visibility	Public

 substanceInstance

Public SubstanceInstance substanceInstance

"Substance may be used to describe a kind of substance, or a specific package/container of the substance: an instance." - HL7 FHIR, Substance.instance

Constraints:

Properties:

Aggregation	None
Alias
Association	substance_substanceInstance
Association End
Class	Substance
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	0
Lower Value	(0)
Multiplicity	*
Name	substanceInstance
Name Expression
Namespace	Substance
Opposite
Owner	Substance
Owning Association
Owning Template Parameter
Qualified Name	FHIM::CommonProduct::Substance::substanceInstance
Stereotype
Template Parameter
Type	SubstanceInstance
Upper	*
Upper Value	(*)
Visibility	Public

• Example:
  (drug): Atorvastatin Calcium
  (food): Milk Protien Concentrate