A study arm is "a group or subgroup of participants in a clinical trial that receives specific interventions, or no intervention, according to the study protocol. This is decided before the trial begins" (ClinicalTrials.gov).
"Describes an expected sequence of events for one of the participants of a study. E.g. Exposure to drug A, wash-out, exposure to drug B, wash-out, follow-up." - HL7 FHIR, ResearchStudy.arm

Attributes
«CS» Code	category	"Categorization of study arm, e.g. experimental, active comparator, placebo comparater." - HL7 FHIR, ResearchStudy.arm.type
String	description	"A succinct description of the path through the study that would be followed by a subject adhering to this arm." - HL7 FHIR, ResearchStudy.arm.description
String	name	"Unique, human-readable label for this arm of the study." - HL7 FHIR, ResearchStudy.arm.name

 category

Public «CS» Code category

"Categorization of study arm, e.g. experimental, active comparator, placebo comparater." - HL7 FHIR, ResearchStudy.arm.type

Constraints:

Properties:

Aggregation	None
Alias
Association
Association End
Class	StudyArm
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	category
Name Expression
Namespace	StudyArm
Opposite
Owner	StudyArm
Owning Association
Owning Template Parameter
Qualified Name	FHIM::Common::StudyArm::category
Stereotype
Template Parameter
Type	«CS» Code
Upper	1
Upper Value	(1)
Visibility	Public

 description

Public String description

"A succinct description of the path through the study that would be followed by a subject adhering to this arm." - HL7 FHIR, ResearchStudy.arm.description

Constraints:

Properties:

Aggregation	None
Alias
Association
Association End
Class	StudyArm
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	StudyArm
Opposite
Owner	StudyArm
Owning Association
Owning Template Parameter
Qualified Name	FHIM::Common::StudyArm::description
Stereotype
Template Parameter
Type	String
Upper	1
Upper Value	(1)
Visibility	Public

 name

Public String name

"Unique, human-readable label for this arm of the study." - HL7 FHIR, ResearchStudy.arm.name

Constraints:

Properties:

Aggregation	None
Alias
Association
Association End
Class	StudyArm
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	name
Name Expression
Namespace	StudyArm
Opposite
Owner	StudyArm
Owning Association
Owning Template Parameter
Qualified Name	FHIM::Common::StudyArm::name
Stereotype
Template Parameter
Type	String
Upper	1
Upper Value	(1)
Visibility	Public