All reference sets require a concept to be created that represents the meaning of the reference set, provides the identification of the reference set, and names the reference set. These reference set concepts are created in the 

In this section, we discuss an example reference set concept (

Reference Set Concept

In 

Example reference set concept in the concept table

Please note the following:

• The concept id uses a namespace identifier allocated to Canada Health Infoway.
• The concept id uses a partition identifier of “10” to indicate that this concept was create in an extension.
• The moduleId indicates that this concept belongs to the

  Concept
  ShowParts term t 22091000087100 |Canada Health Infoway Reference Set Module|

  .
• The definitionStatusId indicates that this concept is 

  Concept
  ShowParts term t 900000000000074008 |Primative|

  . Please note that all metadata concepts in SNOMED CT are

  Concept
  ShowParts term t 900000000000074008 |Primative|

  .

Reference Set Description

In 

Example descriptions for the reference set concept

Please note the following:

• The description id uses a namespace identifier allocated to Canada Health Infoway.
• The description id uses a partition identifier of “11” to indicate that these descriptions were created in an extension.
• The moduleId indicates that these descriptions belong to the

  Concept
  ShowParts term t 22091000087100 |Canada Health Infoway Reference Set Module|

  .
• The conceptId links the descriptions to the reference set concept

  Concept
  ShowParts term t 22321000087101 |Route of administration reference set|

  .
• A languageCode of "en" indicates that the terms are written in English.
• The typeId indicates that the first description is a 

  Concept
  ShowParts term t 900000000000003001 |Fully specified name|

  , while the following two are of type 

  Concept
  ShowParts term t 900000000000013009 |Synonym|

  .
• The term is used to name the associated reference set.
• The caseSignificanceId indicates that the terms is

  Concept
  ShowParts term t 900000000000020002 |Only initial character case insensitive|

  .

Reference Set Relationship

In 

Example relationships for the reference set concept

Please note the following:

• The relationship id uses a namespace identifier allocated to Canada Health Infoway.
• The relationship id uses a partition identifier of “12” to indicate that this relationship was originally created in an extension.
• The moduleId indicates that these relationships belong to the

  Concept
  ShowParts term t 22091000087100 |Canada Health Infoway Reference Set Module|

  .
• The sourceId indicates that the relationship applies to the concept 

  Concept
  ShowParts term t 22321000087101 |Route of administration reference set|

  .
• The typeId indicates that the relationship represents an

  Concept
  ShowParts term t 116680003 |Is a|

   relationship.
• The destinationId indicates that 

  Concept
  ShowParts term t 22011000087106 |Canada Health Infoway Simple Type Reference Set|

   is a supertype of

  Concept
  ShowParts term t 116680003 |Is a|

  .
• The characteristicTypeId and modifierId columns have been omitted from this diagram for brevity.

Reference Set Language preferences

In 

Example language preferences for the reference set concept

Please note the following:

• The id is a UUID that was generated for the corresponding refset member.
• The moduleId indicates that these refset members belong to the

  Concept
  ShowParts term t 22091000087100 |Canada Health Infoway Reference Set Module|

  .
• The refsetId column indicates that these rows are members of the

  Concept
  ShowParts term t 19491000087109 |Canada English language reference set|

  . Note, that if the relevant language reference set does not exist, this must be created using the same process.
• The referencedComponentId column refers to the descriptions for which the acceptability is being specified.
• The acceptabilityId column indicates the

  Concept
  ShowParts term t 900000000000548007 |Preferred|

   and

  Concept
  ShowParts term t 900000000000549004 |Acceptable|

   descriptions in the given language dialect (in this case Canadian English).