Reference Sets Practical Guide

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changes.mady.by.user David Markwell

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changes.mady.by.user Anne Randorff Højen

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StepDescription

1. Define the reference set in the metadata hierarchy

  1. Create a

    Gloss
    Spacetrue
    tconcept
    for the reference set

  2. Add up to three

    Gloss
    Spacetrue
    tDescriptions
    for the reference set concept. I.e. the FSN, the
    Gloss
    Spacetrue
    tPreferred Term
    and optionally the purpose, see 4.1.4. Naming Conventions for Reference Sets

  3.  Add an | is a | 

    Gloss
    Spacetrue
    tRelationship
    to link the reference set to the appropriate pattern

2. Define the reference set Attributes within the metadata hierarchy

Add new

Gloss
Spacetrue
tconcepts
for each of the reference set member attributes, if necessary. If the reference set attributes describing the pattern are adequate to describe the reference set's attributes, then these can be used instead. You may add new
Gloss
Spacetrue
tconcepts
for some of the attributes, and reuse existing
Gloss
Spacetrue
tconcepts
for other attributes, if you wish.

 Following steps should be taken for each attribute that you wish to create:

  1. Add a

    Gloss
    Spacetrue
    tconcept
    for the attribute

  2. Link it with an | is a |

    Gloss
    Spacetrue
    tRelationship
    into the
    Concept
    t900000000000457003 | Reference set attribute (foundation metadata concept) |
    ShowFormatinline
    Gloss
    thierarchy

  3. Add

    Gloss
    Spacetrue
    tDescriptions
    for each of the new attribute.

    If new attribute values need to be created these should also be added as SNOMED CT concepts and placed as subtypes of the concept

    Concept
    t900000000000457003 | Reference set attribute (foundation metadata concept) |

3. Create the Descriptor for the reference set

If the reference set does not follow an existing reference set pattern, the additional attributes specific for this customized reference set should be included in the Descriptor reference set.

4. Add members to the reference set

Reference set members are added to the reference set, which includes specifying the attribute values for each reference set member.

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