Purpose

The 

1. A requirement to indicate the degree of correlation between the SNOMED CT concept and the 

   Gloss
   t other-codes t: other-codes

   .
2. A requirement to indicate whether a concept or code was added to either code system as a result of the mapping process and, in this case, to indicate in which code system the concept or code originated.
3. A requirement to represent the SNOMED CT attribute to which the  

   Gloss
   t other-code t: other-codes

    should be applied in order to capture the full specificity of the value represented by the  

   Gloss
   t other-code t: other-codes

   .
4. No requirements for mapping rules or advice to be included with each map.

Data Structure

Map Correlation and Origin Reference Set - Data Structure