ICD to SNOMED CT Mapping: Observations and Inferences by Dr. SB Bhattacharyya, @sbbhattacharya


The Concepts presented in this article are as proposed by Dr. SB Bhattacharyya and presented in the HCITExpert Blog with permission from Dr. SBB - [email protected]

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SNOMED CT CSETS - Its Place and Use by @sbbhattacharyya


The Concepts related to CSets are as proposed by Dr. SB Bhattacharyya and presented in the HCITExpert Blog with permission from Dr. SBB - [email protected]

What is a Constrained Set?

  • The word constrain means “to control or limit something” (Cambridge Online  Dictionary)

  • SNOMED CT makes extensive use of refsets (reference sets), for a wide-range  of purposes, each of which have specific purposes

  • Refsets need to conform to certain specific rules and guidelines regarding their
preparation, distribution and maintenance
  • Takes a long time to design one and the designing entity needs to have a
 namespace assigned to it
  • This makes the rapid and effective use of SNOMED CT in individual systems  cumbersome at best and impractical at worst


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