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Meaning unknown

No association required

The inactivation reason “Meaning Unknown” explicitly states that the meaning of the inactivated concept (A) cannot, in the judgment of the author/editor be determined and therefore no historical association should be provided.

• Annotation
  Additional notes on why this concept was considered not to represent a known clinical phenomenon.
• Dropdown list (Where no replacement is appropriate)
  As the concept has no defined clinical meaning choose the statement "No suitable replacement concept identified" from the dropdown list.

• Additional notes

  • This reason for inactivation is added for completeness and it is likely that there will be few concepts that will legitimately be considered as falling within its remit. 
  • Using the SCT term as a search term in PubMed may return some matches that give an indication of meaning and a return of few recent or no matches would provide some support for the use of this reason for inactivation.
  • Consider consulting domain experts to establish whether the concept to be inactivated is or is not considered to have clinical meaning within their sphere of practice. Use the sub and supertypes to identify the domain to consult.