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Allergy & Intolerance Drug Sub-project

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Produce a list of unique substances and multiple substance medications used in allergy & intolerance lists, ordered by frequency of incidence. This list will support the use of common elements for data capture and validation of data exchange. This list is not intended to prevent the recording of unusual substances where necessary, whether by code or text.

We would like to provide a set of standard coded identifiers for these substances. The codes for such a list would need to be free, readily available, and accepted for use by international stakeholders.

Note that the criterion is clinical use, not chemical specificity. I.e., if all we know is that the patient reports an allergy to "fish," that's what we can record. Similarly, if a patient has a reaction to percocet, and the clinician doesn't have evidence that supports identification of a specific ingredient, then "percocet" is what we know.


  • A list of substances ordered by frequency of incidence, with frequency ratios
  • Identifiers for these substances, using freely available standard identifiers


  • Confirm goals - done
  • Assess assets - done
  • Evaluate gaps - in process
  • Fill gaps - in process

Ballot outline September 2017


Go to Allergy & Intolerance Drug Sub-project questions



25 April 2018

11 April 2018

28 March 2018

14 March 2018

30 June 2017 (ad hoc)

28 June 2017

9 May 2017

12 April 2017

8 March 2017

2 February 2017

11 January 2017

28 December 2016

14 December 2016

16 November 2016

2 November 2016

19 October 2016