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  • Logical list content, i.e. allergy Dx, other Dx, Medications etc always have their primary representations elsewhere in the EHR; i.e. the cited form in the List is always a reference to something else, regardless of how it is displayed.
  • Deleting an allergy from an Allergy list, or a Problem from a problem list doesn't delete the original Allergy or Problem Entry; it just takes it out of the listdeletes the citation from the list. This is very important for the referential integrity of the EHR.

Technical Requirements

The technical requirements are as follows: