Existing Wording
MedicationStatement.identifier isModifier=Yes
MedicationStatement.wasNotGiven isModifier=No

Proposed Wording
MedicationStatement.identifier isModifier=No
MedicationStatement.wasNotGiven isModifier=Yes


Comments
The identifier element has been flagged as isModifier and wasNotGiven as not. Possibly a typo/cut-paste error. Clearly wasNotGiven is a modifying attribute for the resource since it negates the event from occurring.

Grahame's Comments \\Agree.

Disposition
Persuasive