See the patterns page for implementation and usage patterns.

To create an expression specifically requesting information that a procedure intentionally did not occur for a medical, patient or system reason, use the profile QICore-Procedurenotdone.

define "Flexible Sigmoidoscopy Performed":
	[Procedure: "Flexible Sigmoidoscopy"] FlexibleSigmoidoscopy
		where FlexibleSigmoidoscopy.status = 'completed'
			and Global."Normalize Interval"(FlexibleSigmoidoscopy.performed) ends 5 years or less on or before end of "Measurement Period"