This example illustrates a planned surgical procedure with multiple proposed alternatives, with the expectation that the surgeon will choose one to perform when the surgery actually occurs.

This is an example of a patient refusing a procedure.

This is an example of an unsuccessful procedure attempt.

This example illustrates an act within a procedure section.

This example illustrates how an observation within a procedure section.

This example illustrates how a procedure which "alters the physical state" of the patient and should be classified as a procedure.

This example illustrates a Colonoscopy procedure which with biopsy. Even if not biopsy, a colonscopy is recommended to be in a Procedure Activity Procedure.