This Code system is referenced in the content logical definition of the following value sets:
This CodeSystem is not used here; it may be used elsewhere (e.g. specifications and/or implementations that use this content)
This case-sensitive code system http://terminology.hl7.org/CodeSystem/med-admin-perform-function defines the following codes:
Code
Display
Definition
performer
Performer
A person, non-person living subject, organization or device that who actually and principally carries out the action
verifier
Verifier
A person who verifies the correctness and appropriateness of the service (plan, order, event, etc.) and hence takes on accountability.
witness
Witness
A person witnessing the action happening without doing anything. A witness is not necessarily aware, much less approves of anything stated in the service event. Example for a witness is students watching an operation or an advanced directive witness.