Medication Administration

A one-time event whereby medication is given to a patient, along with the relevant information (e.g., dose, route of administration, setting).
Excludes immunization.

Attributes

AttributeTypeMultiplicityAttribute note
Medication Administration Reason Code Codeable Concept 0..*
Uniquely specifies the sign(s), symptom(s) or health condition(s) that the medication was administered to manage, improve, treat or prevent. Value Set: https://fhir.infoway-inforoute.ca/ValueSet/medicationreasoncode

Relationships

From class From multiplicity Relationship To class To multiplicity
Procedure Context 0..* is Medication Administration 0..1
Medication Administration 0..* for
{Not Vaccine}
Drug 1
Medication Administration 0..* based on Medication Request 1
Medication Administration 0..* of
{Not Vaccine}
Drug 1
Medication Administration 0..*
{Mandatory when performed by health care service provider in clinical setting}
Party Role 0..*
Medication Administration 0..1 has (composition) Clinical Annotation 0..*
Medication Administration 1 has (composition) Medication Administered Dosage 0..1
Medication Administration 0..* part of Patient Procedure 0..1
Medication Administration 0..1 results in Adverse Event 0..*
Medication Administration is a Health Care Service Event
Medication Administration 0..* has (composition) Medication Administered Dosage 0..1
Medication Administration 0..* performed in Encounter 0..1
Medication Administration 0..* has Clinical Information Life Cycle Event 0..*

Contact us

If you have questions about this initiative, would like to be added to our stakeholder notification list or would like to participate in our consultations, please email us.

connectedcare@cihi.ca

How to cite:

Canadian Institute for Health Information. Medication Administration. Accessed November 02, 2026.