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 vaccination, documented in the Immunization subject area.

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
Medication Administration Status Code Codeable Concept 1
Uniquely specifies the status of the medication administration (e.g., in progress, not done, completed). Value Set: https://fhir.infoway-inforoute.ca/ValueSet/medicationadministrationstatuscodes
Medication Administration Status Reason Code Codeable Concept 0..1
Uniquely specifies the reason for the status of medication administration (e.g., why the medication was not administered). Value Set: To be developed.
Medication Administration Setting Category Code Codeable Concept 0..1
Uniquely specifies the expected or actual setting category (e.g., inpatient, outpatient, community) where the medication was administered. Value Set: To be developed.
Medication Incident Description String 0..1
A medication administration-related event or circumstance that could have resulted or did result in unnecessary harm to the person.

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.