Medication Statement

A record of a drug that a patient is actually taking, has taken or intends to take — as reported (generally by the patient), not necessarily as prescribed.
Excludes information about vaccination, which is documented in the Immunization subject area.

Constraints

n/a

Stereotype(s)

n/a

Attributes

AttributeTypeMultiplicityAttribute note
Medication Usage Reason Code Codeable Concept 0..*
Uniquely specifies the sign(s), symptom(s) or health condition(s) that the medication is or was taken to manage, improve, treat or prevent. Note: Usually identical to the reason(s) on the medication request(s); however, the patient may report (abnormally) medication usage reason(s) different from the one(s) provided by the prescriber. Value Set: https://fhir.infoway-inforoute.ca/ValueSet/medicationreasoncode
Medication Usage Status Code Codeable Concept 1
Uniquely specifies the status of the medication consumed (or to be consumed) by the patient (e.g., active, completed, on hold, entered in error). Value Set: https://fhir.infoway-inforoute.ca/ValueSet/medicationstatementstatuscodes
Medication Usage Status Reason Code Codeable Concept 0..*
Uniquely specifies the reason(s) why the medication was stopped or not completed as directed (e.g., side effects, development of new health concern). Value Set: To be developed.
Medication Usage Setting Category Code Codeable Concept 0..1
Uniquely specifies the setting category (e.g., inpatient, outpatient, community) indicating where the medication is or was or will be taken. Value Set: To be developed.
Non-Prescribed Medication Indicator Indicator 0..1
Indicates whether or not a drug or drugs the patient is or was or will be taking is non-prescribed medication (e.g., over-the-counter product, traditional medicine). If true and no corresponding Drug record is documented in this statement (i.e., if there is no known standard drug code for the medication), then non-prescribed medication(s) reported by the patient other than traditional medicines may be documented in the free text part of this attribute.
Consumed Traditional Medicines Description String 0..1
Free text description of consumed medicinal and ceremonial plants or animal products that are harvested, prepared and used for their healing properties or for ceremonial purposes.

Relationships

From class From multiplicity Relationship To class To multiplicity
Medication Statement 0..* about
{Not Vaccine}
Drug 0..1
Medication Statement 0..* has Clinical Information Life Cycle Event 0..*
Medication Statement 1 has (composition) Medication Consumed Dosage 0..*
Medication Statement 0..* based on Medication Request 0..*
Medication Statement 0..1 has (composition) Clinical Annotation 0..*
Medication Statement 0..* for Patient 1
Medication Statement 0..* has (composition) Medication Consumed Dosage 0..*
Medication Statement 0..* documented in Encounter 0..1

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 Statement. Accessed November 02, 2026.