- Record of medication being taken by a patient Profile of MedicationStatement for decision support/quality metrics. Defines the core set of elements and extensions for quality rule and measure authors.
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Key: = Must support, = QICore-defined extension, = Is-Modifier
Field Card. Type and Description 
dateAsserted 0..1DateTimeThe date when the medication statement was asserted by the information source.dosage 0..*List<Dosage> (TBD)Indicates how the medication is/was used by the patient.effective[x] 0..1DateTime | interval<DateTime>The interval of time during which it is being asserted that the patient was taking the medication (or was not taking, when the wasNotGiven element is true).identifier 0..*List<Identifier>External identifier - FHIR will generate its own internal identifiers (probably URLs) which do not need to be explicitly managed by the resource. The identifier here is one that would be used by another non-FHIR system - for example an automated medication pump would provide a record each time it operated; an administration while the patient was off the ward might be made with a different system and entered after the event. Particularly important if these records have to be updated.informationSource 0..1Patient | Practitioner | RelatedPersonThe person who provided the information about the taking of this medication.medication[x] 1..1Concept | MedicationIdentifies the medication being administered. This is either a link to a resource representing the details of the medication or a simple attribute carrying a code that identifies the medication from a known list of medications.Binding: Medication Clinical Drug (RxNorm) (Preferred)
note 0..1StringProvides extra information about the medication statement that is not conveyed by the other attributes.patient 1..1PatientThe person or animal who is/was taking the medication.reasonForUse[x] 0..1Concept | ConditionA reason for why the medication is being/was taken.Binding: Condition/Problem/Diagnosis Codes (Example)
reasonNotTaken 0..*List<Concept>A code indicating why the medication was not taken.Binding: Reason Medication Not Given Codes (Example)
status 1..1codeA code representing the patient or other source's judgment about the state of the medication used that this statement is about. Generally this will be active or completed.Binding: MedicationStatementStatus (Required)
supportingInformation 0..*List<Resource>Allows linking the MedicationStatement to the underlying MedicationOrder, or to other information that supports the MedicationStatement.wasNotTaken 0..1BooleanSet this to true if the record is saying that the medication was NOT taken.Key: = Must support, = QICore-defined extension, = Is-Modifier
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