- How the medication is/was taken or should be taken Base StructureDefinition for Dosage Type: Indicates how the medication is/was taken or should be taken by the patient.
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Key: = Must support, = QICore-defined extension, = Is-Modifier
Field Card. Type and Description 
additionalInstruction 0..*List<Concept>Supplemental instruction - e.g. "with meals".Binding: SNOMED CT Additional Dosage Instructions (Example)
asNeeded[x] 0..1Boolean | ConceptIndicates whether the Medication is only taken when needed within a specific dosing schedule (Boolean option), or it indicates the precondition for taking the Medication (CodeableConcept).Binding: SNOMED CT Medication As Needed Reason Codes (Example)
dose[x] 0..1Interval<Interval<Quantity> | QuantityAmount of medication per dose.maxDosePerAdministration 0..1QuantityUpper limit on medication per administration.maxDosePerLifetime 0..1QuantityUpper limit on medication per lifetime of the patient.maxDosePerPeriod 0..1RatioUpper limit on medication per unit of time.method 0..1ConceptTechnique for administering medication.Binding: SNOMED CT Administration Method Codes (Example)
patientInstruction 0..1StringInstructions in terms that are understood by the patient or consumer.rate[x] 0..1Interval<Ratio | Interval<Quantity> | QuantityAmount of medication per unit of time.route 0..1ConceptHow drug should enter body.Binding: SNOMED CT Route Codes (Example)
sequence 0..1IntegerIndicates the order in which the dosage instructions should be applied or interpreted.site 0..1ConceptBody site to administer to.Binding: SNOMED CT Anatomical Structure for Administration Site Codes (Example)
timing 0..1TimingWhen medication should be administered.Key: = Must support, = QICore-defined extension, = Is-Modifier
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