Dosage

Indicates how the medication is/was taken or should be taken by the patient.

= Must Support, = Is Modifier, = QiCore defined extension

Field	Card.	Type	Description
sequence	0..1	Integer	Indicates the order in which the dosage instructions should be applied or interpreted.
text	0..1	String	Free text dosage instructions e.g. SIG.
additionalInstruction	0..*	Concept	Supplemental instruction - e.g. "with meals".
patientInstruction	0..1	String	Instructions in terms that are understood by the patient or consumer.
timing	0..1	Timing	When medication should be administered.
asNeeded[x]	0..1	Boolean | Concept	Indicates 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).
site	0..1	Concept	Body site to administer to.
route	0..1	Concept	How drug should enter body.
method	0..1	Concept	Technique for administering medication.
dose[x]	0..1	Interval<Quantity> | Quantity	Amount of medication per dose.
maxDosePerPeriod	0..1	Ratio	Upper limit on medication per unit of time.
maxDosePerAdministration	0..1	Quantity	Upper limit on medication per administration.
maxDosePerLifetime	0..1	Quantity	Upper limit on medication per lifetime of the patient.
rate[x]	0..1	Ratio | Interval<Quantity> | Quantity	Amount of medication per unit of time.