Dosage
Base StructureDefinition for Dosage Type: Indicates how the medication is/was taken or should be taken by the patient.
Complex data type in FHIR R4. Maturity: Not stated.
Elements
| Element | Type | Cardinality | Description |
|---|---|---|---|
id | string | 0..1 | Unique id for inter-element referencing |
extension | Extension | 0..* | Additional content defined by implementations |
modifierExtension | Extension | 0..* | Extensions that cannot be ignored even if unrecognized |
sequence | integer | 0..1 | The order of the dosage instructions |
text | string | 0..1 | Free text dosage instructions e.g. SIG |
additionalInstruction | CodeableConcept | 0..* | Supplemental instruction or warnings to the patient - e.g. "with meals", "may cause drowsiness" |
patientInstruction | string | 0..1 | Patient or consumer oriented instructions |
timing | Timing | 0..1 | When medication should be administered |
asNeeded[x] | boolean, CodeableConcept | 0..1 | Take "as needed" (for x) |
site | CodeableConcept | 0..1 | Body site to administer to |
route | CodeableConcept | 0..1 | How drug should enter body |
method | CodeableConcept | 0..1 | Technique for administering medication |
doseAndRate | Element | 0..* | Amount of medication administered |
maxDosePerPeriod | Ratio | 0..1 | Upper limit on medication per unit of time |
maxDosePerAdministration | Quantity | 0..1 | Upper limit on medication per administration |
maxDosePerLifetime | Quantity | 0..1 | Upper limit on medication per lifetime of the patient |
Reference
Official FHIR R4 specification: Dosage.