Quantity
Quantity
activeComplex Type8 elementsv4.0.1
Base StructureDefinition for Quantity Type: A measured amount (or an amount that can potentially be measured). Note that measured amounts include amounts that are not precisely quantified, including amounts involving arbitrary units and floating currencies.
Metadata
hl7.org/fhir- Canonical URL
- http://hl7.org/fhir/StructureDefinition/Quantity
- ID
- Quantity
- Type
- Base Definition
- Derivation
- specialization
- Publisher
- HL7 FHIR Standard
- Version
- 4.0.1
- Purpose
- Need to able to capture all sorts of measured values, even if the measured value are not precisely quantified. Values include exact measures such as 3.51g, customary units such as 3 tablets, and currencies such as $100.32USD.
| Path | Card. | Type | Description |
|---|---|---|---|
Quantity | 0..* | A measured or measurable amount | |
id | 0..1 | string | Unique id for inter-element referencing |
extension | 0..* | Additional content defined by implementations | |
value | 0..1 | decimal | Numerical value (with implicit precision) |
comparator | 0..1 | code | < | <= | >= | > - how to understand the valuerequired: quantity-comparator |
unit | 0..1 | string | Unit representation |
system | 0..1 | uri | System that defines coded unit form |
code | 0..1 | code | Coded form of the unit |