CH EMED EPR
3.0.0 - trial-use
CH EMED EPR
3.0.0 - trial-use
This page is part of the FHIR eMedication exchange formats for the implementation effort of CARA within its EPR community (v3.0.0: STU3) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions
| Official URL: http://fhir.ch/ig/ch-emed-epr/StructureDefinition/ch-emed-epr-time-quantity | Version: 3.0.0 | |||
| Draft as of 2026-02-11 | Computable Name: CHEMEDEPRTimeQuantity | |||
Copyright/Legal: CC0-1.0 |
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A quantity with a time unit (a duration)
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Quantity |
C | 0..* | CHCoreQuantityWithEmedUnits | A fixed quantity (no comparator) Constraints: qty-3, sqty-1 |
  id |
D | 0..1 | string | ✕ This element is not supported |
 extension |
D | 0..* | Extension | ✕ This element is not supported Slice: Unordered, Open by value:url |
| value |
ΣC | 1..1 | decimal | Numerical value (with implicit precision) Constraints: time-quantity-strict-positive, time-quantity-only-integer |
| unit |
Σ | 1..1 | string | Unit representation |
| system |
ΣC | 1..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org |
 code |
Σ | 1..1 | code | Coded form of the unit Binding: Time Quantity Unit Codes (required) |
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Quantity.code | Base | required | Time Quantity Unit Codes | 📦3.0.0 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
| qty-3 | error | Quantity | If a code for the unit is present, the system SHALL also be present |
code.empty() or system.exists()
|
| sqty-1 | error | Quantity | The comparator is not used on a SimpleQuantity |
comparator.empty()
|
| time-quantity-only-integer | error | Quantity.value | A time quantity shall only have an integer value |
$this.toString().convertsToInteger()
|
| time-quantity-strict-positive | error | Quantity.value | A time quantity shall have a strictly positive value |
$this > 0
|
This structure is derived from CHCoreQuantityWithEmedUnits
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Quantity |
CHCoreQuantityWithEmedUnits | |||
| id |
D | 0..1 | string | ✕ This element is not supported |
| extension |
D | 0..* | Extension | ✕ This element is not supported |
| value |
C | 1..1 | decimal | Numerical value (with implicit precision) Constraints: time-quantity-strict-positive, time-quantity-only-integer |
| comparator |
0..0 | code | < | <= | >= | > - how to understand the value | |
| system |
1..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org | |
| code |
1..1 | code | Coded form of the unit Binding: Time Quantity Unit Codes (required) | |
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Quantity.code | Base | required | Time Quantity Unit Codes | 📦3.0.0 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| time-quantity-only-integer | error | Quantity.value | A time quantity shall only have an integer value |
$this.toString().convertsToInteger()
|
| time-quantity-strict-positive | error | Quantity.value | A time quantity shall have a strictly positive value |
$this > 0
|
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Quantity |
C | 0..* | CHCoreQuantityWithEmedUnits | A fixed quantity (no comparator) Constraints: qty-3, sqty-1 |
| id |
D | 0..1 | string | ✕ This element is not supported |
| extension |
D | 0..* | Extension | ✕ This element is not supported Slice: Unordered, Open by value:url |
| value |
ΣC | 1..1 | decimal | Numerical value (with implicit precision) Constraints: time-quantity-strict-positive, time-quantity-only-integer |
| unit |
Σ | 1..1 | string | Unit representation |
| system |
ΣC | 1..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org |
| code |
Σ | 1..1 | code | Coded form of the unit Binding: Time Quantity Unit Codes (required) |
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Quantity.code | Base | required | Time Quantity Unit Codes | 📦3.0.0 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
| qty-3 | error | Quantity | If a code for the unit is present, the system SHALL also be present |
code.empty() or system.exists()
|
| sqty-1 | error | Quantity | The comparator is not used on a SimpleQuantity |
comparator.empty()
|
| time-quantity-only-integer | error | Quantity.value | A time quantity shall only have an integer value |
$this.toString().convertsToInteger()
|
| time-quantity-strict-positive | error | Quantity.value | A time quantity shall have a strictly positive value |
$this > 0
|
This structure is derived from CHCoreQuantityWithEmedUnits
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Quantity |
C | 0..* | CHCoreQuantityWithEmedUnits | A fixed quantity (no comparator) Constraints: qty-3, sqty-1 |
| id |
D | 0..1 | string | ✕ This element is not supported |
| extension |
D | 0..* | Extension | ✕ This element is not supported Slice: Unordered, Open by value:url |
| value |
ΣC | 1..1 | decimal | Numerical value (with implicit precision) Constraints: time-quantity-strict-positive, time-quantity-only-integer |
| unit |
Σ | 1..1 | string | Unit representation |
| system |
ΣC | 1..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org |
| code |
Σ | 1..1 | code | Coded form of the unit Binding: Time Quantity Unit Codes (required) |
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Quantity.code | Base | required | Time Quantity Unit Codes | 📦3.0.0 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
| qty-3 | error | Quantity | If a code for the unit is present, the system SHALL also be present |
code.empty() or system.exists()
|
| sqty-1 | error | Quantity | The comparator is not used on a SimpleQuantity |
comparator.empty()
|
| time-quantity-only-integer | error | Quantity.value | A time quantity shall only have an integer value |
$this.toString().convertsToInteger()
|
| time-quantity-strict-positive | error | Quantity.value | A time quantity shall have a strictly positive value |
$this > 0
|
Differential View
This structure is derived from CHCoreQuantityWithEmedUnits
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Quantity |
CHCoreQuantityWithEmedUnits | |||
| id |
D | 0..1 | string | ✕ This element is not supported |
| extension |
D | 0..* | Extension | ✕ This element is not supported |
| value |
C | 1..1 | decimal | Numerical value (with implicit precision) Constraints: time-quantity-strict-positive, time-quantity-only-integer |
| comparator |
0..0 | code | < | <= | >= | > - how to understand the value | |
| system |
1..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org | |
| code |
1..1 | code | Coded form of the unit Binding: Time Quantity Unit Codes (required) | |
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Quantity.code | Base | required | Time Quantity Unit Codes | 📦3.0.0 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| time-quantity-only-integer | error | Quantity.value | A time quantity shall only have an integer value |
$this.toString().convertsToInteger()
|
| time-quantity-strict-positive | error | Quantity.value | A time quantity shall have a strictly positive value |
$this > 0
|
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Quantity |
C | 0..* | CHCoreQuantityWithEmedUnits | A fixed quantity (no comparator) Constraints: qty-3, sqty-1 |
| id |
D | 0..1 | string | ✕ This element is not supported |
| extension |
D | 0..* | Extension | ✕ This element is not supported Slice: Unordered, Open by value:url |
| value |
ΣC | 1..1 | decimal | Numerical value (with implicit precision) Constraints: time-quantity-strict-positive, time-quantity-only-integer |
| unit |
Σ | 1..1 | string | Unit representation |
| system |
ΣC | 1..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org |
| code |
Σ | 1..1 | code | Coded form of the unit Binding: Time Quantity Unit Codes (required) |
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Quantity.code | Base | required | Time Quantity Unit Codes | 📦3.0.0 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
| qty-3 | error | Quantity | If a code for the unit is present, the system SHALL also be present |
code.empty() or system.exists()
|
| sqty-1 | error | Quantity | The comparator is not used on a SimpleQuantity |
comparator.empty()
|
| time-quantity-only-integer | error | Quantity.value | A time quantity shall only have an integer value |
$this.toString().convertsToInteger()
|
| time-quantity-strict-positive | error | Quantity.value | A time quantity shall have a strictly positive value |
$this > 0
|
This structure is derived from CHCoreQuantityWithEmedUnits
Other representations of profile: CSV, Excel, Schematron