ISiK Medikation Implementierungsleitfaden
Version 6.0.0-rc - ballot

Data Type Profile: Medication Quantity

Official URL: https://gematik.de/fhir/isik/StructureDefinition/MedicationQuantity Version: 6.0.0-rc
Active as of 2026-04-02 Computable Name: MedicationQuantity

Quantity Datentyp der die Nutzung von UCUM vorgibt. Bei dimensionslosen Einheiten wie ‘Tablette’ wird ein code von ‘1’ erwartet, ‘Tablette’ kann als String in Unit hinterlegt werden.

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Quantity C 0..* SimpleQuantity A fixed quantity (no comparator)
Constraints: qty-3, sqty-1
... value SΣ 1..1 decimal Menge der Medikation
... unit SΣ 0..1 string Einheit der Medikation als String
... system SΣC 1..1 uri System der Einheit
Required Pattern: http://unitsofmeasure.org

doco Documentation for this format

Constraints

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())
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()

This structure is derived from SimpleQuantity

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Quantity SimpleQuantity
... value S 1..1 decimal Menge der Medikation
... unit S 0..1 string Einheit der Medikation als String
... system S 1..1 uri System der Einheit
Required Pattern: http://unitsofmeasure.org

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Quantity C 0..* SimpleQuantity A fixed quantity (no comparator)
Constraints: qty-3, sqty-1
... id 0..1 string Unique id for inter-element referencing
... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
... value SΣ 1..1 decimal Menge der Medikation
... system SΣC 1..1 uri System der Einheit
Required Pattern: http://unitsofmeasure.org
... code SΣ 1..1 code Code der Einheit

doco Documentation for this format

Constraints

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()
ElementShort descriptionNotes
Quantity.code Code der Einheit

Begründung des Must-Support: Zur Interpretation der Menge ist der Code erforderlich.
Quantity.system System der Einheit

fix: http://unitsofmeasure.org
Quantity.unit Einheit der Medikation als String

Begründung des Must-Support: Bereitstellung einer menschenlesbaren Darstellung der Einheit.
Quantity.value Menge der Medikation

Begründung des Must-Support: Basisinformation zur Medikation

This structure is derived from SimpleQuantity

Summary

Mandatory: 3 elements
Must-Support: 4 elements

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Quantity C 0..* SimpleQuantity A fixed quantity (no comparator)
Constraints: qty-3, sqty-1
... value SΣ 1..1 decimal Menge der Medikation
... unit SΣ 0..1 string Einheit der Medikation als String
... system SΣC 1..1 uri System der Einheit
Required Pattern: http://unitsofmeasure.org

doco Documentation for this format

Constraints

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())
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()

Differential View

This structure is derived from SimpleQuantity

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Quantity SimpleQuantity
... value S 1..1 decimal Menge der Medikation
... unit S 0..1 string Einheit der Medikation als String
... system S 1..1 uri System der Einheit
Required Pattern: http://unitsofmeasure.org

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Quantity C 0..* SimpleQuantity A fixed quantity (no comparator)
Constraints: qty-3, sqty-1
... id 0..1 string Unique id for inter-element referencing
... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
... value SΣ 1..1 decimal Menge der Medikation
... system SΣC 1..1 uri System der Einheit
Required Pattern: http://unitsofmeasure.org
... code SΣ 1..1 code Code der Einheit

doco Documentation for this format

Constraints

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()

This structure is derived from SimpleQuantity

Summary

Mandatory: 3 elements
Must-Support: 4 elements

 

Other representations of profile: CSV, Excel, Schematron