CH EMED (R4)
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CH EMED (R4), published by HL7 Switzerland. This guide is not an authorized publication; it is the continuous build for version 6.0.0-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7ch/ch-emed/ and changes regularly. See the Directory of published versions

Data Type Profile: CH EMED Dosage Split

Official URL: http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-dosage-split Version: 6.0.0-ci-build
Active as of 2025-11-06 Computable Name: CHEMEDDosageSplit

Copyright/Legal: CC0-1.0

Definition of the split dosage (used in MedicationStatement / MedicationDispense / MedicationRequest)

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
.. Dosage 0..* CHCoreDosage CH EMED Dosage Split (MedicationStatement / MedicationDispense / MedicationRequest)
... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
... sequence ΣC 1..1 integer The order of the dosage instructions
Constraints: ch-dosage-2
... timing Σ 1..1 Timing When medication should be administered
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... repeat ΣC 1..1 Element When the event is to occur
Constraints: tim-1, tim-2, tim-4, tim-5, tim-6, tim-7, tim-8, tim-9, tim-10
..... when SΣC 1..* code Code for time period of occurrence
Binding: EventTiming (required): Real world event relating to the schedule.
Constraints: ch-emed-event-timing
.... dose[x] SΣ 1..1 Amount of medication per dose
..... doseRange Range(CHCoreRangeWithEmedUnits)
..... doseQuantity Quantity(CHCoreQuantityWithEmedUnits)

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Dosage.timing.repeat.​when Base required EventTiming 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
ch-dosage-2 error Dosage.sequence The sequence number must be greater than 1 $this > 1
ch-emed-event-timing warning Dosage.timing.repeat.when For the representation of the time of administration according to the 1-1-1-1 scheme, the values MORN-NOON-EVE-NIGHT are highly recommended. $this='MORN' or $this='NOON' or $this='EVE' or $this='NIGHT'
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()
tim-1 error Dosage.timing.repeat if there's a duration, there needs to be duration units duration.empty() or durationUnit.exists()
tim-2 error Dosage.timing.repeat if there's a period, there needs to be period units period.empty() or periodUnit.exists()
tim-4 error Dosage.timing.repeat duration SHALL be a non-negative value duration.exists() implies duration >= 0
tim-5 error Dosage.timing.repeat period SHALL be a non-negative value period.exists() implies period >= 0
tim-6 error Dosage.timing.repeat If there's a periodMax, there must be a period periodMax.empty() or period.exists()
tim-7 error Dosage.timing.repeat If there's a durationMax, there must be a duration durationMax.empty() or duration.exists()
tim-8 error Dosage.timing.repeat If there's a countMax, there must be a count countMax.empty() or count.exists()
tim-9 error Dosage.timing.repeat If there's an offset, there must be a when (and not C, CM, CD, CV) offset.empty() or (when.exists() and ((when in ('C' | 'CM' | 'CD' | 'CV')).not()))
tim-10 error Dosage.timing.repeat If there's a timeOfDay, there cannot be a when, or vice versa timeOfDay.empty() or when.empty()

This structure is derived from CHCoreDosage

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Dosage 0..* CHCoreDosage CH EMED Dosage Split (MedicationStatement / MedicationDispense / MedicationRequest)
... sequence C 1..1 integer The order of the dosage instructions
Constraints: ch-dosage-2
... text 0..0 Free text dosage instructions e.g. SIG
... additionalInstruction 0..0 Supplemental instruction or warnings to the patient - e.g. "with meals", "may cause drowsiness"
... timing 1..1 Timing When medication should be administered
.... repeat 1..1 Element When the event is to occur
..... bounds[x] 0..0 Length/Range of lengths, or (Start and/or end) limits
..... when SC 1..* code Code for time period of occurrence
Constraints: ch-emed-event-timing
... asNeeded[x] 0..0 Take "as needed" (for x)
... site 0..0 Body site to administer to
... route 0..0 How drug should enter body
... method 0..0 Technique for administering medication
... doseAndRate 1..1 Element Amount of medication administered
.... dose[x] S 1..1 CHCoreRangeWithEmedUnits, CHCoreQuantityWithEmedUnits Amount of medication per dose
... maxDosePerPeriod 0..0 Upper limit on medication per unit of time
... maxDosePerAdministration 0..0 Upper limit on medication per administration
... maxDosePerLifetime 0..0 Upper limit on medication per lifetime of the patient

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression
ch-dosage-2 error Dosage.sequence The sequence number must be greater than 1 $this > 1
ch-emed-event-timing warning Dosage.timing.repeat.when For the representation of the time of administration according to the 1-1-1-1 scheme, the values MORN-NOON-EVE-NIGHT are highly recommended. $this='MORN' or $this='NOON' or $this='EVE' or $this='NIGHT'
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Dosage 0..* CHCoreDosage CH EMED Dosage Split (MedicationStatement / MedicationDispense / MedicationRequest)
... id 0..1 string Unique id for inter-element referencing
... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
... timing Σ 1..1 Timing When medication should be administered
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... event Σ 0..* dateTime When the event occurs
.... repeat ΣC 1..1 Element When the event is to occur
Constraints: tim-1, tim-2, tim-4, tim-5, tim-6, tim-7, tim-8, tim-9, tim-10
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
..... count Σ 0..1 positiveInt Number of times to repeat
..... countMax Σ 0..1 positiveInt Maximum number of times to repeat
..... duration Σ 0..1 decimal How long when it happens
..... durationMax Σ 0..1 decimal How long when it happens (Max)
..... durationUnit Σ 0..1 code s | min | h | d | wk | mo | a - unit of time (UCUM)
Binding: UnitsOfTime (required): A unit of time (units from UCUM).
..... frequency Σ 0..1 positiveInt Event occurs frequency times per period
..... frequencyMax Σ 0..1 positiveInt Event occurs up to frequencyMax times per period
..... period Σ 0..1 decimal Event occurs frequency times per period
..... periodMax Σ 0..1 decimal Upper limit of period (3-4 hours)
..... periodUnit Σ 0..1 code s | min | h | d | wk | mo | a - unit of time (UCUM)
Binding: UnitsOfTime (required): A unit of time (units from UCUM).
..... dayOfWeek Σ 0..* code mon | tue | wed | thu | fri | sat | sun
Binding: DaysOfWeek (required)
..... timeOfDay Σ 0..* time Time of day for action
..... when SΣC 1..* code Code for time period of occurrence
Binding: EventTiming (required): Real world event relating to the schedule.
Constraints: ch-emed-event-timing
..... offset Σ 0..1 unsignedInt Minutes from event (before or after)
.... code Σ 0..1 CodeableConcept BID | TID | QID | AM | PM | QD | QOD | +
Binding: TimingAbbreviation (preferred): Code for a known / defined timing pattern.
... doseAndRate Σ 1..1 Element Amount of medication administered
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... type Σ 0..1 CodeableConcept The kind of dose or rate specified
Binding: DoseAndRateType (example): The kind of dose or rate specified.
.... dose[x] SΣ 1..1 Amount of medication per dose
..... doseRange Range(CHCoreRangeWithEmedUnits)
..... doseQuantity Quantity(CHCoreQuantityWithEmedUnits)
.... rate[x] Σ 0..1 Amount of medication per unit of time
..... rateRatio Ratio
..... rateRange Range
..... rateQuantity Quantity(SimpleQuantity)

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Dosage.timing.repeat.​durationUnit Base required UnitsOfTime 📍4.0.1 FHIR Std.
Dosage.timing.repeat.​periodUnit Base required UnitsOfTime 📍4.0.1 FHIR Std.
Dosage.timing.repeat.​dayOfWeek Base required DaysOfWeek 📍4.0.1 FHIR Std.
Dosage.timing.repeat.​when Base required EventTiming 📍4.0.1 FHIR Std.
Dosage.timing.code Base preferred TimingAbbreviation 📍4.0.1 FHIR Std.
Dosage.doseAndRate.type Base example DoseAndRateType 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
ch-dosage-2 error Dosage.sequence The sequence number must be greater than 1 $this > 1
ch-emed-event-timing warning Dosage.timing.repeat.when For the representation of the time of administration according to the 1-1-1-1 scheme, the values MORN-NOON-EVE-NIGHT are highly recommended. $this='MORN' or $this='NOON' or $this='EVE' or $this='NIGHT'
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()
tim-1 error Dosage.timing.repeat if there's a duration, there needs to be duration units duration.empty() or durationUnit.exists()
tim-2 error Dosage.timing.repeat if there's a period, there needs to be period units period.empty() or periodUnit.exists()
tim-4 error Dosage.timing.repeat duration SHALL be a non-negative value duration.exists() implies duration >= 0
tim-5 error Dosage.timing.repeat period SHALL be a non-negative value period.exists() implies period >= 0
tim-6 error Dosage.timing.repeat If there's a periodMax, there must be a period periodMax.empty() or period.exists()
tim-7 error Dosage.timing.repeat If there's a durationMax, there must be a duration durationMax.empty() or duration.exists()
tim-8 error Dosage.timing.repeat If there's a countMax, there must be a count countMax.empty() or count.exists()
tim-9 error Dosage.timing.repeat If there's an offset, there must be a when (and not C, CM, CD, CV) offset.empty() or (when.exists() and ((when in ('C' | 'CM' | 'CD' | 'CV')).not()))
tim-10 error Dosage.timing.repeat If there's a timeOfDay, there cannot be a when, or vice versa timeOfDay.empty() or when.empty()

This structure is derived from CHCoreDosage

Summary

Mandatory: 6 elements
Must-Support: 2 elements
Prohibited: 11 elements

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Dosage 0..* CHCoreDosage CH EMED Dosage Split (MedicationStatement / MedicationDispense / MedicationRequest)
... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
... sequence ΣC 1..1 integer The order of the dosage instructions
Constraints: ch-dosage-2
... timing Σ 1..1 Timing When medication should be administered
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... repeat ΣC 1..1 Element When the event is to occur
Constraints: tim-1, tim-2, tim-4, tim-5, tim-6, tim-7, tim-8, tim-9, tim-10
..... when SΣC 1..* code Code for time period of occurrence
Binding: EventTiming (required): Real world event relating to the schedule.
Constraints: ch-emed-event-timing
.... dose[x] SΣ 1..1 Amount of medication per dose
..... doseRange Range(CHCoreRangeWithEmedUnits)
..... doseQuantity Quantity(CHCoreQuantityWithEmedUnits)

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Dosage.timing.repeat.​when Base required EventTiming 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
ch-dosage-2 error Dosage.sequence The sequence number must be greater than 1 $this > 1
ch-emed-event-timing warning Dosage.timing.repeat.when For the representation of the time of administration according to the 1-1-1-1 scheme, the values MORN-NOON-EVE-NIGHT are highly recommended. $this='MORN' or $this='NOON' or $this='EVE' or $this='NIGHT'
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()
tim-1 error Dosage.timing.repeat if there's a duration, there needs to be duration units duration.empty() or durationUnit.exists()
tim-2 error Dosage.timing.repeat if there's a period, there needs to be period units period.empty() or periodUnit.exists()
tim-4 error Dosage.timing.repeat duration SHALL be a non-negative value duration.exists() implies duration >= 0
tim-5 error Dosage.timing.repeat period SHALL be a non-negative value period.exists() implies period >= 0
tim-6 error Dosage.timing.repeat If there's a periodMax, there must be a period periodMax.empty() or period.exists()
tim-7 error Dosage.timing.repeat If there's a durationMax, there must be a duration durationMax.empty() or duration.exists()
tim-8 error Dosage.timing.repeat If there's a countMax, there must be a count countMax.empty() or count.exists()
tim-9 error Dosage.timing.repeat If there's an offset, there must be a when (and not C, CM, CD, CV) offset.empty() or (when.exists() and ((when in ('C' | 'CM' | 'CD' | 'CV')).not()))
tim-10 error Dosage.timing.repeat If there's a timeOfDay, there cannot be a when, or vice versa timeOfDay.empty() or when.empty()

Differential View

This structure is derived from CHCoreDosage

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Dosage 0..* CHCoreDosage CH EMED Dosage Split (MedicationStatement / MedicationDispense / MedicationRequest)
... sequence C 1..1 integer The order of the dosage instructions
Constraints: ch-dosage-2
... text 0..0 Free text dosage instructions e.g. SIG
... additionalInstruction 0..0 Supplemental instruction or warnings to the patient - e.g. "with meals", "may cause drowsiness"
... timing 1..1 Timing When medication should be administered
.... repeat 1..1 Element When the event is to occur
..... bounds[x] 0..0 Length/Range of lengths, or (Start and/or end) limits
..... when SC 1..* code Code for time period of occurrence
Constraints: ch-emed-event-timing
... asNeeded[x] 0..0 Take "as needed" (for x)
... site 0..0 Body site to administer to
... route 0..0 How drug should enter body
... method 0..0 Technique for administering medication
... doseAndRate 1..1 Element Amount of medication administered
.... dose[x] S 1..1 CHCoreRangeWithEmedUnits, CHCoreQuantityWithEmedUnits Amount of medication per dose
... maxDosePerPeriod 0..0 Upper limit on medication per unit of time
... maxDosePerAdministration 0..0 Upper limit on medication per administration
... maxDosePerLifetime 0..0 Upper limit on medication per lifetime of the patient

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression
ch-dosage-2 error Dosage.sequence The sequence number must be greater than 1 $this > 1
ch-emed-event-timing warning Dosage.timing.repeat.when For the representation of the time of administration according to the 1-1-1-1 scheme, the values MORN-NOON-EVE-NIGHT are highly recommended. $this='MORN' or $this='NOON' or $this='EVE' or $this='NIGHT'

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Dosage 0..* CHCoreDosage CH EMED Dosage Split (MedicationStatement / MedicationDispense / MedicationRequest)
... id 0..1 string Unique id for inter-element referencing
... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
... timing Σ 1..1 Timing When medication should be administered
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... event Σ 0..* dateTime When the event occurs
.... repeat ΣC 1..1 Element When the event is to occur
Constraints: tim-1, tim-2, tim-4, tim-5, tim-6, tim-7, tim-8, tim-9, tim-10
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
..... count Σ 0..1 positiveInt Number of times to repeat
..... countMax Σ 0..1 positiveInt Maximum number of times to repeat
..... duration Σ 0..1 decimal How long when it happens
..... durationMax Σ 0..1 decimal How long when it happens (Max)
..... durationUnit Σ 0..1 code s | min | h | d | wk | mo | a - unit of time (UCUM)
Binding: UnitsOfTime (required): A unit of time (units from UCUM).
..... frequency Σ 0..1 positiveInt Event occurs frequency times per period
..... frequencyMax Σ 0..1 positiveInt Event occurs up to frequencyMax times per period
..... period Σ 0..1 decimal Event occurs frequency times per period
..... periodMax Σ 0..1 decimal Upper limit of period (3-4 hours)
..... periodUnit Σ 0..1 code s | min | h | d | wk | mo | a - unit of time (UCUM)
Binding: UnitsOfTime (required): A unit of time (units from UCUM).
..... dayOfWeek Σ 0..* code mon | tue | wed | thu | fri | sat | sun
Binding: DaysOfWeek (required)
..... timeOfDay Σ 0..* time Time of day for action
..... when SΣC 1..* code Code for time period of occurrence
Binding: EventTiming (required): Real world event relating to the schedule.
Constraints: ch-emed-event-timing
..... offset Σ 0..1 unsignedInt Minutes from event (before or after)
.... code Σ 0..1 CodeableConcept BID | TID | QID | AM | PM | QD | QOD | +
Binding: TimingAbbreviation (preferred): Code for a known / defined timing pattern.
... doseAndRate Σ 1..1 Element Amount of medication administered
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... type Σ 0..1 CodeableConcept The kind of dose or rate specified
Binding: DoseAndRateType (example): The kind of dose or rate specified.
.... dose[x] SΣ 1..1 Amount of medication per dose
..... doseRange Range(CHCoreRangeWithEmedUnits)
..... doseQuantity Quantity(CHCoreQuantityWithEmedUnits)
.... rate[x] Σ 0..1 Amount of medication per unit of time
..... rateRatio Ratio
..... rateRange Range
..... rateQuantity Quantity(SimpleQuantity)

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Dosage.timing.repeat.​durationUnit Base required UnitsOfTime 📍4.0.1 FHIR Std.
Dosage.timing.repeat.​periodUnit Base required UnitsOfTime 📍4.0.1 FHIR Std.
Dosage.timing.repeat.​dayOfWeek Base required DaysOfWeek 📍4.0.1 FHIR Std.
Dosage.timing.repeat.​when Base required EventTiming 📍4.0.1 FHIR Std.
Dosage.timing.code Base preferred TimingAbbreviation 📍4.0.1 FHIR Std.
Dosage.doseAndRate.type Base example DoseAndRateType 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
ch-dosage-2 error Dosage.sequence The sequence number must be greater than 1 $this > 1
ch-emed-event-timing warning Dosage.timing.repeat.when For the representation of the time of administration according to the 1-1-1-1 scheme, the values MORN-NOON-EVE-NIGHT are highly recommended. $this='MORN' or $this='NOON' or $this='EVE' or $this='NIGHT'
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()
tim-1 error Dosage.timing.repeat if there's a duration, there needs to be duration units duration.empty() or durationUnit.exists()
tim-2 error Dosage.timing.repeat if there's a period, there needs to be period units period.empty() or periodUnit.exists()
tim-4 error Dosage.timing.repeat duration SHALL be a non-negative value duration.exists() implies duration >= 0
tim-5 error Dosage.timing.repeat period SHALL be a non-negative value period.exists() implies period >= 0
tim-6 error Dosage.timing.repeat If there's a periodMax, there must be a period periodMax.empty() or period.exists()
tim-7 error Dosage.timing.repeat If there's a durationMax, there must be a duration durationMax.empty() or duration.exists()
tim-8 error Dosage.timing.repeat If there's a countMax, there must be a count countMax.empty() or count.exists()
tim-9 error Dosage.timing.repeat If there's an offset, there must be a when (and not C, CM, CD, CV) offset.empty() or (when.exists() and ((when in ('C' | 'CM' | 'CD' | 'CV')).not()))
tim-10 error Dosage.timing.repeat If there's a timeOfDay, there cannot be a when, or vice versa timeOfDay.empty() or when.empty()

This structure is derived from CHCoreDosage

Summary

Mandatory: 6 elements
Must-Support: 2 elements
Prohibited: 11 elements

 

Other representations of profile: CSV, Excel, Schematron