CH Core (R4), published by HL7 Switzerland. This guide is not an authorized publication; it is the continuous build for version 5.0.0-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-core/ and changes regularly. See the Directory of published versions

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Data Type Profile: CH Core Dosage

Dosage for medication use cases

Usage:

• Use this DataType Constraint: CH Core MedicationDispense, CH Core MedicationRequest and CH Core MedicationStatement

Formal Views of Profile Content

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

• Differential Table
• Key Elements Table
• Snapshot Table
• Statistics/References
• All

This structure is derived from Dosage

Name	Flags	Card.	Type	Description & Constraints
Dosage		0..*	Dosage	CH Core Dosage
route		0..1	CodeableConcept	How drug should enter body Binding: EDQM - RouteOfAdministration (preferred)
method		0..1	CodeableConcept	Technique for administering medication Binding: EDQM - Administration Method (preferred)
doseAndRate
dose[x]		0..1		Amount of medication per dose
doseRange			Range(CHCoreRangeWithEmedUnits)
doseQuantity			Quantity(CHCoreQuantityWithEmedUnits)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Dosage.route	preferred	RouteOfAdministrationEDQM http://fhir.ch/ig/ch-term/ValueSet/edqm-routeofadministration
Dosage.method	preferred	AdministrationMethodEDQM http://fhir.ch/ig/ch-term/ValueSet/edqm-administrationmethod

Name	Flags	Card.	Type	Description & Constraints
Dosage		0..*	Dosage	CH Core Dosage
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
route	Σ	0..1	CodeableConcept	How drug should enter body Binding: EDQM - RouteOfAdministration (preferred)
method	Σ	0..1	CodeableConcept	Technique for administering medication Binding: EDQM - Administration Method (preferred)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Dosage.route	preferred	RouteOfAdministrationEDQM http://fhir.ch/ig/ch-term/ValueSet/edqm-routeofadministration
Dosage.method	preferred	AdministrationMethodEDQM http://fhir.ch/ig/ch-term/ValueSet/edqm-administrationmethod

Constraints

Id	Grade	Path(s)	Details	Requirements
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()

Name	Flags	Card.	Type	Description & Constraints
Dosage		0..*	Dosage	CH Core Dosage
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
sequence	Σ	0..1	integer	The order of the dosage instructions
text	Σ	0..1	string	Free text dosage instructions e.g. SIG
additionalInstruction	Σ	0..*	CodeableConcept	Supplemental instruction or warnings to the patient - e.g. "with meals", "may cause drowsiness" Binding: SNOMEDCTAdditionalDosageInstructions (example): A coded concept identifying additional instructions such as "take with water" or "avoid operating heavy machinery".
patientInstruction	Σ	0..1	string	Patient or consumer oriented instructions
timing	Σ	0..1	Timing	When medication should be administered
asNeeded[x]	Σ	0..1		Take "as needed" (for x) Binding: SNOMEDCTMedicationAsNeededReasonCodes (example): A coded concept identifying the precondition that should be met or evaluated prior to consuming or administering a medication dose. For example "pain", "30 minutes prior to sexual intercourse", "on flare-up" etc.
asNeededBoolean			boolean
asNeededCodeableConcept			CodeableConcept
site	Σ	0..1	CodeableConcept	Body site to administer to Binding: SNOMEDCTAnatomicalStructureForAdministrationSiteCodes (example): A coded concept describing the site location the medicine enters into or onto the body.
route	Σ	0..1	CodeableConcept	How drug should enter body Binding: EDQM - RouteOfAdministration (preferred)
method	Σ	0..1	CodeableConcept	Technique for administering medication Binding: EDQM - Administration Method (preferred)
doseAndRate	Σ	0..*	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]	Σ	0..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)
maxDosePerPeriod	Σ	0..1	Ratio	Upper limit on medication per unit of time
maxDosePerAdministration	Σ	0..1	SimpleQuantity	Upper limit on medication per administration
maxDosePerLifetime	Σ	0..1	SimpleQuantity	Upper limit on medication per lifetime of the patient
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Dosage.additionalInstruction	example	SNOMEDCTAdditionalDosageInstructions http://hl7.org/fhir/ValueSet/additional-instruction-codes from the FHIR Standard
Dosage.asNeeded[x]	example	SNOMEDCTMedicationAsNeededReasonCodes http://hl7.org/fhir/ValueSet/medication-as-needed-reason from the FHIR Standard
Dosage.site	example	SNOMEDCTAnatomicalStructureForAdministrationSiteCodes http://hl7.org/fhir/ValueSet/approach-site-codes from the FHIR Standard
Dosage.route	preferred	RouteOfAdministrationEDQM http://fhir.ch/ig/ch-term/ValueSet/edqm-routeofadministration
Dosage.method	preferred	AdministrationMethodEDQM http://fhir.ch/ig/ch-term/ValueSet/edqm-administrationmethod
Dosage.doseAndRate.type	example	DoseAndRateType http://hl7.org/fhir/ValueSet/dose-rate-type from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
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()

This structure is derived from Dosage

Summary

Structures

This structure refers to these other structures:

• CH Core Range with EMED Units (http://fhir.ch/ig/ch-core/StructureDefinition/ch-core-range-with-emed-units)
• CH Core Quantity with EMED Units (http://fhir.ch/ig/ch-core/StructureDefinition/ch-core-quantity-with-emed-units)

Differential View

This structure is derived from Dosage

Name	Flags	Card.	Type	Description & Constraints
Dosage		0..*	Dosage	CH Core Dosage
route		0..1	CodeableConcept	How drug should enter body Binding: EDQM - RouteOfAdministration (preferred)
method		0..1	CodeableConcept	Technique for administering medication Binding: EDQM - Administration Method (preferred)
doseAndRate
dose[x]		0..1		Amount of medication per dose
doseRange			Range(CHCoreRangeWithEmedUnits)
doseQuantity			Quantity(CHCoreQuantityWithEmedUnits)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Dosage.route	preferred	RouteOfAdministrationEDQM http://fhir.ch/ig/ch-term/ValueSet/edqm-routeofadministration
Dosage.method	preferred	AdministrationMethodEDQM http://fhir.ch/ig/ch-term/ValueSet/edqm-administrationmethod

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
Dosage		0..*	Dosage	CH Core Dosage
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
route	Σ	0..1	CodeableConcept	How drug should enter body Binding: EDQM - RouteOfAdministration (preferred)
method	Σ	0..1	CodeableConcept	Technique for administering medication Binding: EDQM - Administration Method (preferred)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Dosage.route	preferred	RouteOfAdministrationEDQM http://fhir.ch/ig/ch-term/ValueSet/edqm-routeofadministration
Dosage.method	preferred	AdministrationMethodEDQM http://fhir.ch/ig/ch-term/ValueSet/edqm-administrationmethod

Constraints

Id	Grade	Path(s)	Details	Requirements
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()

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
Dosage		0..*	Dosage	CH Core Dosage
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
sequence	Σ	0..1	integer	The order of the dosage instructions
text	Σ	0..1	string	Free text dosage instructions e.g. SIG
additionalInstruction	Σ	0..*	CodeableConcept	Supplemental instruction or warnings to the patient - e.g. "with meals", "may cause drowsiness" Binding: SNOMEDCTAdditionalDosageInstructions (example): A coded concept identifying additional instructions such as "take with water" or "avoid operating heavy machinery".
patientInstruction	Σ	0..1	string	Patient or consumer oriented instructions
timing	Σ	0..1	Timing	When medication should be administered
asNeeded[x]	Σ	0..1		Take "as needed" (for x) Binding: SNOMEDCTMedicationAsNeededReasonCodes (example): A coded concept identifying the precondition that should be met or evaluated prior to consuming or administering a medication dose. For example "pain", "30 minutes prior to sexual intercourse", "on flare-up" etc.
asNeededBoolean			boolean
asNeededCodeableConcept			CodeableConcept
site	Σ	0..1	CodeableConcept	Body site to administer to Binding: SNOMEDCTAnatomicalStructureForAdministrationSiteCodes (example): A coded concept describing the site location the medicine enters into or onto the body.
route	Σ	0..1	CodeableConcept	How drug should enter body Binding: EDQM - RouteOfAdministration (preferred)
method	Σ	0..1	CodeableConcept	Technique for administering medication Binding: EDQM - Administration Method (preferred)
doseAndRate	Σ	0..*	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]	Σ	0..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)
maxDosePerPeriod	Σ	0..1	Ratio	Upper limit on medication per unit of time
maxDosePerAdministration	Σ	0..1	SimpleQuantity	Upper limit on medication per administration
maxDosePerLifetime	Σ	0..1	SimpleQuantity	Upper limit on medication per lifetime of the patient
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Dosage.additionalInstruction	example	SNOMEDCTAdditionalDosageInstructions http://hl7.org/fhir/ValueSet/additional-instruction-codes from the FHIR Standard
Dosage.asNeeded[x]	example	SNOMEDCTMedicationAsNeededReasonCodes http://hl7.org/fhir/ValueSet/medication-as-needed-reason from the FHIR Standard
Dosage.site	example	SNOMEDCTAnatomicalStructureForAdministrationSiteCodes http://hl7.org/fhir/ValueSet/approach-site-codes from the FHIR Standard
Dosage.route	preferred	RouteOfAdministrationEDQM http://fhir.ch/ig/ch-term/ValueSet/edqm-routeofadministration
Dosage.method	preferred	AdministrationMethodEDQM http://fhir.ch/ig/ch-term/ValueSet/edqm-administrationmethod
Dosage.doseAndRate.type	example	DoseAndRateType http://hl7.org/fhir/ValueSet/dose-rate-type from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
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()

This structure is derived from Dosage

Summary

Structures

This structure refers to these other structures:

• CH Core Range with EMED Units (http://fhir.ch/ig/ch-core/StructureDefinition/ch-core-range-with-emed-units)
• CH Core Quantity with EMED Units (http://fhir.ch/ig/ch-core/StructureDefinition/ch-core-quantity-with-emed-units)

Other representations of profile: CSV, Excel, Schematron