Cross-version Extension for R2.MedicationStatement.dosage for use in FHIR R4 - Definitions - FHIR Cross-Version Extensions package for FHIR R4 from FHIR R2 v0.0.1-snapshot-2

FHIR Cross-Version Extensions package for FHIR R4 from FHIR R2 - Version 0.0.1-snapshot-2. See the Directory of published versions

Extension: Ext_R2_MedicationStatement_dosage - Detailed Descriptions

Page standards status: Informative

Maturity Level: 0

Definitions for the ext-R2-MedicationStatement.dosage extension.

Differential Elements Table
Key Elements Table
Snapshot Elements Table

Guidance on how to interpret the contents of this table can be foundhere

0. Extension
Definition	Indicates how the medication is/was used by the patient.
Short	Details of how medication was taken
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..*
2. Extension.extension
Control	0..*
Slicing	This element introduces a set of slices on `Extension.extension`. The slices areUnordered and Closed, and can be differentiated using the following discriminators: value @ url
4. Extension.extension:text
Slice Name	text
Definition	Free text dosage information as reported about a patient's medication use. When coded dosage information is present, the free text may still be present for display to humans.
Short	Reported dosage information
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
6. Extension.extension:text.url
Control	1..1
Fixed Value	`text`
8. Extension.extension:text.value[x]
Definition	Free text dosage information as reported about a patient's medication use. When coded dosage information is present, the free text may still be present for display to humans.
Short	Reported dosage information
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Type	string
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Primitive Value	This primitive element may be present, or absent, or replaced by an extension
10. Extension.extension:timing
Slice Name	timing
Definition	The timing schedule for giving the medication to the patient. The Schedule data type allows many different expressions, for example. "Every 8 hours"; "Three times a day"; "1/2 an hour before breakfast for 10 days from 23-Dec 2011:"; "15 Oct 2013, 17 Oct 2013 and 1 Nov 2013".
Short	When/how often was medication taken
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
12. Extension.extension:timing.url
Control	1..1
Fixed Value	`timing`
14. Extension.extension:timing.value[x]
Definition	The timing schedule for giving the medication to the patient. The Schedule data type allows many different expressions, for example. "Every 8 hours"; "Three times a day"; "1/2 an hour before breakfast for 10 days from 23-Dec 2011:"; "15 Oct 2013, 17 Oct 2013 and 1 Nov 2013".
Short	When/how often was medication taken
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Type	Timing
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
16. Extension.extension:asNeeded[x]
Slice Name	asNeeded[x]
Definition	Indicates whether the Medication is only taken when needed within a specific dosing schedule (Boolean option), or it indicates the precondition for taking the Medication (CodeableConcept). Specifically if 'boolean' datatype is selected, then the following logic applies: If set to True, this indicates that the medication is only taken when needed, within the specified schedule.
Short	Take "as needed" (for x)
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
18. Extension.extension:asNeeded[x].url
Control	1..1
Fixed Value	`asNeeded[x]`
20. Extension.extension:asNeeded[x].value[x]
Definition	Indicates whether the Medication is only taken when needed within a specific dosing schedule (Boolean option), or it indicates the precondition for taking the Medication (CodeableConcept). Specifically if 'boolean' datatype is selected, then the following logic applies: If set to True, this indicates that the medication is only taken when needed, within the specified schedule.
Short	Take "as needed" (for x)
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Type	Choice of: boolean, CodeableConcept
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Primitive Value	This primitive element may be present, or absent, or replaced by an extension
22. Extension.extension:site[x]
Slice Name	site[x]
Definition	A coded specification of or a reference to the anatomic site where the medication first enters the body.
Short	Where (on body) medication is/was administered
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
24. Extension.extension:site[x].url
Control	1..1
Fixed Value	`site[x]`
26. Extension.extension:site[x].value[x]
Definition	A coded specification of or a reference to the anatomic site where the medication first enters the body.
Short	Where (on body) medication is/was administered
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Binding	For example codes, see R2_approach_site_codes_for_R4 (0.0.1-snapshot-2) (example to `http://hl7.org/fhir/1.0/ValueSet/R2-approach-site-codes-for-R4\|0.0.1-snapshot-2`) A coded concept describing the site location the medicine enters into or onto the body.
Type	Choice of: CodeableConcept, Reference
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
28. Extension.extension:route
Slice Name	route
Definition	A code specifying the route or physiological path of administration of a therapeutic agent into or onto a subject.
Short	How the medication entered the body
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
30. Extension.extension:route.url
Control	1..1
Fixed Value	`route`
32. Extension.extension:route.value[x]
Definition	A code specifying the route or physiological path of administration of a therapeutic agent into or onto a subject.
Short	How the medication entered the body
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Binding	For example codes, see R2_route_codes_for_R4 (0.0.1-snapshot-2) (example to `http://hl7.org/fhir/1.0/ValueSet/R2-route-codes-for-R4\|0.0.1-snapshot-2`) A coded concept describing the route or physiological path of administration of a therapeutic agent into or onto the body of a subject.
Type	CodeableConcept
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
34. Extension.extension:method
Slice Name	method
Definition	A coded value indicating the method by which the medication is intended to be or was introduced into or on the body. This attribute will most often NOT be populated. It is most commonly used for injections. For example, Slow Push, Deep IV.
Short	Technique used to administer medication
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
36. Extension.extension:method.url
Control	1..1
Fixed Value	`method`
38. Extension.extension:method.value[x]
Definition	A coded value indicating the method by which the medication is intended to be or was introduced into or on the body. This attribute will most often NOT be populated. It is most commonly used for injections. For example, Slow Push, Deep IV.
Short	Technique used to administer medication
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Type	CodeableConcept
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
40. Extension.extension:quantity[x]
Slice Name	quantity[x]
Definition	The amount of therapeutic or other substance given at one administration event.
Short	Amount administered in one dose
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
42. Extension.extension:quantity[x].url
Control	1..1
Fixed Value	`quantity[x]`
44. Extension.extension:quantity[x].value[x]
Definition	The amount of therapeutic or other substance given at one administration event.
Short	Amount administered in one dose
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Type	Choice of: Quantity(SimpleQuantity), Range
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
46. Extension.extension:rate[x]
Slice Name	rate[x]
Definition	Identifies the speed with which the medication was or will be introduced into the patient. Typically the rate for an infusion e.g. 100 ml per 1 hour or 100 ml/hr. May also be expressed as a rate per unit of time e.g. 500 ml per 2 hours. Currently we do not specify a default of '1' in the denominator, but this is being discussed. Other examples: 200 mcg/min or 200 mcg/1 minute; 1 liter/8 hours.
Short	Dose quantity per unit of time
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
48. Extension.extension:rate[x].url
Control	1..1
Fixed Value	`rate[x]`
50. Extension.extension:rate[x].value[x]
Definition	Identifies the speed with which the medication was or will be introduced into the patient. Typically the rate for an infusion e.g. 100 ml per 1 hour or 100 ml/hr. May also be expressed as a rate per unit of time e.g. 500 ml per 2 hours. Currently we do not specify a default of '1' in the denominator, but this is being discussed. Other examples: 200 mcg/min or 200 mcg/1 minute; 1 liter/8 hours.
Short	Dose quantity per unit of time
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Type	Choice of: Ratio, Range
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
52. Extension.extension:maxDosePerPeriod
Slice Name	maxDosePerPeriod
Definition	The maximum total quantity of a therapeutic substance that may be administered to a subject over the period of time. For example, 1000mg in 24 hours.
Short	Maximum dose that was consumed per unit of time
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
54. Extension.extension:maxDosePerPeriod.url
Control	1..1
Fixed Value	`maxDosePerPeriod`
56. Extension.extension:maxDosePerPeriod.value[x]
Definition	The maximum total quantity of a therapeutic substance that may be administered to a subject over the period of time. For example, 1000mg in 24 hours.
Short	Maximum dose that was consumed per unit of time
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Type	Ratio
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
58. Extension.url
Control	1..1
Fixed Value	`http://hl7.org/fhir/1.0/StructureDefinition/extension-MedicationStatement.dosage`

Guidance on how to interpret the contents of this table can be foundhere

0. Extension
Definition	Indicates how the medication is/was used by the patient. Optional Extension Element - found in all resources.
Short	Details of how medication was takenOptional Extensions Element
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..* This element is affected by the following invariants: ele-1
Is Modifier	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
2. Extension.extension
Definition	An Extension May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	ExtensionAdditional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
Slicing	This element introduces a set of slices on `Extension.extension`. The slices areUnordered and ClosedOpen, and can be differentiated using the following discriminators: value @ url
4. Extension.extension:text
Slice Name	text
Definition	Free text dosage information as reported about a patient's medication use. When coded dosage information is present, the free text may still be present for display to humans.
Short	Reported dosage informationAdditional content defined by implementations
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
6. Extension.extension:text.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`text`
8. Extension.extension:text.value[x]
Definition	Free text dosage information as reported about a patient's medication use. When coded dosage information is present, the free text may still be present for display to humans. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Reported dosage informationValue of extension
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	string, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Primitive Value	This primitive element may be present, or absent, or replaced by an extension
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
10. Extension.extension:timing
Slice Name	timing
Definition	The timing schedule for giving the medication to the patient. The Schedule data type allows many different expressions, for example. "Every 8 hours"; "Three times a day"; "1/2 an hour before breakfast for 10 days from 23-Dec 2011:"; "15 Oct 2013, 17 Oct 2013 and 1 Nov 2013".
Short	When/how often was medication takenAdditional content defined by implementations
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
12. Extension.extension:timing.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`timing`
14. Extension.extension:timing.value[x]
Definition	The timing schedule for giving the medication to the patient. The Schedule data type allows many different expressions, for example. "Every 8 hours"; "Three times a day"; "1/2 an hour before breakfast for 10 days from 23-Dec 2011:"; "15 Oct 2013, 17 Oct 2013 and 1 Nov 2013". Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	When/how often was medication takenValue of extension
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Timing, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
16. Extension.extension:asNeeded[x]
Slice Name	asNeeded[x]
Definition	Indicates whether the Medication is only taken when needed within a specific dosing schedule (Boolean option), or it indicates the precondition for taking the Medication (CodeableConcept). Specifically if 'boolean' datatype is selected, then the following logic applies: If set to True, this indicates that the medication is only taken when needed, within the specified schedule.
Short	Take "as needed" (for x)Additional content defined by implementations
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
18. Extension.extension:asNeeded[x].url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`asNeeded[x]`
20. Extension.extension:asNeeded[x].value[x]
Definition	Indicates whether the Medication is only taken when needed within a specific dosing schedule (Boolean option), or it indicates the precondition for taking the Medication (CodeableConcept). Specifically if 'boolean' datatype is selected, then the following logic applies: If set to True, this indicates that the medication is only taken when needed, within the specified schedule. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Take "as needed" (for x)Value of extension
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Choice of: boolean, CodeableConcept, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, Expression, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Primitive Value	This primitive element may be present, or absent, or replaced by an extension
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
22. Extension.extension:site[x]
Slice Name	site[x]
Definition	A coded specification of or a reference to the anatomic site where the medication first enters the body.
Short	Where (on body) medication is/was administeredAdditional content defined by implementations
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
24. Extension.extension:site[x].url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`site[x]`
26. Extension.extension:site[x].value[x]
Definition	A coded specification of or a reference to the anatomic site where the medication first enters the body. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Where (on body) medication is/was administeredValue of extension
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Binding	For example codes, see For codes, see R2_approach_site_codes_for_R4 (0.0.1-snapshot-2) (example to `http://hl7.org/fhir/1.0/ValueSet/R2-approach-site-codes-for-R4\|0.0.1-snapshot-2`) A coded concept describing the site location the medicine enters into or onto the body.
Type	Choice of: CodeableConcept, Reference, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
28. Extension.extension:route
Slice Name	route
Definition	A code specifying the route or physiological path of administration of a therapeutic agent into or onto a subject.
Short	How the medication entered the bodyAdditional content defined by implementations
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
30. Extension.extension:route.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`route`
32. Extension.extension:route.value[x]
Definition	A code specifying the route or physiological path of administration of a therapeutic agent into or onto a subject. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	How the medication entered the bodyValue of extension
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Binding	For example codes, see For codes, see R2_route_codes_for_R4 (0.0.1-snapshot-2) (example to `http://hl7.org/fhir/1.0/ValueSet/R2-route-codes-for-R4\|0.0.1-snapshot-2`) A coded concept describing the route or physiological path of administration of a therapeutic agent into or onto the body of a subject.
Type	CodeableConcept, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
34. Extension.extension:method
Slice Name	method
Definition	A coded value indicating the method by which the medication is intended to be or was introduced into or on the body. This attribute will most often NOT be populated. It is most commonly used for injections. For example, Slow Push, Deep IV.
Short	Technique used to administer medicationAdditional content defined by implementations
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
36. Extension.extension:method.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`method`
38. Extension.extension:method.value[x]
Definition	A coded value indicating the method by which the medication is intended to be or was introduced into or on the body. This attribute will most often NOT be populated. It is most commonly used for injections. For example, Slow Push, Deep IV. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Technique used to administer medicationValue of extension
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	CodeableConcept, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
40. Extension.extension:quantity[x]
Slice Name	quantity[x]
Definition	The amount of therapeutic or other substance given at one administration event.
Short	Amount administered in one doseAdditional content defined by implementations
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
42. Extension.extension:quantity[x].url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`quantity[x]`
44. Extension.extension:quantity[x].value[x]
Definition	The amount of therapeutic or other substance given at one administration event. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Amount administered in one doseValue of extension
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Choice of: Quantity(SimpleQuantity), Range, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
46. Extension.extension:rate[x]
Slice Name	rate[x]
Definition	Identifies the speed with which the medication was or will be introduced into the patient. Typically the rate for an infusion e.g. 100 ml per 1 hour or 100 ml/hr. May also be expressed as a rate per unit of time e.g. 500 ml per 2 hours. Currently we do not specify a default of '1' in the denominator, but this is being discussed. Other examples: 200 mcg/min or 200 mcg/1 minute; 1 liter/8 hours.
Short	Dose quantity per unit of timeAdditional content defined by implementations
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
48. Extension.extension:rate[x].url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`rate[x]`
50. Extension.extension:rate[x].value[x]
Definition	Identifies the speed with which the medication was or will be introduced into the patient. Typically the rate for an infusion e.g. 100 ml per 1 hour or 100 ml/hr. May also be expressed as a rate per unit of time e.g. 500 ml per 2 hours. Currently we do not specify a default of '1' in the denominator, but this is being discussed. Other examples: 200 mcg/min or 200 mcg/1 minute; 1 liter/8 hours. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Dose quantity per unit of timeValue of extension
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Choice of: Ratio, Range, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
52. Extension.extension:maxDosePerPeriod
Slice Name	maxDosePerPeriod
Definition	The maximum total quantity of a therapeutic substance that may be administered to a subject over the period of time. For example, 1000mg in 24 hours.
Short	Maximum dose that was consumed per unit of timeAdditional content defined by implementations
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
54. Extension.extension:maxDosePerPeriod.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`maxDosePerPeriod`
56. Extension.extension:maxDosePerPeriod.value[x]
Definition	The maximum total quantity of a therapeutic substance that may be administered to a subject over the period of time. For example, 1000mg in 24 hours. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Maximum dose that was consumed per unit of timeValue of extension
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Ratio, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
58. Extension.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`http://hl7.org/fhir/1.0/StructureDefinition/extension-MedicationStatement.dosage`

Guidance on how to interpret the contents of this table can be foundhere

0. Extension
Definition	Indicates how the medication is/was used by the patient.
Short	Details of how medication was taken
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..* This element is affected by the following invariants: ele-1
Is Modifier	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
2. Extension.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1
Type	string
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
4. Extension.extension
Definition	An Extension
Short	Extension
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension`. The slices areUnordered and Closed, and can be differentiated using the following discriminators: value @ url
6. Extension.extension:text
Slice Name	text
Definition	Free text dosage information as reported about a patient's medication use. When coded dosage information is present, the free text may still be present for display to humans.
Short	Reported dosage information
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
8. Extension.extension:text.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1
Type	string
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
10. Extension.extension:text.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
12. Extension.extension:text.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`text`
14. Extension.extension:text.value[x]
Definition	Free text dosage information as reported about a patient's medication use. When coded dosage information is present, the free text may still be present for display to humans.
Short	Reported dosage information
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	string
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Primitive Value	This primitive element may be present, or absent, or replaced by an extension
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
16. Extension.extension:timing
Slice Name	timing
Definition	The timing schedule for giving the medication to the patient. The Schedule data type allows many different expressions, for example. "Every 8 hours"; "Three times a day"; "1/2 an hour before breakfast for 10 days from 23-Dec 2011:"; "15 Oct 2013, 17 Oct 2013 and 1 Nov 2013".
Short	When/how often was medication taken
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
18. Extension.extension:timing.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1
Type	string
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
20. Extension.extension:timing.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
22. Extension.extension:timing.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`timing`
24. Extension.extension:timing.value[x]
Definition	The timing schedule for giving the medication to the patient. The Schedule data type allows many different expressions, for example. "Every 8 hours"; "Three times a day"; "1/2 an hour before breakfast for 10 days from 23-Dec 2011:"; "15 Oct 2013, 17 Oct 2013 and 1 Nov 2013".
Short	When/how often was medication taken
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Timing
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
26. Extension.extension:asNeeded[x]
Slice Name	asNeeded[x]
Definition	Indicates whether the Medication is only taken when needed within a specific dosing schedule (Boolean option), or it indicates the precondition for taking the Medication (CodeableConcept). Specifically if 'boolean' datatype is selected, then the following logic applies: If set to True, this indicates that the medication is only taken when needed, within the specified schedule.
Short	Take "as needed" (for x)
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
28. Extension.extension:asNeeded[x].id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1
Type	string
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
30. Extension.extension:asNeeded[x].extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
32. Extension.extension:asNeeded[x].url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`asNeeded[x]`
34. Extension.extension:asNeeded[x].value[x]
Definition	Indicates whether the Medication is only taken when needed within a specific dosing schedule (Boolean option), or it indicates the precondition for taking the Medication (CodeableConcept). Specifically if 'boolean' datatype is selected, then the following logic applies: If set to True, this indicates that the medication is only taken when needed, within the specified schedule.
Short	Take "as needed" (for x)
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Choice of: boolean, CodeableConcept
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Primitive Value	This primitive element may be present, or absent, or replaced by an extension
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
36. Extension.extension:site[x]
Slice Name	site[x]
Definition	A coded specification of or a reference to the anatomic site where the medication first enters the body.
Short	Where (on body) medication is/was administered
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
38. Extension.extension:site[x].id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1
Type	string
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
40. Extension.extension:site[x].extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
42. Extension.extension:site[x].url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`site[x]`
44. Extension.extension:site[x].value[x]
Definition	A coded specification of or a reference to the anatomic site where the medication first enters the body.
Short	Where (on body) medication is/was administered
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Binding	For example codes, see R2_approach_site_codes_for_R4 (0.0.1-snapshot-2) (example to `http://hl7.org/fhir/1.0/ValueSet/R2-approach-site-codes-for-R4\|0.0.1-snapshot-2`) A coded concept describing the site location the medicine enters into or onto the body.
Type	Choice of: CodeableConcept, Reference
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
46. Extension.extension:route
Slice Name	route
Definition	A code specifying the route or physiological path of administration of a therapeutic agent into or onto a subject.
Short	How the medication entered the body
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
48. Extension.extension:route.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1
Type	string
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
50. Extension.extension:route.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
52. Extension.extension:route.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`route`
54. Extension.extension:route.value[x]
Definition	A code specifying the route or physiological path of administration of a therapeutic agent into or onto a subject.
Short	How the medication entered the body
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Binding	For example codes, see R2_route_codes_for_R4 (0.0.1-snapshot-2) (example to `http://hl7.org/fhir/1.0/ValueSet/R2-route-codes-for-R4\|0.0.1-snapshot-2`) A coded concept describing the route or physiological path of administration of a therapeutic agent into or onto the body of a subject.
Type	CodeableConcept
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
56. Extension.extension:method
Slice Name	method
Definition	A coded value indicating the method by which the medication is intended to be or was introduced into or on the body. This attribute will most often NOT be populated. It is most commonly used for injections. For example, Slow Push, Deep IV.
Short	Technique used to administer medication
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
58. Extension.extension:method.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1
Type	string
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
60. Extension.extension:method.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
62. Extension.extension:method.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`method`
64. Extension.extension:method.value[x]
Definition	A coded value indicating the method by which the medication is intended to be or was introduced into or on the body. This attribute will most often NOT be populated. It is most commonly used for injections. For example, Slow Push, Deep IV.
Short	Technique used to administer medication
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	CodeableConcept
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
66. Extension.extension:quantity[x]
Slice Name	quantity[x]
Definition	The amount of therapeutic or other substance given at one administration event.
Short	Amount administered in one dose
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
68. Extension.extension:quantity[x].id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1
Type	string
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
70. Extension.extension:quantity[x].extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
72. Extension.extension:quantity[x].url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`quantity[x]`
74. Extension.extension:quantity[x].value[x]
Definition	The amount of therapeutic or other substance given at one administration event.
Short	Amount administered in one dose
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Choice of: Quantity(SimpleQuantity), Range
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
76. Extension.extension:rate[x]
Slice Name	rate[x]
Definition	Identifies the speed with which the medication was or will be introduced into the patient. Typically the rate for an infusion e.g. 100 ml per 1 hour or 100 ml/hr. May also be expressed as a rate per unit of time e.g. 500 ml per 2 hours. Currently we do not specify a default of '1' in the denominator, but this is being discussed. Other examples: 200 mcg/min or 200 mcg/1 minute; 1 liter/8 hours.
Short	Dose quantity per unit of time
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
78. Extension.extension:rate[x].id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1
Type	string
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
80. Extension.extension:rate[x].extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
82. Extension.extension:rate[x].url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`rate[x]`
84. Extension.extension:rate[x].value[x]
Definition	Identifies the speed with which the medication was or will be introduced into the patient. Typically the rate for an infusion e.g. 100 ml per 1 hour or 100 ml/hr. May also be expressed as a rate per unit of time e.g. 500 ml per 2 hours. Currently we do not specify a default of '1' in the denominator, but this is being discussed. Other examples: 200 mcg/min or 200 mcg/1 minute; 1 liter/8 hours.
Short	Dose quantity per unit of time
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Choice of: Ratio, Range
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
86. Extension.extension:maxDosePerPeriod
Slice Name	maxDosePerPeriod
Definition	The maximum total quantity of a therapeutic substance that may be administered to a subject over the period of time. For example, 1000mg in 24 hours.
Short	Maximum dose that was consumed per unit of time
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
88. Extension.extension:maxDosePerPeriod.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1
Type	string
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
90. Extension.extension:maxDosePerPeriod.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
92. Extension.extension:maxDosePerPeriod.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`maxDosePerPeriod`
94. Extension.extension:maxDosePerPeriod.value[x]
Definition	The maximum total quantity of a therapeutic substance that may be administered to a subject over the period of time. For example, 1000mg in 24 hours.
Short	Maximum dose that was consumed per unit of time
Comments	`MedicationStatement.dosage` maps to R4 `MedicationStatement.dosage`. So is mapped as SourceIsNarrowerThanTarget.
Control	0..1
Type	Ratio
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
96. Extension.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`http://hl7.org/fhir/1.0/StructureDefinition/extension-MedicationStatement.dosage`
98. Extension.value[x]
Definition	Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Value of extension
Control	0..1
Type	Choice of: base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Primitive Value	This primitive element may be present, or absent, or replaced by an extension
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)