Snapshot 3: Connectathon 32 Base

This is Snapshot #3 for FHIR R5, released to support Connectathon 32. For a full list of available versions, see the Directory of published versions.

Extension allowedUnits - Detailed Descriptions

FHIR Infrastructure Work Group Maturity Level: 1Trial UseUse Context: Any

Detailed Descriptions for the elements in the extension.

Extension
Element IdExtension
Definition

Identifies the units of measure in which the element should be captured or expressed.

Short DisplayUnits to use for measured value
Cardinality0..1
Comments

Use a value set if more than one unit of measure is possible. Value sets will typically be short enough to display in a drop-down selection list.

Invariants
Inherited by this element
ele-1RuleAll FHIR elements must have a @value or childrenhasValue() or (children().count() > id.count())
ext-1RuleMust have either extensions or value[x], not bothextension.exists() != value.exists()
Extension.id
Element IdExtension.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 DisplayUnique id for inter-element referencing
Cardinality0..1
Typeid
Extension.extension
Element IdExtension.extension
Definition

An Extension

Short DisplayExtension
Cardinality0..0
TypeExtension
Invariants
Inherited by this element
ele-1RuleAll FHIR elements must have a @value or childrenhasValue() or (children().count() > id.count())
ext-1RuleMust have either extensions or value[x], not bothextension.exists() != value.exists()
SlicingThis element introduces a set of slices. The slicing rules are:
  • unordered
  • Open
  • discriminators: value:url
Extension.url
Element IdExtension.url
Definition

Source of the definition for the extension code - a logical name or a URL.

Short Displayidentifies the meaning of the extension
Cardinality1..1
Typeuri
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.

Fixed Valuehttp://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits
Extension.value[x]
Element IdExtension.value[x]
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Short DisplayValue of extension
Cardinality1..1
Terminology Bindingnull
The codes SHALL be taken from UCUM Codes
TypeChoice of: CodeableConcept, canonical(ValueSet)
[x] NoteSee Choice of Datatypes for further information about how to use [x]
Invariants
Inherited by this element
ele-1RuleAll FHIR elements must have a @value or childrenhasValue() or (children().count() > id.count())