Extension: unclosed - FHIR v4.0.1

Release 4

This page is part of the FHIR Specification (v4.0.1: R4 - Mixed Normative and STU) in it's permanent home (it will always be available at this URL). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4 R3 R2

Extension unclosed - Detailed Descriptions

Vocabulary Work Group Maturity Level: 1 Informative Use Context: Any

Detailed Descriptions for the elements in the extension.

Extension

Element Id Extension

Definition

Marks that the expansion is incomplete, and values other than those listed may be valid. This may be used because post-coordinated codes are allowed, and no practical expansion can be produced.

Cardinality 0..1 This element is affected by the following invariants: ele-1

Comments

This extension exists to allow for definition and use of value sets that are currently unbounded, including those for which it may always be impractical to set bounds. This can be done to allow additional learning in this space, such as exploring poorly understsood consequences of alternatives.

Invariants

Inherited by this element

ele-1 Rule All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())

ext-1 Rule Must have either extensions or value[x], not both extension.exists() != value.exists()

Extension.id

Element Id 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.

Cardinality 0..1

Type string

Extension.extension

Element Id Extension.extension

Definition

An Extension

Cardinality 0..0

Type Extension

Invariants

Inherited by this element

ele-1 Rule All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())

ext-1 Rule Must have either extensions or value[x], not both extension.exists() != value.exists()

Slicing This element introduces a set of slices. The slicing rules are:

unordered
Open
discriminators: value:url

Extension.url

Element Id Extension.url

Definition

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

Cardinality 1..1

Type uri

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 Value http://hl7.org/fhir/StructureDefinition/valueset-unclosed

Extension.value[x]

Element Id Extension.value[x]

Definition

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

Cardinality 1..1

Type boolean

[x] Note See Choice of Data Types for further information about how to use [x]

Invariants

Inherited by this element

ele-1 Rule All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())