Extension: Timezone Code

Release 4B

This page is part of the FHIR Specification (v4.3.0: R4B - STU). 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

Extension Timezone Code - Detailed Descriptions

FHIR Infrastructure Work Group Maturity Level: 1 Informative Use Context: Any

Detailed Descriptions for the elements in the extension.

Extension

Element Id Extension

Definition

An IANA timezone code for the timezone offset per BCP 175. The offset is specified as part of a dateTime/instant (or using the tzOffset extension on a date if necessary). The timezone code may also be provided to allow for human display of the location associated with the offset.

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

Comments

See https://www.iana.org/time-zones.

Invariants

Inherited by this element

ele-1 Rule All FHIR elements must have a @value or children unless an empty Parameters resource hasValue() or (children().count() > id.count()) or $this is Parameters

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 id

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/tz-code

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

Terminology Binding IANA Timezones (BCP 175)
The codes SHALL be taken from I a n a timezones

Type code

[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())