This page is part of the FHIR Specification (v1.0.2: DSTU 2). The current version which supercedes this version is

This page is part of the FHIR Specification (v1.6.0: STU 3 Ballot 4). The current version which supercedes this version is 5.0.0 . For a full list of available versions, see the Directory of published versions . For a full list of available versions, see the Directory of published versions . Page versions: . Page versions: R3 R2

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Extension: Associates the structure definition with a collection of Data Elements URL for this extension:

Extension: Associates the structure definition with a collection of Data Elements

URL for this extension:

http://hl7.org/fhir/StructureDefinition/datadictionary

Status:
draft.
Extension
maintained
by:
Health
Level
Seven,
Inc.
-
FHIR
Core
WG
This
extension
associates
a
structure
definition
with
a
data
dictionary
-
a
collection
of
data
elements
that
any
instance
of
data
that
conforms
to
the
structure
definition
must
also
conform
to.
The
value
of
the
extension
is
a
uri
the
defines
a
query
that
identifies
the
collection
of
relevant
data
elements
This
extension
can
be
used
on
any
structure
definition
that
is
a
constraint
on
the
resource
types
Observation
and
Questionnaire.
THe
profile
specifies
which
elements
are
mandatory
etc.,
but
any
elements
in
a
resource
that
conforms
to
the
structure
definition
must
also
conform
to
one
of
the
defined
data
elements.
For
Observation:
*
Observation.code
must
be
associated
with
a
matching
Data
Element
by
DataElement.code.
*
The
structure
definition
should
bind
Observation.code
to
a
value
set
that
has
the
same
codes
as
the
collection
of
data
elements
(though
it
can
be
narrower)
*
the
unit
and
the
quantity
value
should
conform
to
the
rules
laid
down
in
the
matching
Data
Element
For
Questionnaire:
*
todo.
Context
of
Use:
Use
on
element:
StructureDefinition
usage
info:
insert
a
list
of
places
where
this
extension
is
used

Status: draft. Extension maintained by: Health Level Seven, Inc. - FHIR Core WG

This extension associates a structure definition with a data dictionary - a collection of data elements that any instance of data that conforms to the structure definition must also conform to. The value of the extension is a uri the defines a query that identifies the collection of relevant data elements

This extension can be used on any structure definition that is a constraint on the resource types Observation and Questionnaire. THe profile specifies which elements are mandatory etc., but any elements in a resource that conforms to the structure definition must also conform to one of the defined data elements.

For Observation: * Observation.code must be associated with a matching Data Element by DataElement.code. * The structure definition should bind Observation.code to a value set that has the same codes as the collection of data elements (though it can be narrower) * the unit and the quantity value should conform to the rules laid down in the matching Data Element

For Questionnaire: * todo.

Context of Use: Use on element: StructureDefinition

usage info: insert a list of places where this extension is used

Extension Content

Extension Content

 

Constraints

© HL7.org 2011+. FHIR DSTU2 (v1.0.2-7202) generated on Sat, Oct 24, 2015 07:43+1100. Links: Search | Version History | Table of Contents | Compare to DSTU1 |

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• ext-1 : Must have either extensions or value[x], not both (xpath: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')]) )