This
page
is
part
of
the
FHIR
Specification
(v4.0.1:
R4
(v4.3.0:
R4B
-
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
R4B
R4
HL7
Ballot/Standards
status
of
artifact.
This
code
system
http://terminology.hl7.org/CodeSystem/standards-status
http://hl7.org/fhir/standards-status
defines
the
following
codes:
Code
Display
Definition
draft
Draft
This
portion
of
the
specification
is
not
considered
to
be
complete
enough
or
sufficiently
reviewed
to
be
safe
for
implementation.
It
may
have
known
issues
or
still
be
in
the
"in
development"
stage.
It
is
included
in
the
publication
as
a
place-holder,
to
solicit
feedback
from
the
implementation
community
and/or
to
give
implementers
some
insight
as
to
functionality
likely
to
be
included
in
future
versions
of
the
specification.
Content
at
this
level
should
only
be
implemented
by
the
brave
or
desperate
and
is
very
much
"use
at
your
own
risk".
The
content
that
is
Draft
that
will
usually
be
elevated
to
Trial
Use
once
review
and
correction
is
complete
after
it
has
been
subjected
to
ballot.
normative
Normative
This
content
has
been
subject
to
review
and
production
implementation
in
a
wide
variety
of
environments.
The
content
is
considered
to
be
stable
and
has
been
'locked',
subjecting
it
to
FHIR
Inter-version
Compatibility
Rules.
While
changes
are
possible,
they
are
expected
to
be
infrequent
and
are
tightly
constrained.
Compatibility
Rules.
trial-use
Trial-Use
This
content
has
been
well
reviewed
and
is
considered
by
the
authors
to
be
ready
for
use
in
production
systems.
It
has
been
subjected
to
ballot
and
approved
as
an
official
standard.
However,
it
has
not
yet
seen
widespread
use
in
production
across
the
full
spectrum
of
environments
it
is
intended
to
be
used
in.
In
some
cases,
there
may
be
documented
known
issues
that
require
implementation
experience
to
determine
appropriate
resolutions
for.
Future
versions
of
FHIR
may
make
significant
changes
to
Trial
Use
content
that
are
not
compatible
with
previously
published
content.
informative
Informative
This
portion
of
the
specification
is
provided
for
implementer
assistance,
and
does
not
make
rules
that
implementers
are
required
to
follow.
Typical
examples
of
this
content
in
the
FHIR
specification
are
tables
of
contents,
registries,
examples,
and
implementer
advice.
deprecated
Deprecated
This
portion
of
the
specification
is
provided
for
implementer
assistance,
and
does
not
make
rules
that
implementers
are
required
to
follow.
Typical
examples
of
this
content
in
the
FHIR
specification
are
tables
of
contents,
registries,
examples,
and
implementer
advice.
external
External
This
is
content
that
is
managed
outside
the
FHIR
Specification,
but
included
for
implementer
convenience.
Explanation
of
the
columns
that
may
appear
on
this
page:
Level
A
few
code
lists
that
FHIR
defines
are
hierarchical
-
each
code
is
assigned
a
level.
See
Code
System
for
further
information.
Source
The
source
of
the
definition
of
the
code
(when
the
value
set
draws
in
codes
defined
elsewhere)
Code
The
code
(used
as
the
code
in
the
resource
instance).
If
the
code
is
in
italics,
this
indicates
that
the
code
is
not
selectable
('Abstract')
Display
The
display
(used
in
the
display
element
of
a
Coding
).
If
there
is
no
display,
implementers
should
not
simply
display
the
code,
but
map
the
concept
into
their
application
Terminology
.
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versions:
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