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).
(v5.0.0-snapshot1:
Release
5
Snapshot
#1).
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
| FHIR Infrastructure Work Group | Maturity Level : N/A | Standards Status : Informative |
Raw JSON ( canonical form + also see JSON Format Specification )
Definition for Code System SpecialValues
{
"resourceType" : "CodeSystem",
"id" : "special-values",
"meta" : {
"lastUpdated" : "2019-11-01T09:29:23.356+11:00"
"lastUpdated" : "2021-12-19T08:15:41.873+11:00"
},
"text" : {
"status" : "extensions",
"div" : "<div>!-- Snipped for Brevity --></div>"
},
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode" : "fhir"
}],
"url" : "http://terminology.hl7.org/CodeSystem/special-values",
"identifier" : [{
"system" : "urn:ietf:rfc:3986",
"value" : "urn:oid:2.16.840.1.113883.4.642.4.1049"
"value" : "urn:oid:2.16.840.1.113883.4.642.1.1049"
}],
"version" : "4.0.1",
"version" : "5.0.0-snapshot1",
"name" : "SpecialValues",
"title" : "SpecialValues",
"status" : "draft",
"experimental" : false,
"date" : "2019-11-01T09:29:23+11:00",
"date" : "2021-12-19T08:15:41+11:00",
"description" : "A set of generally useful codes defined so they can be included in value sets.",
"caseSensitive" : true,
"valueSet" : "http://hl7.org/fhir/ValueSet/special-values",
"content" : "complete",
"concept" : [{
"code" : "true",
"display" : "true",
"definition" : "Boolean true."
},
{
"code" : "false",
"display" : "false",
"definition" : "Boolean false."
},
{
"code" : "trace",
"display" : "Trace Amount Detected",
"definition" : "The content is greater than zero, but too small to be quantified."
},
{
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
"valueString" : "used in formulations (e.g. 'Add 10mg of ingredient X, 50mg of ingredient Y, and sufficient quantity of water to 100mL.' This code would be used to express the quantity of water. )"
}],
"code" : "sufficient",
"display" : "Sufficient Quantity",
"definition" : "The specific quantity is not known, but is known to be non-zero and is not specified because it makes up the bulk of the material."
},
{
"code" : "withdrawn",
"display" : "Value Withdrawn",
"definition" : "The value is no longer available."
},
{
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
"valueString" : "The existence of this subject to review"
}],
"code" : "nil-known",
"display" : "Nil Known",
"definition" : "The are no known applicable values in this context."
}]
}
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.