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4.3.2.17 CodeSystem http://terminology.hl7.org/CodeSystem/special-values

FHIR Infrastructure icon Work Group Maturity Level: 0Informative Use Context: Any

This is a code system defined by the FHIR project.

Summary

Defining URL:http://terminology.hl7.org/CodeSystem/special-values
Version:5.0.0-cibuild
Name:SpecialValues
Title:SpecialValues
Status:draft
Definition:

A set of generally useful codes defined so they can be included in value sets.

Committee:FHIR Infrastructure icon Work Group
OID:2.16.840.1.113883.4.642.1.1049 (for OID based terminology systems)
Flags:CaseSensitive, Complete
All codes ValueSet:SpecialValues

This Code system is used in the following value sets:

  • ValueSet: SpecialValues icon (A set of generally useful codes defined so they can be included in value sets.)
  • ValueSet: SpecialValues (A set of generally useful codes defined so they can be included in value sets.)

This code system http://terminology.hl7.org/CodeSystem/special-values defines the following codes:

CodeDisplayDefinitionCommentsCopy
true trueBoolean true.btn btn
false falseBoolean false.btn btn
trace Trace Amount DetectedThe content is greater than zero, but too small to be quantified.btn btn
sufficient Sufficient QuantityThe 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.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. )btn btn
withdrawn Value WithdrawnThe value is no longer available.btn btn
nil-known Nil KnownThe are no known applicable values in this context.The existence of this subject to reviewbtn btn

 

See the full registry of code systems defined as part of FHIR.


Explanation of the columns that may appear on this page:

LevelA few code lists that FHIR defines are hierarchical - each code is assigned a level. See Code System for further information.
SourceThe source of the definition of the code (when the value set draws in codes defined elsewhere)
CodeThe code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
DisplayThe 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
DefinitionAn explanation of the meaning of the concept
CommentsAdditional notes about how to use the code