Release 4B 5 Ballot

This page is part of the FHIR Specification (v4.3.0: R4B (v5.0.0-ballot: R5 Ballot - STU see ballot notes ). 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

Using Codes Code Systems Value Sets Concept Maps Identifier Systems

4.3.14.23 4.3.2.17 Code System CodeSystem http://terminology.hl7.org/CodeSystem/special-values

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

This is a code system defined by the FHIR project.

Summary

XML / JSON
Defining URL: http://terminology.hl7.org/CodeSystem/special-values
Version: 4.3.0 5.0.0-ballot
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)
Source Resource 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.)

4.3.14.23.1 4.3.2.17.1 Content

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

Code Display Definition Comments Copy
true true Boolean true. btn   btn
false false Boolean false. btn   btn
trace Trace Amount Detected The content is greater than zero, but too small to be quantified. btn   btn
sufficient Sufficient Quantity 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. 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withdrawn Value Withdrawn The value is no longer available. btn   btn
nil-known Nil Known The are no known applicable values in this context. The existence of this subject to review btn   btn

 

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

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
Definition An explanation of the meaning of the concept
Comments Additional notes about how to use the code