This page is part of the FHIR Specification (v0.0.82: DSTU 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

1.14.2.1.9 Value Set for codes in http://hl7.org/fhir/search-param-type

This is a value set defined by the FHIR project.

Summary

Code System URL:http://hl7.org/fhir/search-param-type
Value Set URL:http://hl7.org/fhir/vs/search-param-type
Definition:Data types allowed to be used for search parameters

Formal value Set definition : XML or JSON.

This value set defines its own codes:

1.14.2.1.9.1 SearchParamType

Data types allowed to be used for search parameters

This value set defines its own terms in the system http://hl7.org/fhir/search-param-type

CodeDisplayDefinition
number Search parameter SHALL be a number (a whole number, or a decimal).
date Search parameter is on a date/time. The date format is the standard XML format, though other formats may be supported.
string Search parameter is a simple string, like a name part. Search is case-insensitive and accent-insensitive. May match just the start of a string. String parameters may contain spaces.
token Search parameter on a coded element or identifier. May be used to search through the text, displayname, code and code/codesystem (for codes) and label, system and key (for identifier). Its value is either a string or a pair of namespace and value, separated by a "|", depending on the modifier used.
reference A reference to another resource.
composite A composite search parameter that combines a search on two values together.
quantity A search parameter that searches on a quantity.

These codes are used in the following places:

OIDs

Code System URL:9
Value Set URL:2.16.840.1.113883.4.642.2.9
Note: these OIDs are not used in FHIR, but may be used in v3, or OID based terminology systems

See the full registry of value sets 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. In this scheme, some codes are under other codes, and imply that the code they are under also applies
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)
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

In addition, this page will include mappings to HL7 v2 or HL7 v3 code where these have been defined.

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