FHIR Cross-Version Extensions package for FHIR R4 from FHIR R5
0.0.1-snapshot-2 - informative International flag

FHIR Cross-Version Extensions package for FHIR R4 from FHIR R5 - Version 0.0.1-snapshot-2. See the Directory of published versions

CodeSystem: SearchParamType

Official URL: http://hl7.org/fhir/search-param-type Version: 5.0.0
Standards status: Normative Maturity Level: 5 Computable Name: SearchParamType

Data types allowed to be used for search parameters.

This Code system is referenced in the content logical definition of the following value sets:

  • This CodeSystem is not used here; it may be used elsewhere (e.g. specifications and/or implementations that use this content)

This case-sensitive code system http://hl7.org/fhir/search-param-type defines the following codes:

CodeDisplayDefinition
number Number Search parameter SHALL be a number (a whole number, or a decimal).
date Date/DateTime Search parameter is on a date/time. The date format is the standard XML format, though other formats may be supported.
string 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 Token Search parameter on a coded element or identifier. May be used to search through the text, display, 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 Reference A reference to another resource (Reference or canonical).
composite Composite A composite search parameter that combines a search on two values together.
quantity Quantity A search parameter that searches on a quantity.
uri URI A search parameter that searches on a URI (RFC 3986).
special Special Special logic applies to this parameter per the description of the search parameter.