---
type: "search-params"
title: "NamingSystem Search Parameters"
resource: "NamingSystem"
---
# NamingSystem Search Parameters

<a id="contact"></a>

## contact
**Description:** Name of an individual to contact

**Type:** string

**Expression:** NamingSystem.contact.name

**Path:** NamingSystem.contact.name

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-contact


<a id="context"></a>

## context
**Description:** A use context assigned to the naming system

**Type:** token

**Expression:** (NamingSystem.useContext.value.ofType(CodeableConcept))

**Path:** {{name}}.useContext.valueCodeableConcept

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-context


<a id="context-quantity"></a>

## context-quantity
**Description:** A quantity- or range-valued use context assigned to the naming system

**Type:** quantity

**Expression:** (NamingSystem.useContext.value.ofType(Quantity)) | (NamingSystem.useContext.value.ofType(Range))

**Path:** {{name}}.useContext.valueQuantity,{{name}}.useContext.valueRange

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-context-quantity


<a id="context-type"></a>

## context-type
**Description:** A type of use context assigned to the naming system

**Type:** token

**Expression:** NamingSystem.useContext.code

**Path:** {{name}}.useContext.code

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-context-type


<a id="context-type-quantity"></a>

## context-type-quantity
**Description:** A use context type and quantity- or range-based value assigned to the naming system

**Type:** composite

**Expression:** NamingSystem.useContext

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-context-type-quantity


<a id="context-type-value"></a>

## context-type-value
**Description:** A use context type and value assigned to the naming system

**Type:** composite

**Expression:** NamingSystem.useContext

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-context-type-value


<a id="date"></a>

## date
**Description:** The naming system publication date

**Type:** date

**Expression:** NamingSystem.date

**Path:** {{name}}.date

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-date


<a id="description"></a>

## description
**Description:** The description of the naming system

**Type:** string

**Expression:** NamingSystem.description

**Path:** {{name}}.description

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-description


<a id="identifier"></a>

## identifier
**Description:** External identifier for the naming system

**Type:** token

**Expression:** NamingSystem.identifier

**Path:** {{name}}.identifier

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-identifier


<a id="id-type"></a>

## id-type
**Description:** oid | uuid | uri | other

**Type:** token

**Expression:** NamingSystem.uniqueId.type

**Path:** NamingSystem.uniqueId.type

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-id-type


<a id="jurisdiction"></a>

## jurisdiction
**Description:** Jurisdiction of the authority that maintains the the naming system

**Type:** token

**Expression:** NamingSystem.jurisdiction

**Path:** {{name}}.jurisdiction

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-jurisdiction


<a id="kind"></a>

## kind
**Description:** codesystem | identifier | root

**Type:** token

**Expression:** NamingSystem.kind

**Path:** NamingSystem.kind

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-kind


<a id="name"></a>

## name
**Description:** Computationally friendly name of the naming system

**Type:** string

**Expression:** NamingSystem.name

**Path:** {{name}}.name

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-name


<a id="period"></a>

## period
**Description:** When is identifier valid?

**Type:** date

**Expression:** NamingSystem.uniqueId.period

**Path:** NamingSystem.uniqueId.period

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-period


<a id="publisher"></a>

## publisher
**Description:** Name of the publisher of the naming system

**Type:** string

**Expression:** NamingSystem.publisher

**Path:** {{name}}.publisher

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-publisher


<a id="responsible"></a>

## responsible
**Description:** Who maintains system namespace?

**Type:** string

**Expression:** NamingSystem.responsible

**Path:** NamingSystem.responsible

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-responsible


<a id="status"></a>

## status
**Description:** The current status of the naming system

**Type:** token

**Expression:** NamingSystem.status

**Path:** {{name}}.status

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-status


<a id="telecom"></a>

## telecom
**Description:** Contact details for individual or organization

**Type:** token

**Expression:** NamingSystem.contact.telecom

**Path:** NamingSystem.contact.telecom

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-telecom


<a id="type"></a>

## type
**Description:** e.g. driver,  provider,  patient, bank etc.

**Type:** token

**Expression:** NamingSystem.type

**Path:** NamingSystem.type

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-type


<a id="url"></a>

## url
**Description:** The uri that identifies the naming system

**Type:** uri

**Expression:** NamingSystem.url

**Path:** {{name}}.url

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-url


<a id="value"></a>

## value
**Description:** The unique identifier

**Type:** string

**Expression:** NamingSystem.uniqueId.value

**Path:** NamingSystem.uniqueId.value

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-value


<a id="version"></a>

## version
**Description:** The business version of the naming system

**Type:** token

**Expression:** NamingSystem.version

**Path:** {{name}}.version

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/NamingSystem-version


<a id="effective"></a>

## effective
**Description:** The time during which the NamingSystem is intended to be in use

**Type:** date

**Expression:** NamingSystem.effectivePeriod

**Path:** NamingSystem.effectivePeriod

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/MetadataResource-effective


<a id="derived-from"></a>

## derived-from
**Description:** A resource that the NamingSystem is derived from

**Type:** reference

**Expression:** NamingSystem.relatedArtifact.where(type='derived-from').resource

**Path:** NamingSystem.relatedArtifact.resource

**Standards Status:** normative


<a id="predecessor"></a>

## predecessor
**Description:** The predecessor of the NamingSystem

**Type:** reference

**Expression:** NamingSystem.relatedArtifact.where(type='predecessor').resource

**Path:** NamingSystem.relatedArtifact.resource

**Standards Status:** normative


<a id="topic"></a>

## topic
**Description:** Topics associated with the NamingSystem

**Type:** token

**Expression:** NamingSystem.topic

**Path:** NamingSystem.topic

**Standards Status:** normative


<a id="experimental"></a>

## experimental
**Description:** Whether the NamingSystem is experimental

**Type:** token

**Expression:** NamingSystem.experimental

**Path:** NamingSystem.experimental

**Standards Status:** normative