> ## Documentation Index
> Fetch the complete documentation index at: https://docs.metriport.com/llms.txt
> Use this file to discover all available pages before exploring further.

# NamingSystem

> A curated namespace that issues unique symbols within that namespace for the identification of concepts, people, devices, etc.  Represents a System used within the Identifier and Coding data types.

## Properties

| Name                | Required | Type                                                               | Description                                             |
| ------------------- | -------- | ------------------------------------------------------------------ | ------------------------------------------------------- |
| name                | Yes      | string                                                             | Name for this naming system (computer friendly)         |
| status              | Yes      | code                                                               | draft / active / retired / unknown                      |
| kind                | Yes      | code                                                               | codesystem / identifier / root                          |
| date                | Yes      | dateTime                                                           | Date last changed                                       |
| publisher           | No       | string                                                             | Name of the publisher (organization or individual)      |
| contact             | No       | [ContactDetail](/medical-api/fhir/data-types/contactdetail)\[]     | Contact details for the publisher                       |
| responsible         | No       | string                                                             | Who maintains system namespace?                         |
| type                | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)    | e.g. driver, provider, patient, bank etc.               |
| description         | No       | markdown                                                           | Natural language description of the naming system       |
| useContext          | No       | [UsageContext](/medical-api/fhir/data-types/usagecontext)\[]       | The context that the content is intended to support     |
| jurisdiction        | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[] | Intended jurisdiction for naming system (if applicable) |
| usage               | No       | string                                                             | How/where is it used                                    |
| uniqueId            | Yes      | NamingSystemUniqueId                                               | Unique identifiers used for system                      |
| - id                | No       | string                                                             | Unique id for inter-element referencing                 |
| - extension         | No       | [Extension](/medical-api/fhir/data-types/extension)\[]             | Additional content defined by implementations           |
| - modifierExtension | No       | [Extension](/medical-api/fhir/data-types/extension)\[]             | Extensions that cannot be ignored even if unrecognized  |
| - type              | Yes      | code                                                               | oid / uuid / uri / other                                |
| - value             | Yes      | string                                                             | The unique identifier                                   |
| - preferred         | No       | boolean                                                            | Is this the id that should be used for this type        |
| - comment           | No       | string                                                             | Notes about identifier usage                            |
| - period            | No       | [Period](/medical-api/fhir/data-types/period)                      | When is identifier valid?                               |

## Search Parameters

| Name                  | Type      | Description                                                                         | Expression                    |
| --------------------- | --------- | ----------------------------------------------------------------------------------- | ----------------------------- |
| context               | token     | A use context assigned to the naming system                                         | NamingSystem.useContext.value |
| context-quantity      | quantity  | A quantity- or range-valued use context assigned to the naming system               | NamingSystem.useContext.value |
| context-type          | token     | A type of use context assigned to the naming system                                 | NamingSystem.useContext.code  |
| date                  | date      | The naming system publication date                                                  | NamingSystem.date             |
| description           | string    | The description of the naming system                                                | NamingSystem.description      |
| jurisdiction          | token     | Intended jurisdiction for the naming system                                         | NamingSystem.jurisdiction     |
| name                  | string    | Computationally friendly name of the naming system                                  | NamingSystem.name             |
| publisher             | string    | Name of the publisher of the naming system                                          | NamingSystem.publisher        |
| status                | token     | The current status of the naming system                                             | NamingSystem.status           |
| context-type-quantity | composite | A use context type and quantity- or range-based value assigned to the naming system | NamingSystem.useContext       |
| context-type-value    | composite | A use context type and value assigned to the naming system                          | NamingSystem.useContext       |
| contact               | string    | Name of an individual to contact                                                    | NamingSystem.contact.name     |
| id-type               | token     | oid / uuid / uri / other                                                            | NamingSystem.uniqueId.type    |
| kind                  | token     | codesystem / identifier / root                                                      | NamingSystem.kind             |
| period                | date      | When is identifier valid?                                                           | NamingSystem.uniqueId.period  |
| responsible           | string    | Who maintains system namespace?                                                     | NamingSystem.responsible      |
| telecom               | token     | Contact details for individual or organization                                      | NamingSystem.contact.telecom  |
| type                  | token     | e.g. driver, provider, patient, bank etc.                                           | NamingSystem.type             |
| value                 | string    | The unique identifier                                                               | NamingSystem.uniqueId.value   |

## Inherited Properties

| Name              | Required | Type                                                   | Description                                            |
| ----------------- | -------- | ------------------------------------------------------ | ------------------------------------------------------ |
| id                | No       | string                                                 | Logical id of this artifact                            |
| meta              | No       | [Meta](/medical-api/fhir/data-types/meta)              | Metadata about the resource                            |
| implicitRules     | No       | uri                                                    | A set of rules under which this content was created    |
| language          | No       | code                                                   | Language of the resource content                       |
| text              | No       | [Narrative](/medical-api/fhir/data-types/narrative)    | Text summary of the resource, for human interpretation |
| contained         | No       | Resource\[]                                            | Contained, inline Resources                            |
| extension         | No       | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations          |
| modifierExtension | No       | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored                      |

To view the FHIR specification for this resource, see [NamingSystem](https://www.hl7.org/fhir/StructureDefinition/NamingSystem).