UK Naming Systems

Terminology NamingSystems

Important Note

This section details the NamingSystems for CodeSystems used by the UK Core and the CareConnect Baseline. It does not include the actual CodeSystems. For more information and the full details of the defined CodeSystems see the following specifications:

For the UK Core CodeSystems see the latest version of the UK Core
For the CareConnect CodeSystems see the latest version of the CareConnect Baseline
More information on NamingSystems is available in the FHIR standard

Name	URL	Description	Status	Kind
dm+d	https://dmd.nhs.uk	Dictionary of medicines and devices	active	codesystem
BNF Drug	https://fhir.hl7.org.uk/Id/bnf-drug-codes	BNF drug codes	active	codesystem
Egton	https://fhir.hl7.org.uk/Id/egton-codes	Egton codes.	active	codesystem
EMIS Drug	https://fhir.hl7.org.uk/Id/emis-drug-codes	EMIS drug codes	active	codesystem
Gemscript Drug	https://fhir.hl7.org.uk/Id/resipuk-gemscript-drug-codes	Gemscript drug codes	active	codesystem
Multilex Drug	https://fhir.hl7.org.uk/Id/multilex-drug-codes	Multilex drug codes	active	codesystem
SNOMED CT	http://snomed.info/sct	SNOMED CT	active	codesystem
READ V2	http://read.info/readv2	Read Codes version 2	retired	codesystem
READ CTV3	http://read.info/ctv3	Read Codes version 3	retired	codesystem

`dm+d`

Overview

Kind

Codesystem

Unique IDs

Type	Value	Preferred
Uri	https://dmd.nhs.uk	True

Table View

NamingSystem.id[0]	NamingSystem-Dmd
NamingSystem.name[0]	Dmd
NamingSystem.status[0]	active
NamingSystem.kind[0]	codesystem
NamingSystem.date[0]	2023-12-05
NamingSystem.publisher[0]	HL7 UK
NamingSystem.contact[0].name[0]	HL7 UK
NamingSystem.contact[0].telecom[0].system[0]	email
NamingSystem.contact[0].telecom[0].value[0]	ukcore@hl7.org.uk
NamingSystem.contact[0].telecom[0].use[0]	work
NamingSystem.contact[0].telecom[0].rank[0]	1
NamingSystem.responsible[0]	NHS England
NamingSystem.description[0]	NHS Dictionary of Medicines and Devices. For more details see: [NHS Data Model Dictionary](https://www.datadictionary.nhs.uk/supporting_information/nhs_dictionary_of_medicines_and_devices.html)
NamingSystem.uniqueId[0].type[0]	uri
NamingSystem.uniqueId[0].value[0]	https://dmd.nhs.uk
NamingSystem.uniqueId[0].preferred[0]	True

XML View

<id value="NamingSystem-Dmd" />
<name value="Dmd" />
<status value="active" />
<kind value="codesystem" />
<date value="2023-12-05" />
<publisher value="HL7 UK" />
<contact>
<name value="HL7 UK" />
<telecom>
<system value="email" />
<value value="ukcore@hl7.org.uk" />
<use value="work" />
<rank value="1" />
</telecom>
</contact>
<responsible value="NHS England" />
<description value="NHS Dictionary of Medicines and Devices. For more details see: [NHS Data Model Dictionary](https://www.datadictionary.nhs.uk/supporting_information/nhs_dictionary_of_medicines_and_devices.html)" />
<uniqueId>
<type value="uri" />
<value value="https://dmd.nhs.uk" />
<preferred value="true" />
</uniqueId>

</NamingSystem>

JSON View

{

"resourceType": "NamingSystem",
"id": "NamingSystem-Dmd",
"name": "Dmd",
"status": "active",
"kind": "codesystem",
"date": "2023-12-05",
"publisher": "HL7 UK",
"contact": [
{
"name": "HL7 UK",
"telecom": [
{
"system": "email",
"value": "ukcore@hl7.org.uk",
"use": "work",
"rank": 1
}
]
}
],
"responsible": "NHS England",
"description": "NHS Dictionary of Medicines and Devices. For more details see: [NHS Data Model Dictionary](https://www.datadictionary.nhs.uk/supporting_information/nhs_dictionary_of_medicines_and_devices.html)",
"uniqueId": [
{
"type": "uri",
"value": "https://dmd.nhs.uk",
"preferred": true
}
]

}

`BNF Drug`

Overview

Kind

Codesystem

Unique IDs

Type	Value	Preferred
Uri	https://fhir.hl7.org.uk/Id/bnf-drug-codes	True

Table View

NamingSystem.id[0]	NamingSystem-BNF-Drug-Codes
NamingSystem.name[0]	BNFDrug
NamingSystem.status[0]	active
NamingSystem.kind[0]	codesystem
NamingSystem.date[0]	2023-12-05
NamingSystem.publisher[0]	HL7 UK
NamingSystem.contact[0].name[0]	HL7 UK
NamingSystem.contact[0].telecom[0].system[0]	email
NamingSystem.contact[0].telecom[0].value[0]	ukcore@hl7.org.uk
NamingSystem.contact[0].telecom[0].use[0]	work
NamingSystem.contact[0].telecom[0].rank[0]	1
NamingSystem.responsible[0]	Royal Pharmaceutical Society
NamingSystem.description[0]	BNF drug codes
NamingSystem.uniqueId[0].type[0]	uri
NamingSystem.uniqueId[0].value[0]	https://fhir.hl7.org.uk/Id/bnf-drug-codes
NamingSystem.uniqueId[0].preferred[0]	True

XML View

<id value="NamingSystem-BNF-Drug-Codes" />
<name value="BNFDrug" />
<status value="active" />
<kind value="codesystem" />
<date value="2023-12-05" />
<publisher value="HL7 UK" />
<contact>
<name value="HL7 UK" />
<telecom>
<system value="email" />
<value value="ukcore@hl7.org.uk" />
<use value="work" />
<rank value="1" />
</telecom>
</contact>
<responsible value="Royal Pharmaceutical Society" />
<description value="BNF drug codes" />
<uniqueId>
<type value="uri" />
<value value="https://fhir.hl7.org.uk/Id/bnf-drug-codes" />
<preferred value="true" />
</uniqueId>

</NamingSystem>

JSON View

{

"resourceType": "NamingSystem",
"id": "NamingSystem-BNF-Drug-Codes",
"name": "BNFDrug",
"status": "active",
"kind": "codesystem",
"date": "2023-12-05",
"publisher": "HL7 UK",
"contact": [
{
"name": "HL7 UK",
"telecom": [
{
"system": "email",
"value": "ukcore@hl7.org.uk",
"use": "work",
"rank": 1
}
]
}
],
"responsible": "Royal Pharmaceutical Society",
"description": "BNF drug codes",
"uniqueId": [
{
"type": "uri",
"value": "https://fhir.hl7.org.uk/Id/bnf-drug-codes",
"preferred": true
}
]

}

`Egton`

Overview

Kind

Codesystem

Unique IDs

Type	Value	Preferred
Uri	https://fhir.hl7.org.uk/Id/egton-codes	True

Table View

NamingSystem.id[0]	NamingSystem-Egton-Codes
NamingSystem.name[0]	Egton
NamingSystem.status[0]	active
NamingSystem.kind[0]	codesystem
NamingSystem.date[0]	2023-12-05
NamingSystem.publisher[0]	HL7 UK
NamingSystem.contact[0].name[0]	HL7 UK
NamingSystem.contact[0].telecom[0].system[0]	email
NamingSystem.contact[0].telecom[0].value[0]	ukcore@hl7.org.uk
NamingSystem.contact[0].telecom[0].use[0]	work
NamingSystem.contact[0].telecom[0].rank[0]	1
NamingSystem.responsible[0]	EMIS Health
NamingSystem.description[0]	EMIS local codes
NamingSystem.uniqueId[0].type[0]	uri
NamingSystem.uniqueId[0].value[0]	https://fhir.hl7.org.uk/Id/egton-codes
NamingSystem.uniqueId[0].preferred[0]	True

XML View

<id value="NamingSystem-Egton-Codes" />
<name value="Egton" />
<status value="active" />
<kind value="codesystem" />
<date value="2023-12-05" />
<publisher value="HL7 UK" />
<contact>
<name value="HL7 UK" />
<telecom>
<system value="email" />
<value value="ukcore@hl7.org.uk" />
<use value="work" />
<rank value="1" />
</telecom>
</contact>
<responsible value="EMIS Health" />
<description value="EMIS local codes" />
<uniqueId>
<type value="uri" />
<value value="https://fhir.hl7.org.uk/Id/egton-codes" />
<preferred value="true" />
</uniqueId>

</NamingSystem>

JSON View

{

"resourceType": "NamingSystem",
"id": "NamingSystem-Egton-Codes",
"name": "Egton",
"status": "active",
"kind": "codesystem",
"date": "2023-12-05",
"publisher": "HL7 UK",
"contact": [
{
"name": "HL7 UK",
"telecom": [
{
"system": "email",
"value": "ukcore@hl7.org.uk",
"use": "work",
"rank": 1
}
]
}
],
"responsible": "EMIS Health",
"description": "EMIS local codes",
"uniqueId": [
{
"type": "uri",
"value": "https://fhir.hl7.org.uk/Id/egton-codes",
"preferred": true
}
]

}

`EMIS Drug`

Overview

Kind

Codesystem

Usage

A coding system describing UK drugs and their ingredients developed by EMIS systems Ltd

Unique IDs

Type	Value	Preferred
Uri	https://fhir.hl7.org.uk/Id/emis-drug-codes	True
Oid	2.16.840.1.113883.2.1.6.9	False

Table View

NamingSystem.id[0]	NamingSystem-Emis-Drug
NamingSystem.name[0]	EMISDrug
NamingSystem.status[0]	active
NamingSystem.kind[0]	codesystem
NamingSystem.date[0]	2023-12-05
NamingSystem.publisher[0]	HL7 UK
NamingSystem.contact[0].name[0]	HL7 UK
NamingSystem.contact[0].telecom[0].system[0]	email
NamingSystem.contact[0].telecom[0].value[0]	ukcore@hl7.org.uk
NamingSystem.contact[0].telecom[0].use[0]	work
NamingSystem.contact[0].telecom[0].rank[0]	1
NamingSystem.responsible[0]	EMIS Health
NamingSystem.description[0]	EMIS drug codes
NamingSystem.usage[0]	A coding system describing UK drugs and their ingredients developed by EMIS systems Ltd
NamingSystem.uniqueId[0].type[0]	uri
NamingSystem.uniqueId[0].value[0]	https://fhir.hl7.org.uk/Id/emis-drug-codes
NamingSystem.uniqueId[0].preferred[0]	True
NamingSystem.uniqueId[1].type[0]	oid
NamingSystem.uniqueId[1].value[0]	2.16.840.1.113883.2.1.6.9
NamingSystem.uniqueId[1].preferred[0]	False

XML View

<id value="NamingSystem-Emis-Drug" />
<name value="EMISDrug" />
<status value="active" />
<kind value="codesystem" />
<date value="2023-12-05" />
<publisher value="HL7 UK" />
<contact>
<name value="HL7 UK" />
<telecom>
<system value="email" />
<value value="ukcore@hl7.org.uk" />
<use value="work" />
<rank value="1" />
</telecom>
</contact>
<responsible value="EMIS Health" />
<description value="EMIS drug codes" />
<usage value="A coding system describing UK drugs and their ingredients developed by EMIS systems Ltd" />
<uniqueId>
<type value="uri" />
<value value="https://fhir.hl7.org.uk/Id/emis-drug-codes" />
<preferred value="true" />
</uniqueId>
<uniqueId>
<type value="oid" />
<value value="2.16.840.1.113883.2.1.6.9" />
<preferred value="false" />
</uniqueId>

</NamingSystem>

JSON View

{

"resourceType": "NamingSystem",
"id": "NamingSystem-Emis-Drug",
"name": "EMISDrug",
"status": "active",
"kind": "codesystem",
"date": "2023-12-05",
"publisher": "HL7 UK",
"contact": [
{
"name": "HL7 UK",
"telecom": [
{
"system": "email",
"value": "ukcore@hl7.org.uk",
"use": "work",
"rank": 1
}
]
}
],
"responsible": "EMIS Health",
"description": "EMIS drug codes",
"usage": "A coding system describing UK drugs and their ingredients developed by EMIS systems Ltd",
"uniqueId": [
{
"type": "uri",
"value": "https://fhir.hl7.org.uk/Id/emis-drug-codes",
"preferred": true
},
{
"type": "oid",
"value": "2.16.840.1.113883.2.1.6.9",
"preferred": false
}
]

}

`Gemscript Drug`

Overview

Kind

Codesystem

Unique IDs

Type	Value	Preferred
Uri	https://fhir.hl7.org.uk/Id/resipuk-gemscript-drug-codes	True

Table View

NamingSystem.id[0]	NamingSystem-Resipuk-Gemscript-Drug-Codes
NamingSystem.name[0]	GemscriptDrug
NamingSystem.status[0]	active
NamingSystem.kind[0]	codesystem
NamingSystem.date[0]	2023-12-05
NamingSystem.publisher[0]	HL7 UK
NamingSystem.contact[0].name[0]	HL7 UK
NamingSystem.contact[0].telecom[0].system[0]	email
NamingSystem.contact[0].telecom[0].value[0]	ukcore@hl7.org.uk
NamingSystem.contact[0].telecom[0].use[0]	work
NamingSystem.contact[0].telecom[0].rank[0]	1
NamingSystem.responsible[0]	Resip Drug Database UK Ltd
NamingSystem.description[0]	Gemscript drug codes
NamingSystem.uniqueId[0].type[0]	uri
NamingSystem.uniqueId[0].value[0]	https://fhir.hl7.org.uk/Id/resipuk-gemscript-drug-codes
NamingSystem.uniqueId[0].preferred[0]	True

XML View

<id value="NamingSystem-Resipuk-Gemscript-Drug-Codes" />
<name value="GemscriptDrug" />
<status value="active" />
<kind value="codesystem" />
<date value="2023-12-05" />
<publisher value="HL7 UK" />
<contact>
<name value="HL7 UK" />
<telecom>
<system value="email" />
<value value="ukcore@hl7.org.uk" />
<use value="work" />
<rank value="1" />
</telecom>
</contact>
<responsible value="Resip Drug Database UK Ltd" />
<description value="Gemscript drug codes" />
<uniqueId>
<type value="uri" />
<value value="https://fhir.hl7.org.uk/Id/resipuk-gemscript-drug-codes" />
<preferred value="true" />
</uniqueId>

</NamingSystem>

JSON View

{

"resourceType": "NamingSystem",
"id": "NamingSystem-Resipuk-Gemscript-Drug-Codes",
"name": "GemscriptDrug",
"status": "active",
"kind": "codesystem",
"date": "2023-12-05",
"publisher": "HL7 UK",
"contact": [
{
"name": "HL7 UK",
"telecom": [
{
"system": "email",
"value": "ukcore@hl7.org.uk",
"use": "work",
"rank": 1
}
]
}
],
"responsible": "Resip Drug Database UK Ltd",
"description": "Gemscript drug codes",
"uniqueId": [
{
"type": "uri",
"value": "https://fhir.hl7.org.uk/Id/resipuk-gemscript-drug-codes",
"preferred": true
}
]

}

`Multilex Drug`

Overview

Kind

Codesystem

Unique IDs

Type	Value	Preferred
Uri	https://fhir.hl7.org.uk/Id/multilex-drug-codes	True

Table View

NamingSystem.id[0]	NamingSystem-Multilex-Drug-Codes
NamingSystem.name[0]	MultilexDrug
NamingSystem.status[0]	active
NamingSystem.kind[0]	codesystem
NamingSystem.date[0]	2023-12-05
NamingSystem.publisher[0]	HL7 UK
NamingSystem.contact[0].name[0]	HL7 UK
NamingSystem.contact[0].telecom[0].system[0]	email
NamingSystem.contact[0].telecom[0].value[0]	ukcore@hl7.org.uk
NamingSystem.contact[0].telecom[0].use[0]	work
NamingSystem.contact[0].telecom[0].rank[0]	1
NamingSystem.responsible[0]	First Databank
NamingSystem.description[0]	Multilex drug codes
NamingSystem.uniqueId[0].type[0]	uri
NamingSystem.uniqueId[0].value[0]	https://fhir.hl7.org.uk/Id/multilex-drug-codes
NamingSystem.uniqueId[0].preferred[0]	True

XML View

<id value="NamingSystem-Multilex-Drug-Codes" />
<name value="MultilexDrug" />
<status value="active" />
<kind value="codesystem" />
<date value="2023-12-05" />
<publisher value="HL7 UK" />
<contact>
<name value="HL7 UK" />
<telecom>
<system value="email" />
<value value="ukcore@hl7.org.uk" />
<use value="work" />
<rank value="1" />
</telecom>
</contact>
<responsible value="First Databank" />
<description value="Multilex drug codes" />
<uniqueId>
<type value="uri" />
<value value="https://fhir.hl7.org.uk/Id/multilex-drug-codes" />
<preferred value="true" />
</uniqueId>

</NamingSystem>

JSON View

{

"resourceType": "NamingSystem",
"id": "NamingSystem-Multilex-Drug-Codes",
"name": "MultilexDrug",
"status": "active",
"kind": "codesystem",
"date": "2023-12-05",
"publisher": "HL7 UK",
"contact": [
{
"name": "HL7 UK",
"telecom": [
{
"system": "email",
"value": "ukcore@hl7.org.uk",
"use": "work",
"rank": 1
}
]
}
],
"responsible": "First Databank",
"description": "Multilex drug codes",
"uniqueId": [
{
"type": "uri",
"value": "https://fhir.hl7.org.uk/Id/multilex-drug-codes",
"preferred": true
}
]

}

`SNOMED CT`

Overview

Kind

Codesystem

Unique IDs

Type	Value	Preferred	Comment
Uri	http://snomed.info/sct	True
Oid	2.16.840.1.113883.6.96	False	International OID
Oid	2.16.840.1.113883.2.1.3.2.4.15	False	SnomedCT - UK Edition of SNOMED Clinical Terms. [NPfIT]

Table View

NamingSystem.id[0]	NamingSystem-SNOMEDCT
NamingSystem.name[0]	SNOMEDCT
NamingSystem.status[0]	active
NamingSystem.kind[0]	codesystem
NamingSystem.date[0]	2023-12-05
NamingSystem.publisher[0]	HL7 UK
NamingSystem.contact[0].name[0]	HL7 UK
NamingSystem.contact[0].telecom[0].system[0]	email
NamingSystem.contact[0].telecom[0].value[0]	ukcore@hl7.org.uk
NamingSystem.contact[0].telecom[0].use[0]	work
NamingSystem.contact[0].telecom[0].rank[0]	1
NamingSystem.responsible[0]	International Health Terminology Standards Development Organisation
NamingSystem.description[0]	SNOMED CT. For details of the international organisation see: [SNOMED International](https://www.snomed.org/). For details of SNOMED CT usage in NHS: [NHS England](https://www.england.nhs.uk/digitaltechnology/digital-primary-care/snomed-ct/)
NamingSystem.uniqueId[0].type[0]	uri
NamingSystem.uniqueId[0].value[0]	http://snomed.info/sct
NamingSystem.uniqueId[0].preferred[0]	True
NamingSystem.uniqueId[1].type[0]	oid
NamingSystem.uniqueId[1].value[0]	2.16.840.1.113883.6.96
NamingSystem.uniqueId[1].preferred[0]	False
NamingSystem.uniqueId[1].comment[0]	International OID
NamingSystem.uniqueId[2].type[0]	oid
NamingSystem.uniqueId[2].value[0]	2.16.840.1.113883.2.1.3.2.4.15
NamingSystem.uniqueId[2].preferred[0]	False
NamingSystem.uniqueId[2].comment[0]	SnomedCT - UK Edition of SNOMED Clinical Terms. [NPfIT]

XML View

<system value="email" />
<value value="ukcore@hl7.org.uk" />
<use value="work" />
<rank value="1" />

</telecom>

</contact>

<type value="uri" />
<value value="http://snomed.info/sct" />
<preferred value="true" />

</uniqueId>

<type value="oid" />
<value value="2.16.840.1.113883.6.96" />
<preferred value="false" />
<comment value="International OID" />

</uniqueId>

<type value="oid" />
<value value="2.16.840.1.113883.2.1.3.2.4.15" />
<preferred value="false" />
<comment value="SnomedCT - UK Edition of SNOMED Clinical Terms. [NPfIT]" />

</uniqueId>

</NamingSystem>

JSON View

{

"resourceType": "NamingSystem",
"id": "NamingSystem-SNOMEDCT",
"name": "SNOMEDCT",
"status": "active",
"kind": "codesystem",
"date": "2023-12-05",
"publisher": "HL7 UK",
"contact": [
{
"name": "HL7 UK",
"telecom": [
{
"system": "email",
"value": "ukcore@hl7.org.uk",
"use": "work",
"rank": 1
}
]
}
],
"responsible": "International Health Terminology Standards Development Organisation",
"description": "SNOMED CT. For details of the international organisation see: [SNOMED International](https://www.snomed.org/). For details of SNOMED CT usage in NHS: [NHS England](https://www.england.nhs.uk/digitaltechnology/digital-primary-care/snomed-ct/)",
"uniqueId": [
{
"type": "uri",
"value": "http://snomed.info/sct",
"preferred": true
},
{
"type": "oid",
"value": "2.16.840.1.113883.6.96",
"preferred": false,
"comment": "International OID"
},
{
"type": "oid",
"value": "2.16.840.1.113883.2.1.3.2.4.15",
"preferred": false,
"comment": "SnomedCT - UK Edition of SNOMED Clinical Terms. [NPfIT]"
}
]

}

`READ V2`

Overview

Kind

Codesystem

Usage

Read Codes are a coded thesaurus of clinical terms, used in UK primary care.

Unique IDs

Type	Value	Preferred
Uri	http://read.info/readv2	True

Table View

NamingSystem.id[0]	NamingSystem-ReadV2
NamingSystem.name[0]	READV2
NamingSystem.status[0]	retired
NamingSystem.kind[0]	codesystem
NamingSystem.date[0]	2023-12-05
NamingSystem.publisher[0]	HL7 UK
NamingSystem.contact[0].name[0]	HL7 UK
NamingSystem.contact[0].telecom[0].system[0]	email
NamingSystem.contact[0].telecom[0].value[0]	ukcore@hl7.org.uk
NamingSystem.contact[0].telecom[0].use[0]	work
NamingSystem.contact[0].telecom[0].rank[0]	1
NamingSystem.responsible[0]	NHS England
NamingSystem.description[0]	Read Codes version 2
NamingSystem.usage[0]	Read Codes are a coded thesaurus of clinical terms, used in UK primary care.
NamingSystem.uniqueId[0].type[0]	uri
NamingSystem.uniqueId[0].value[0]	http://read.info/readv2
NamingSystem.uniqueId[0].preferred[0]	True

XML View

<id value="NamingSystem-ReadV2" />
<name value="READV2" />
<status value="retired" />
<kind value="codesystem" />
<date value="2023-12-05" />
<publisher value="HL7 UK" />
<contact>
<name value="HL7 UK" />
<telecom>
<system value="email" />
<value value="ukcore@hl7.org.uk" />
<use value="work" />
<rank value="1" />
</telecom>
</contact>
<responsible value="NHS England" />
<description value="Read Codes version 2" />
<usage value="Read Codes are a coded thesaurus of clinical terms, used in UK primary care." />
<uniqueId>
<type value="uri" />
<value value="http://read.info/readv2" />
<preferred value="true" />
</uniqueId>

</NamingSystem>

JSON View

{

"resourceType": "NamingSystem",
"id": "NamingSystem-ReadV2",
"name": "READV2",
"status": "retired",
"kind": "codesystem",
"date": "2023-12-05",
"publisher": "HL7 UK",
"contact": [
{
"name": "HL7 UK",
"telecom": [
{
"system": "email",
"value": "ukcore@hl7.org.uk",
"use": "work",
"rank": 1
}
]
}
],
"responsible": "NHS England",
"description": "Read Codes version 2",
"usage": "Read Codes are a coded thesaurus of clinical terms, used in UK primary care.",
"uniqueId": [
{
"type": "uri",
"value": "http://read.info/readv2",
"preferred": true
}
]

}

`READ CTV3`

Overview

Kind

Codesystem

Usage

Read Codes are a coded thesaurus of clinical terms, used in UK primary care.

Unique IDs

Type	Value	Preferred
Uri	http://read.info/readctv3	True

Table View

NamingSystem.id[0]	NamingSystem-ReadCTV3
NamingSystem.name[0]	READCTV3
NamingSystem.status[0]	retired
NamingSystem.kind[0]	codesystem
NamingSystem.date[0]	2023-12-05
NamingSystem.publisher[0]	HL7 UK
NamingSystem.contact[0].name[0]	HL7 UK
NamingSystem.contact[0].telecom[0].system[0]	email
NamingSystem.contact[0].telecom[0].value[0]	ukcore@hl7.org.uk
NamingSystem.contact[0].telecom[0].use[0]	work
NamingSystem.contact[0].telecom[0].rank[0]	1
NamingSystem.responsible[0]	NHS England
NamingSystem.description[0]	Read Codes version 3.
NamingSystem.usage[0]	Read Codes are a coded thesaurus of clinical terms, used in UK primary care.
NamingSystem.uniqueId[0].type[0]	uri
NamingSystem.uniqueId[0].value[0]	http://read.info/readctv3
NamingSystem.uniqueId[0].preferred[0]	True

XML View

<id value="NamingSystem-ReadCTV3" />
<name value="READCTV3" />
<status value="retired" />
<kind value="codesystem" />
<date value="2023-12-05" />
<publisher value="HL7 UK" />
<contact>
<name value="HL7 UK" />
<telecom>
<system value="email" />
<value value="ukcore@hl7.org.uk" />
<use value="work" />
<rank value="1" />
</telecom>
</contact>
<responsible value="NHS England" />
<description value="Read Codes version 3." />
<usage value="Read Codes are a coded thesaurus of clinical terms, used in UK primary care." />
<uniqueId>
<type value="uri" />
<value value="http://read.info/readctv3" />
<preferred value="true" />
</uniqueId>

</NamingSystem>

JSON View

{

"resourceType": "NamingSystem",
"id": "NamingSystem-ReadCTV3",
"name": "READCTV3",
"status": "retired",
"kind": "codesystem",
"date": "2023-12-05",
"publisher": "HL7 UK",
"contact": [
{
"name": "HL7 UK",
"telecom": [
{
"system": "email",
"value": "ukcore@hl7.org.uk",
"use": "work",
"rank": 1
}
]
}
],
"responsible": "NHS England",
"description": "Read Codes version 3.",
"usage": "Read Codes are a coded thesaurus of clinical terms, used in UK primary care.",
"uniqueId": [
{
"type": "uri",
"value": "http://read.info/readctv3",
"preferred": true
}
]

}