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See the Directory of published versions

4.4.1.350 ValueSet http://hl7.org/fhir/ValueSet/namingsystem-identifier-system-type

Terminology Infrastructure Work Group

Maturity Level: 1

Trial Use

Use Context: Country: World

• Narrative
• XML
• JSON
• TTL

This value set is used in the following places:

• Resource: NamingSystem.type (CodeableConcept / Preferred)
• Profile: ShareableNamingSystem: NamingSystem.type (CodeableConcept / Preferred)
• Profile: PublishableNamingSystem: NamingSystem.type (CodeableConcept / Preferred)

4.4.1.350.1 Definition

Identifies the style of unique identifier used to identify a namespace.

4.4.1.350.2 Content Logical Definition

4.4.1.350.3 Expansion

This expansion generated 28 Aug 2025

ValueSet

Expansion performed internally based on codesystem identifierType v5.0.0 (CodeSystem)

This value set contains 146 concepts

Code	System	Display	Definition
AC	http://terminology.hl7.org/CodeSystem/v2-0203	Accreditation/Certification Identifier	Identifier that has been assigned by an accreditation or certification organization in specific fields, indicating a recognized skill
ACSN	http://terminology.hl7.org/CodeSystem/v2-0203	Accession ID	Accession Identifier
AIN	http://terminology.hl7.org/CodeSystem/v2-0203	Animal Identification Number (US Official)	A numbering system for the official identification of individual animals in the United States that provides a nationally unique identification number for each animal. The first two numbers on a tag are the numbers assigned to a specific State.
AM	http://terminology.hl7.org/CodeSystem/v2-0203	American Express	American Express
AMA	http://terminology.hl7.org/CodeSystem/v2-0203	American Medical Association Number	A physician identifier assigned by the AMA.
AN	http://terminology.hl7.org/CodeSystem/v2-0203	Account number	Account An identifier that is unique to an account.
ANC	http://terminology.hl7.org/CodeSystem/v2-0203	Account number Creditor	A more precise definition of an account number
AND	http://terminology.hl7.org/CodeSystem/v2-0203	Account number debitor	A more precise definition of an account number
ANON	http://terminology.hl7.org/CodeSystem/v2-0203	Anonymous identifier	An identifier for a living subject whose real identity is protected or suppressed
ANT	http://terminology.hl7.org/CodeSystem/v2-0203	Temporary Account Number	Temporary version of an Account Number
APRN	http://terminology.hl7.org/CodeSystem/v2-0203	Advanced Practice Registered Nurse number	An identifier that is unique to an advanced practice registered nurse within the jurisdiction of a certifying board
ASID	http://terminology.hl7.org/CodeSystem/v2-0203	Ancestor Specimen ID	A unique identifier for the ancestor specimen.
BA	http://terminology.hl7.org/CodeSystem/v2-0203	Bank Account Number	Bank Account Number
BC	http://terminology.hl7.org/CodeSystem/v2-0203	Bank Card Number	An identifier that is unique to a person's bank card
BCFN	http://terminology.hl7.org/CodeSystem/v2-0203	Birth Certificate File Number	The identifier used within the jurisdictional vital records office file system as an auxiliary means of accessing the record associated with the birth certificate.
BCT	http://terminology.hl7.org/CodeSystem/v2-0203	Birth Certificate	A number associated with a document identifying the event of a person's birth
BR	http://terminology.hl7.org/CodeSystem/v2-0203	Birth registry number	An identifier unique within the Assigning Authority that is the official legal record of a person's birth.
BRN	http://terminology.hl7.org/CodeSystem/v2-0203	Breed Registry Number	Breed Registry Number
BSNR	http://terminology.hl7.org/CodeSystem/v2-0203	Primary physician office number	Primary physician office number
CAAI	http://terminology.hl7.org/CodeSystem/v2-0203	Consumer Application Account Identifier	An identifier for the consumer (e.g., patient, caregiver) for an application such as a portal or App.
CC	http://terminology.hl7.org/CodeSystem/v2-0203	Cost Center number	Cost Center number
CONM	http://terminology.hl7.org/CodeSystem/v2-0203	Change of Name Document	A number associated with a document identifying a person's legal change of name.
CY	http://terminology.hl7.org/CodeSystem/v2-0203	County number	County number
CZ	http://terminology.hl7.org/CodeSystem/v2-0203	Citizenship Card	A number assigned by a person's country of residence to identify a person's citizenship.
DC	http://terminology.hl7.org/CodeSystem/v2-0203	Death Certificate ID	The identifier assigned to a death certificate, and printed on the death certificate when issued by a jurisdictional vital records office
DCFN	http://terminology.hl7.org/CodeSystem/v2-0203	Death Certificate File Number	The identifier used within the jurisdictional vital records office file system as an auxiliary means of accessing the record associated with the death certificate.
DDS	http://terminology.hl7.org/CodeSystem/v2-0203	Dentist license number	An identifier that is unique to a dentist within the jurisdiction of the licensing board
DEA	http://terminology.hl7.org/CodeSystem/v2-0203	Drug Enforcement Administration registration number	An identifier for an individual or organization relative to controlled substance regulation and transactions.
DFN	http://terminology.hl7.org/CodeSystem/v2-0203	Drug Furnishing or prescriptive authority Number	An identifier issued to a health care provider authorizing the person to write drug orders
DI	http://terminology.hl7.org/CodeSystem/v2-0203	Diner's Club card	Diner's Club card
DL	http://terminology.hl7.org/CodeSystem/v2-0203	Driver's license number	Driver's license number
DN	http://terminology.hl7.org/CodeSystem/v2-0203	Doctor number	Doctor number
DO	http://terminology.hl7.org/CodeSystem/v2-0203	Osteopathic License number	An identifier that is unique to an osteopath within the jurisdiction of a licensing board.
DP	http://terminology.hl7.org/CodeSystem/v2-0203	Diplomatic Passport	A number assigned to a diplomatic passport.
DPM	http://terminology.hl7.org/CodeSystem/v2-0203	Podiatrist license number	An identifier that is unique to a podiatrist within the jurisdiction of the licensing board.
DR	http://terminology.hl7.org/CodeSystem/v2-0203	Donor Registration Number	Donor Registration Number
DS	http://terminology.hl7.org/CodeSystem/v2-0203	Discover Card	Discover Card
DSG	http://terminology.hl7.org/CodeSystem/v2-0203	Diagnostic Study Group	Unique Identifier that groups several orders that are to be performed together.
EI	http://terminology.hl7.org/CodeSystem/v2-0203	Employee number	A number that uniquely identifies an employee to an employer.
EN	http://terminology.hl7.org/CodeSystem/v2-0203	Employer number	Employer number
ESN	http://terminology.hl7.org/CodeSystem/v2-0203	Staff Enterprise Number	An identifier that is unique to a staff member within an enterprise (as identified by the Assigning Authority).
ETIN	http://terminology.hl7.org/CodeSystem/v2-0203	Electronic Transmitter Identification Number	A unique identifier usually assigned by a health plan or clearinghouse to an organization or provider that electronically transmits healthcare transactions, such as claims, eligibility inquiries, or remittance advices.
FDR	http://terminology.hl7.org/CodeSystem/v2-0203	Fetal Death Report ID	The identifier assigned to a fetal death report, and printed on the fetal death report when issued by a jurisdictional vital records office
FDRFN	http://terminology.hl7.org/CodeSystem/v2-0203	Fetal Death Report File Number	The identifier used within the jurisdictional vital records office file system as an auxiliary means of accessing the record associated with the fetal death report certificate.
FGN	http://terminology.hl7.org/CodeSystem/v2-0203	Filler Group Number	Unique identifier assigned to a group of orders by the filler application.
FI	http://terminology.hl7.org/CodeSystem/v2-0203	Facility ID	Facility ID
FILL	http://terminology.hl7.org/CodeSystem/v2-0203	Filler Identifier	An identifier for a request where the identifier is issued by the person, or service, that produces the observations or fulfills the request.
GI	http://terminology.hl7.org/CodeSystem/v2-0203	Guarantor internal identifier	Guarantor internal identifier
GIN	http://terminology.hl7.org/CodeSystem/v2-0203	Animal Group Identifier (US Official)	Identifier that can be used to unambiguously describe a specific group of animals.
GKV	http://terminology.hl7.org/CodeSystem/v2-0203	Insured's ID with Public Insurance	Identifier that can be used to unambiguously describe the ID of a patient with a public insurance company.
GL	http://terminology.hl7.org/CodeSystem/v2-0203	General ledger number	General ledger number
GN	http://terminology.hl7.org/CodeSystem/v2-0203	Guarantor external identifier	Guarantor external identifier
HC	http://terminology.hl7.org/CodeSystem/v2-0203	Health Card Number	Health Card Number
IND	http://terminology.hl7.org/CodeSystem/v2-0203	Indigenous/Aboriginal	A number assigned to a member of an indigenous or aboriginal group outside of Canada.
IRISTEM	http://terminology.hl7.org/CodeSystem/v2-0203	An IRI stem	An IRI string that can be prepended to the code to obtain a concept IRI for RDF applications. This should be a valid, absolute IRI as defined in RFC 3987. See https://hl7.org/fhir/rdf.html#iri-stem for details on how this value may be used.
JHN	http://terminology.hl7.org/CodeSystem/v2-0203	Jurisdictional health number	Jurisdictional health number
KZVA	http://terminology.hl7.org/CodeSystem/v2-0203	Dentist Office Number	Identifier that can be used to unambiguously identify the practice of a dentist.
LACSN	http://terminology.hl7.org/CodeSystem/v2-0203	Laboratory Accession ID	A laboratory accession id is used in the laboratory domain.
LANR	http://terminology.hl7.org/CodeSystem/v2-0203	Lifelong physician number	Lifelong physician number
LI	http://terminology.hl7.org/CodeSystem/v2-0203	Labor and industries number	Labor and industries number
L&I	http://terminology.hl7.org/CodeSystem/v2-0203	Labor and industries number	Labor and industries number. Note that this was introduced erroneously (with an ampersand in the code value) many years ago.
LN	http://terminology.hl7.org/CodeSystem/v2-0203	License number	License number
LR	http://terminology.hl7.org/CodeSystem/v2-0203	Local Registry ID	Local Registry ID
MA	http://terminology.hl7.org/CodeSystem/v2-0203	Patient Medicaid number	Patient Medicaid number
MB	http://terminology.hl7.org/CodeSystem/v2-0203	Member Number	An identifier for the insured of an insurance policy (this insured always has a subscriber), usually assigned by the insurance carrier.
MC	http://terminology.hl7.org/CodeSystem/v2-0203	Patient's Medicare number	Patient's Medicare number
MCD	http://terminology.hl7.org/CodeSystem/v2-0203	Practitioner Medicaid number	Practitioner Medicaid number
MCN	http://terminology.hl7.org/CodeSystem/v2-0203	Microchip Number	Microchip Number
MCR	http://terminology.hl7.org/CodeSystem/v2-0203	Practitioner Medicare number	Practitioner Medicare number
MCT	http://terminology.hl7.org/CodeSystem/v2-0203	Marriage Certificate	A number associated with a document identifying the event of a person's marriage.
MD	http://terminology.hl7.org/CodeSystem/v2-0203	Medical License number	An identifier that is unique to a medical doctor within the jurisdiction of a licensing board.
MI	http://terminology.hl7.org/CodeSystem/v2-0203	Military ID number	A number assigned to an individual who has had military duty, but is not currently on active duty. The number is assigned by the DOD or Veterans' Affairs (VA).
MR	http://terminology.hl7.org/CodeSystem/v2-0203	Medical record number	An identifier that is unique to a patient within a set of medical records, not necessarily unique within an application.
MRT	http://terminology.hl7.org/CodeSystem/v2-0203	Temporary Medical Record Number	Temporary version of a Medical Record Number
MS	http://terminology.hl7.org/CodeSystem/v2-0203	MasterCard	MasterCard
NBSNR	http://terminology.hl7.org/CodeSystem/v2-0203	Secondary physician office number	Secondary physician office number
NCT	http://terminology.hl7.org/CodeSystem/v2-0203	Naturalization Certificate	A number associated with a document identifying a person's retention of citizenship in a particular country.
NE	http://terminology.hl7.org/CodeSystem/v2-0203	National employer identifier	National employer identifier
NH	http://terminology.hl7.org/CodeSystem/v2-0203	National Health Plan Identifier	National Health Plan Identifier
NI	http://terminology.hl7.org/CodeSystem/v2-0203	National unique individual identifier	National unique individual identifier
NII	http://terminology.hl7.org/CodeSystem/v2-0203	National Insurance Organization Identifier	National Insurance Organization Identifier
NIIH	http://terminology.hl7.org/CodeSystem/v2-0203	National Insurance Headquarters Organization Identifier	National Insurance Headquarters Organization Identifier
NIIP	http://terminology.hl7.org/CodeSystem/v2-0203	National Insurance Payor Identifier (Payor)	National Insurance Payor Identifier (Payor)
NNxxx	http://terminology.hl7.org/CodeSystem/v2-0203	National Person Identifier where the xxx is the ISO table 3166 3-character (alphabetic) country code	National Person Identifier where the xxx is the ISO table 3166 3-character (alphabetic) country code
NP	http://terminology.hl7.org/CodeSystem/v2-0203	Nurse practitioner number	An identifier that is unique to a nurse practitioner within the jurisdiction of a certifying board.
NPI	http://terminology.hl7.org/CodeSystem/v2-0203	National provider identifier	National provider identifier
OBI	http://terminology.hl7.org/CodeSystem/v2-0203	Observation Instance Identifier	Unique and persistent identifier for an observation instance
OD	http://terminology.hl7.org/CodeSystem/v2-0203	Optometrist license number	A number that is unique to an individual optometrist within the jurisdiction of the licensing board.
PA	http://terminology.hl7.org/CodeSystem/v2-0203	Physician Assistant number	An identifier that is unique to a physician assistant within the jurisdiction of a licensing board
PAYERID	http://terminology.hl7.org/CodeSystem/v2-0203	Payer Identifier	A unique identifier, usually assigned by a health plan or clearinghouse, used in electronic healthcare transactions to designate the specific health insurance company or plan that is the recipient or sender of the transaction.
PC	http://terminology.hl7.org/CodeSystem/v2-0203	Parole Card	A number identifying a person on parole.
PCN	http://terminology.hl7.org/CodeSystem/v2-0203	Penitentiary/correctional institution Number	A number assigned to individual who is incarcerated.
PE	http://terminology.hl7.org/CodeSystem/v2-0203	Living Subject Enterprise Number	An identifier that is unique to a living subject within an enterprise (as identified by the Assigning Authority).
PEN	http://terminology.hl7.org/CodeSystem/v2-0203	Pension Number	Pension Number
PGN	http://terminology.hl7.org/CodeSystem/v2-0203	Placer Group Number	Unique identifier assigned to a group of orders by the placer application.
PHC	http://terminology.hl7.org/CodeSystem/v2-0203	Public Health Case Identifier	Identifier assigned to a person during a case investigation as part of a public health event
PHE	http://terminology.hl7.org/CodeSystem/v2-0203	Public Health Event Identifier	Identifier assigned to an event of interest to public health
PHO	http://terminology.hl7.org/CodeSystem/v2-0203	Public Health Official ID	An identifier for a person working at a public health agency (PHA), assigned or issued by the agency
PI	http://terminology.hl7.org/CodeSystem/v2-0203	Patient internal identifier	A number that is unique to a patient within an Assigning Authority.
PIN	http://terminology.hl7.org/CodeSystem/v2-0203	Premises Identifier Number (US Official)	Identifier that uniquely identifies a geographic location in the US.
PKV	http://terminology.hl7.org/CodeSystem/v2-0203	Insured's ID with Private Insurance	Identifier that can be used to unambiguously describe the ID of a patient with a private insurance company.
PLAC	http://terminology.hl7.org/CodeSystem/v2-0203	Placer Identifier	An identifier for a request where the identifier is issued by the person or service making the request.
PN	http://terminology.hl7.org/CodeSystem/v2-0203	Person number	A number that is unique to a living subject within an Assigning Authority.
PNT	http://terminology.hl7.org/CodeSystem/v2-0203	Temporary Living Subject Number	Temporary version of a Living Subject Number.
PPIN	http://terminology.hl7.org/CodeSystem/v2-0203	Medicare/CMS Performing Provider Identification Number	Medicare/CMS Performing Provider Identification Number
PPN	http://terminology.hl7.org/CodeSystem/v2-0203	Passport number	A unique number assigned to the document affirming that a person is a citizen of the country.
PRC	http://terminology.hl7.org/CodeSystem/v2-0203	Permanent Resident Card Number	Permanent Resident Card Number
PRN	http://terminology.hl7.org/CodeSystem/v2-0203	Provider number	A number that is unique to an individual provider, a provider group or an organization within an Assigning Authority.
PT	http://terminology.hl7.org/CodeSystem/v2-0203	Patient external identifier	Patient external identifier
QA	http://terminology.hl7.org/CodeSystem/v2-0203	QA number	QA number
RI	http://terminology.hl7.org/CodeSystem/v2-0203	Resource identifier	A generalized resource identifier.
RN	http://terminology.hl7.org/CodeSystem/v2-0203	Registered Nurse Number	An identifier that is unique to a registered nurse within the jurisdiction of the licensing board.
RPH	http://terminology.hl7.org/CodeSystem/v2-0203	Pharmacist license number	An identifier that is unique to a pharmacist within the jurisdiction of the licensing board.
RR	http://terminology.hl7.org/CodeSystem/v2-0203	Railroad Retirement number	An identifier for an individual enrolled with the Railroad Retirement Administration. Analogous to, but distinct from, a Social Security Number
RRI	http://terminology.hl7.org/CodeSystem/v2-0203	Regional registry ID	Regional registry ID
RRP	http://terminology.hl7.org/CodeSystem/v2-0203	Railroad Retirement Provider	Railroad Retirement Provider
SAMN	http://terminology.hl7.org/CodeSystem/v2-0203	SAMN# accession Number	The accession number for the BioSample data repository at the National Center for Biotechnology Information (NCBI)
SB	http://terminology.hl7.org/CodeSystem/v2-0203	Social Beneficiary Identifier	An identifier issued by a governmental organization to a person to identify the person should they apply for or receive social services and/or benefits
SID	http://terminology.hl7.org/CodeSystem/v2-0203	Specimen ID	Identifier for a specimen.
SL	http://terminology.hl7.org/CodeSystem/v2-0203	State license	State license
SN	http://terminology.hl7.org/CodeSystem/v2-0203	Subscriber Number	An identifier for a subscriber of an insurance policy which is unique for, and usually assigned by, the insurance carrier.
SNBSN	http://terminology.hl7.org/CodeSystem/v2-0203	State assigned NDBS card Identifier	The identifier on a Newborn Screening Dried Bloodspot (NDBS) card that is assigned by the state which provided the sample collection cards and to whom this information must be reported
SNO	http://terminology.hl7.org/CodeSystem/v2-0203	Serial Number	An identifier affixed to an item by the manufacturer when it is first made, where each item has a different identifier.
SP	http://terminology.hl7.org/CodeSystem/v2-0203	Study Permit	A number associated with a permit identifying a person who is a resident of a jurisdiction for the purpose of education.
SR	http://terminology.hl7.org/CodeSystem/v2-0203	State registry ID	State registry ID
SRX	http://terminology.hl7.org/CodeSystem/v2-0203	SRA Accession number	The accession number generated by the Sequence Read Archive (SRA) at the National Center for Biotechnology Information (NCBI) when sequence data are uploaded to NCBI.
SS	http://terminology.hl7.org/CodeSystem/v2-0203	Social Security number	Social Security number
STN	http://terminology.hl7.org/CodeSystem/v2-0203	Shipment Tracking Number	Identifier assigned to a package being shipped
TAX	http://terminology.hl7.org/CodeSystem/v2-0203	Tax ID number	Tax ID number
TN	http://terminology.hl7.org/CodeSystem/v2-0203	Treaty Number/ (Canada)	A number assigned to a member of an indigenous group in Canada.
TPR	http://terminology.hl7.org/CodeSystem/v2-0203	Temporary Permanent Resident (Canada)	A number associated with a document identifying a person's temporary permanent resident status.
TRL	http://terminology.hl7.org/CodeSystem/v2-0203	Training License Number	The license number used during training.
U	http://terminology.hl7.org/CodeSystem/v2-0203	Unspecified identifier	Unspecified identifier
UDI	http://terminology.hl7.org/CodeSystem/v2-0203	Universal Device Identifier	An identifier assigned to a device using the Unique Device Identification framework as defined by IMDRF (http://imdrf.org).
UCID	http://terminology.hl7.org/CodeSystem/v2-0203	Unique Claim Identifier	A unique identifier assigned by a payer for a claim received from a provider or subscriber.
UPIN	http://terminology.hl7.org/CodeSystem/v2-0203	Medicare/CMS (formerly HCFA)'s Universal Physician Identification numbers	An identifier for a provider within the CMS/Medicare program. A globally unique identifier for the provider in the Medicare program.
USID	http://terminology.hl7.org/CodeSystem/v2-0203	Unique Specimen ID	A unique identifier for a specimen.
VN	http://terminology.hl7.org/CodeSystem/v2-0203	Visit number	Visit number
VP	http://terminology.hl7.org/CodeSystem/v2-0203	Visitor Permit	A number associated with a document identifying a person as a visitor of a jurisdiction or country.
VS	http://terminology.hl7.org/CodeSystem/v2-0203	VISA	VISA
WC	http://terminology.hl7.org/CodeSystem/v2-0203	WIC identifier	WIC identifier
WCN	http://terminology.hl7.org/CodeSystem/v2-0203	Workers' Comp Number	Workers' Comp Number
WP	http://terminology.hl7.org/CodeSystem/v2-0203	Work Permit	A number associated with a permit for a person who is granted permission to work in a country for a specified time period.
XV	http://terminology.hl7.org/CodeSystem/v2-0203	Health Plan Identifier	National unique health plan identifier required by the US Department of Health and Human Services, Centers for Medicare and Medicaid Services (CMS) in the US Realm.
XX	http://terminology.hl7.org/CodeSystem/v2-0203	Organization identifier	Organization identifier
ZANR	http://terminology.hl7.org/CodeSystem/v2-0203	Dentist Identifier	Identifier that can be used to unambiguously describe the ID of a dentist.

Additional Language Displays

Code	Deutsch (German, de)
AC
ACSN
AIN
AM	American Express
AMA
AN	Kontonummer
ANC
AND
ANON
ANT
APRN
ASID
BA
BC
BCFN
BCT
BR	Geburtsregisternummer
BRN
BSNR
CAAI
CC
CONM
CY
CZ
DC
DCFN
DDS
DEA
DFN
DI	Diners Club
DL	Führerscheinnummer
DN	Arztnummer
DO
DP
DPM
DR
DS	Discover Card
DSG
EI	Arbeitnehmernummer
EN	Arbeitgebernummer
ESN
ETIN
FDR
FDRFN
FGN
FI
FILL
GI	interne ID des Zahlungspflichtigen
GIN
GKV
GL
GN	externe ID des Zahlungspflichtigen
HC
IND
IRISTEM
JHN
KZVA
LACSN
LANR
LI
L&I
LN
LR
MA	Armennummer
MB
MC	Rentnernummer
MCD
MCN
MCR
MCT
MD
MI
MR	Krankenaktennummer
MRT
MS	MasterCard
NBSNR
NCT
NE
NH
NI
NII	Institutskennzeichen der Krankenkasse
NIIH	Institutskennzeichen des Krankenkassensitzes
NIIP	Vertragskassennummer (VKNR)
NNxxx
NP
NPI
OBI
OD
PA	Assistenzarztnummer
PAYERID
PC
PCN
PE
PEN
PGN
PHC
PHE
PHO
PI	interne Patienten-ID
PIN
PKV
PLAC
PN	Personen-ID
PNT
PPIN
PPN	Passnummer
PRC
PRN
PT	externe Patienten-ID
QA
RI
RN
RPH
RR	Seniorenkartennummer
RRI
RRP
SAMN
SB
SID
SL
SN
SNBSN
SNO
SP
SR
SRX
SS	Sozialversicherungsnummer
STN
TAX	Steueridentifikationsnummer
TN
TPR
TRL
U
UDI
UCID
UPIN
USID
VN	Fallnummer
VP	Besucherkennung
VS	VISA
WC
WCN
WP
XV
XX	Organisations-ID
ZANR

See the full registry of value sets defined as part of FHIR.

Explanation of the columns that may appear on this page: