Release 5 Draft Ballot

This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions Value Set

Vocabulary Work Group Maturity Level: NNormative (from v4.0.0) Use Context: Any

This is a value set defined by the FHIR project.


Defining URL:
Name:Identifier Type Codes

A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.

Committee:Vocabulary Work Group
OID:2.16.840.1.113883.4.642.3.45 (for OID based terminology systems)
Source Resource:XML / JSON

Note for Implementer:

Types are for general categories of identifiers. See the identifier registry for a list of common identifier systems

This value set is used in the following places:

  • Include these codes as defined in
    DL Driver's license numberDriver's license number
    PPN Passport numberA unique number assigned to the document affirming that a person is a citizen of the country.
    BRN Breed Registry NumberBreed Registry Number
    MR Medical record numberAn identifier that is unique to a patient within a set of medical records, not necessarily unique within an application.
    MCN Microchip NumberMicrochip Number
    EN Employer numberEmployer number
    TAX Tax ID numberTax ID number
    NIIP National Insurance Payor Identifier (Payor)National Insurance Payor Identifier (Payor)
    PRN Provider numberA number that is unique to an individual provider, a provider group or an organization within an Assigning Authority.
    MD Medical License numberAn identifier that is unique to a medical doctor within the jurisdiction of a licensing board.
    DR Donor Registration NumberDonor Registration Number
    ACSN Accession IDAccession Identifier
    UDI Universal Device IdentifierAn identifier assigned to a device using the Unique Device Identification framework as defined by IMDRF (
    SNO Serial NumberAn identifier affixed to an item by the manufacturer when it is first made, where each item has a different identifier.
    SB Social Beneficiary IdentifierAn identifier issued by a governmental organization to a person to identify the person should they apply for or receive social services and/or benefits
    PLAC Placer IdentifierAn identifier for a request where the identifier is issued by the person or service making the request.
    FILL Filler IdentifierAn identifier for a request where the identifier is issued by the person, or service, that produces the observations or fulfills the request.
    JHN Jurisdictional health numberJurisdictional health number


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

Explanation of the columns that may appear on this page:

LvlA few code lists that FHIR defines are hierarchical - each code is assigned a level. For value sets, levels are mostly used to organize codes for user convenience, but may follow code system hierarchy - see Code System for further information
SourceThe source of the definition of the code (when the value set draws in codes defined elsewhere)
CodeThe code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
DisplayThe display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
DefinitionAn explanation of the meaning of the concept
CommentsAdditional notes about how to use the code