Interoperable Digital Identity and Patient Matching
2.0.0-draft - STU 2.0.0-draft United States of America flag

Interoperable Digital Identity and Patient Matching, published by HL7 International / Patient Administration. This guide is not an authorized publication; it is the continuous build for version 2.0.0-draft built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of and changes regularly. See the Directory of published versions

ValueSet: Identity Identifier Value Set

Official URL: Version: 2.0.0-draft
Standards status: Trial-use Computable Name: IdentityIdentifierValueSet

Codes describing various identifiers to be used in Patient resource for $match.


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Logical Definition (CLD)

Generated Narrative: ValueSet Identity-Identifier-vs

This value set includes codes based on the following rules:



Generated Narrative: ValueSet

This value set contains 20 concepts

  STID Level Identifier

Represents any appropriate identifier corresponding to a state- or territory-issued photo ID that is not a Driver's License. This code will likely be migrated to THO at some point in the future.

  SSN4 Last 4

Represents the last four digits of US Social Security Number. This code may be migrated to THO at some point in the future.

  DL's license number

Driver's license number

  PPN number

A unique number assigned to the document affirming that a person is a citizen of the country.

  BRN Registry Number

Breed Registry Number

  MR record number

An identifier that is unique to a patient within a set of medical records, not necessarily unique within an application.

  MCN Number

Microchip Number

  EN number

Employer number

  TAX ID number

Tax ID number

  NIIP Insurance Payor Identifier (Payor)

National Insurance Payor Identifier (Payor)

  PRN number

A number that is unique to an individual provider, a provider group or an organization within an Assigning Authority.

  MD License number

An identifier that is unique to a medical doctor within the jurisdiction of a licensing board.

  DR Registration Number

Donor Registration Number


Accession Identifier

  UDI Device Identifier

An identifier assigned to a device using the Unique Device Identification framework as defined by IMDRF (

  SNO Number

An identifier affixed to an item by the manufacturer when it is first made, where each item has a different identifier.

  SB 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

  PLAC Identifier

An identifier for a request where the identifier is issued by the person or service making the request.

  FILL Identifier

An identifier for a request where the identifier is issued by the person, or service, that produces the observations or fulfills the request.

  JHN health number

Jurisdictional health number

Explanation of the columns that may appear on this page:

Level A few code lists that FHIR defines are hierarchical - each code is assigned a level. In this scheme, some codes are under other codes, and imply that the code they are under also applies
System The source of the definition of the code (when the value set draws in codes defined elsewhere)
Code The code (used as the code in the resource instance)
Display The 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
Definition An explanation of the meaning of the concept
Comments Additional notes about how to use the code