HL7 v2.7 Vocabulary
0.1.0 - ci-build

HL7 v2.7 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v27/ and changes regularly. See the Directory of published versions

## CodeSystem: Identifier Type (2.7 - 1.5.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/identifierType | Version: 1.5.0
Active as of 2026-01-27 | Computable Name: IdentifierType
Other Identifiers: OID:2.16.840.1.113883.18.108
Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts specifying type of identifier. Used in HL7 Version 2.x messaging data types CX, PLN, PPN, XCN and XON.

This Code system is referenced in the content logical definition of the following value sets:

- Hl7VSidentifierType

Properties

This code system defines the following properties for its concepts

Name | Code | URI | Type | Description
versionIntroduced | versionIntroduced | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced | string | version when was this code introduced
versionDeprecated | versionDeprecated | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated | string | version when was this code deprecated
status | status | http://hl7.org/fhir/concept-properties#status | code | A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired
comment | comment | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment | string | A string that provides additional detail pertinent to the use or understanding of the concept
usage | usage | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage | string | usage notes for this code
modified | modified | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified | dateTime | date of last modification
class | class | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#class | code | class

Concepts

This case-sensitive code system `http://terminology.hl7.org/v2plusvocab/CodeSystem/identifierType` defines the following codes:

Code | Display | Definition | versionIntroduced | usage | Deutsch (German, de)
ACSN | Accession ID | Accession ID | 2.7 | Accession Identifier |
AM | American Express | American Express | 2.3 | Deprecated and replaced by BC in v 2.5. | American Express
AMA | American Medical Association Number | American Medical Association Number | 2.6 | A physician identifier assigned by the AMA. |
AN | Account number | Account number | 2.3 | An identifier that is unique to an account. | Kontonummer
ANC | Account number Creditor | Account number Creditor | 2.5 | Class: Financial<p>A more precise definition of an account number: sometimes two distinct account numbers must be transmitted in the same message, one as the creditor, the other as the debitor.<p>Kreditorenkontonummer |
AND | Account number debitor | Account number debitor | 2.5 | Class: Financial<p>A more precise definition of an account number: sometimes two distinct account numbers must be transmitted in the same message, one as the creditor, the other as the debitor.<p>Debitorenkontonummer |
ANON | Anonymous identifier | Anonymous identifier | 2.5 | An identifier for a living subject whose real identity is protected or suppressed<p>Justification: For public health reporting purposes, anonymous identifiers are occasionally used for protecting patient identity in reporting certain results. For instance |
ANT | Temporary Account Number | Temporary Account Number | 2.5 | Class: Financial<p>Temporary version of an Account Number.<p>Use Case: An ancillary system that does not normally assign account numbers is the first time to register a patient. This ancillary system will generate a temporary account number that will only |
APRN | Advanced Practice Registered Nurse number | Advanced Practice Registered Nurse number | 2.5 | An identifier that is unique to an advanced practice registered nurse within the jurisdiction of a certifying board |
ASID | Ancestor Specimen ID | Ancestor Specimen ID | 2.7 | A unique identifier for the ancestor specimen. All child, grandchild, etc. specimens of the ancestor specimen share the same Ancestor Specimen ID. |
BA | Bank Account Number | Bank Account Number | 2.4 | Class: Financial |
BC | Bank Card Number | Bank Card Number | 2.5 | Class: Financial<p>An identifier that is unique to a person's bank card. Replaces AM, DI, DS, MS, and VS beginning in v 2.5. |
BCT | Birth Certificate | Birth Certificate | 2.6 | A number associated with a document identifying the event of a person's birth. |
BR | Birth registry number | Birth registry number | 2.3 | An identifier unique within the Assigning Authority that is the official legal record of a person's birth. | Geburtsregisternummer
BRN | Breed Registry Number | Breed Registry Number | 2.4 |  |
BSNR | Primary physician office number | Primary physician office number | 2.7 | Betriebsstättennummer - for use in the German realm. |
CC | Cost Center number | Cost Center number | 2.5 | Class: Financial<p>Use Case: needed especially for transmitting information about invoices. |
CONM | Change of Name Document | Change of Name Document | 2.6 | A number associated with a document identifying a person's legal change of name. |
CY | County number | County number | 2.5 |  |
CZ | Citizenship Card | Citizenship Card | 2.6 | A number assigned by a person's country of residence to identify a person's citizenship. |
DDS | Dentist license number | Dentist license number | 2.5 | An identifier that is unique to a dentist within the jurisdiction of the licensing board |
DEA | Drug Enforcement Administration registration number | Drug Enforcement Administration registration number | 2.5 | An identifier for an individual or organization relative to controlled substance regulation and transactions.<p>Use case: This is a registration number that identifies an individual or organization relative to controlled substance regulation and transacti |
DFN | Drug Furnishing or prescriptive authority Number | Drug Furnishing or prescriptive authority Number | 2.5 | An identifier issued to a health care provider authorizing the person to write drug orders<p>Use Case: A nurse practitioner has authorization to furnish or prescribe pharmaceutical substances; this identifier is in component 1. |
DI | Diner's Club card | Diner's Club card | 2.3 | Deprecated and replaced by BC in v 2.5. | Diners Club
DL | Driver's license number | Driver's license number | 2.3 |  | Führerscheinnummer
DN | Doctor number | Doctor number | 2.3 |  | Arztnummer
DO | Osteopathic License number | Osteopathic License number | 2.5 | An identifier that is unique to an osteopath within the jurisdiction of a licensing board. |
DP | Diplomatic Passport | Diplomatic Passport | 2.6 | A number assigned to a diplomatic passport. |
DPM | Podiatrist license number | Podiatrist license number | 2.5 | An identifier that is unique to a podiatrist within the jurisdiction of the licensing board. |
DR | Donor Registration Number | Donor Registration Number | 2.4 |  |
DS | Discover Card | Discover Card | 2.3 | Deprecated and replaced by BC in v 2.5. | Discover Card
EI | Employee number | Employee number | 2.3 | A number that uniquely identifies an employee to an employer. | Arbeitnehmernummer
EN | Employer number | Employer number | 2.3 |  | Arbeitgebernummer
ESN | Staff Enterprise Number | Staff Enterprise Number | 2.6 | An identifier that is unique to a staff member within an enterprise (as identified by the Assigning Authority). |
FI | Facility ID | Facility ID | 2.3.1 |  |
GI | Guarantor internal identifier | Guarantor internal identifier | 2.3 | Class: Financial | interne ID des Zahlungspflichtigen
GL | General ledger number | General ledger number | 2.5 | Class: Financial |
GN | Guarantor external identifier | Guarantor external identifier | 2.3 | Class: Financial | externe ID des Zahlungspflichtigen
HC | Health Card Number | Health Card Number | 2.4 |  |
IND | Indigenous/Aboriginal | Indigenous/Aboriginal | 2.5 | A number assigned to a member of an indigenous or aboriginal group outside of Canada. |
JHN | Jurisdictional health number (Canada) | Jurisdictional health number (Canada) | 2.4 | Class: Insurance<p>2 uses: a) UK jurisdictional CHI number; b) Canadian provincial health card number: |
LACSN | Laboratory Accession ID | Laboratory Accession ID | 2.7 | A laboratory accession id is used in the laboratory domain. The concept of accession is used in other domains such as radiology, so the LACSN is used to distinguish a lab accession id from an radiology accession id |
LANR | Lifelong physician number | Lifelong physician number | 2.7 | Lebenslange Arztnummer - for use in German realm. |
LI | Labor and industries number | Labor and industries number | 2.5 |  |
LN | License number | License number | 2.3.1 |  |
LR | Local Registry ID | Local Registry ID | 2.3.1 |  |
MA | Patient Medicaid number | Patient Medicaid number | 2.3 | Class: Insurance | Armennummer
MB | Member Number | Member Number | 2.5 | An identifier for the insured of an insurance policy (this insured always has a subscriber), usually assigned by the insurance carrier.<p>Use Case: Person is covered by an insurance policy. This person may or may not be the subscriber of the policy. |
MC | Patient's Medicare number | Patient's Medicare number | 2.3 | Class: Insurance | Rentnernummer
MCD | Practitioner Medicaid number | Practitioner Medicaid number | 2.5 | Class: Insurance |
MCN | Microchip Number | Microchip Number | 2.4 |  |
MCR | Practitioner Medicare number | Practitioner Medicare number | 2.5 | Class: Insurance |
MCT | Marriage Certificate | Marriage Certificate | 2.6 | A number associated with a document identifying the event of a person's marriage. |
MD | Medical License number | Medical License number | 2.5 | An identifier that is unique to a medical doctor within the jurisdiction of a licensing board.<p>Use Case: These license numbers are sometimes used as identifiers. In some states, the same authority issues all three identifiers, e.g., medical, osteopathic |
MI | Military ID number | Military ID number | 2.5 | 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 | Medical record number | Medical record number | 2.3 | An identifier that is unique to a patient within a set of medical records, not necessarily unique within an application. | Krankenaktennummer
MRT | Temporary Medical Record Number | Temporary Medical Record Number | 2.5 | Temporary version of a Medical Record Number<p>Use Case: An ancillary system that does not normally assign medical record numbers is the first time to register a patient. This ancillary system will generate a temporary medical record number that will only |
MS | MasterCard | MasterCard | 2.3 | Deprecated and replaced by BC in v 2.5. | MasterCard
NBSNR | Secondary physician office number | Secondary physician office number | 2.7 | Nebenbetriebsstättennummer - for use in the German realm. |
NCT | Naturalization Certificate | Naturalization Certificate | 2.6 | A number associated with a document identifying a person's retention of citizenship in a particular country. |
NE | National employer identifier | National employer identifier | 2.3.1 | In the US, the Assigning Authority for this value is typically CMS, but it may be used by all providers and insurance companies in HIPAA related transactions. |
NH | National Health Plan Identifier | National Health Plan Identifier | 2.3.1 | Class: Insurance<p>Used for the UK NHS national identifier.<p>In the US, the Assigning Authority for this value is typically CMS, but it may be used by all providers and insurance companies in HIPAA related transactions. |
NI | National unique individual identifier | National unique individual identifier | 2.3.1 | Class: Insurance<p>In the US, the Assigning Authority for this value is typically CMS, but it may be used by all providers and insurance companies in HIPAA related transactions. |
NII | National Insurance Organization Identifier | National Insurance Organization Identifier | 2.5 | Class: Insurance<p>In Germany a national identifier for an insurance company. It is printed on the insurance card (health card). It is not to be confused with the health card number itself.<p>Krankenkassen-ID der KV-Karte | Institutskennzeichen der Krankenkasse
NIIP | National Insurance Payor Identifier (Payor) | National Insurance Payor Identifier (Payor) | 2.5 | Class: Insurance<p>In Germany the insurance identifier addressed as the payor.<p>Krankenkassen-ID des Rechnungsempfängers<p>Use case: a subdivision issues the card with their identifier, but the main division is going to pay the invoices. | Vertragskassennummer (VKNR)
NNxxx | 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 | 2.3.1 |  |
NP | Nurse practitioner number | Nurse practitioner number | 2.5 | An identifier that is unique to a nurse practitioner within the jurisdiction of a certifying board. |
NPI | National provider identifier | National provider identifier | 2.3.1 | Class: Insurance<p>In the US, the Assigning Authority for this value is typically CMS, but it may be used by all providers and insurance companies in HIPAA related transactions. |
OD | Optometrist license number | Optometrist license number | 2.5 | A number that is unique to an individual optometrist within the jurisdiction of the licensing board. |
PA | Physician Assistant number | Physician Assistant number | 2.5 | An identifier that is unique to a physician assistant within the jurisdiction of a licensing board | Assistenzarztnummer
PC | Parole Card | Parole Card | 2.6 | A number identifying a person on parole. |
PCN | Penitentiary/correctional institution Number | Penitentiary/correctional institution Number | 2.5 | A number assigned to individual who is incarcerated. |
PE | Living Subject Enterprise Number | Living Subject Enterprise Number | 2.5 | An identifier that is unique to a living subject within an enterprise (as identified by the Assigning Authority). |
PEN | Pension Number | Pension Number | 2.4 |  |
PI | Patient internal identifier | Patient internal identifier | 2.3 | A number that is unique to a patient within an Assigning Authority. | interne Patienten-ID
PN | Person number | Person number | 2.3.1 | A number that is unique to a living subject within an Assigning Authority. | Personen-ID
PNT | Temporary Living Subject Number | Temporary Living Subject Number | 2.5 | Temporary version of a Lining Subject Number. |
PPIN | Medicare/CMS Performing Provider Identification Number | Medicare/CMS Performing Provider Identification Number | 2.6 | Class: Insurance |
PPN | Passport number | Passport number | 2.5 | A unique number assigned to the document affirming that a person is a citizen of the country. In the US this number is issued only by the State Department. | Passnummer
PRC | Permanent Resident Card Number | Permanent Resident Card Number | 2.5 |  |
PRN | Provider number | Provider number | 2.3.1 | A number that is unique to an individual provider, a provider group or an organization within an Assigning Authority.<p>Use case: This allows PRN to represent either an individual (a nurse) or a group/organization (orthopedic surgery team). |
PT | Patient external identifier | Patient external identifier | 2.3 |  | externe Patienten-ID
QA | QA number | QA number | 2.5 |  |
RI | Resource identifier | Resource identifier | 2.5 | A generalized resource identifier.<p>Use Case: An identifier type is needed to accommodate what are commonly known as resources. The resources can include human (e.g. a respiratory therapist), non-human (e.g., a companion animal), inanimate object (e.g.,.. |
RN | Registered Nurse Number | Registered Nurse Number | 2.5 | An identifier that is unique to a registered nurse within the jurisdiction of the licensing board. |
RPH | Pharmacist license number | Pharmacist license number | 2.5 | An identifier that is unique to a pharmacist within the jurisdiction of the licensing board. |
RR | Railroad Retirement number | Railroad Retirement number | 2.3 | An identifier for an individual enrolled with the Railroad Retirement Administration. Analogous to, but distinct from, a Social Security Number | Seniorenkartennummer
RRI | Regional registry ID | Regional registry ID | 2.3.1 |  |
RRP | Railroad Retirement Provider | Railroad Retirement Provider | 2.6 | Class: Insurance |
SID | Specimen ID | Specimen ID | 2.7 | Identifier for a specimen. Used when it is not known if the specimen ID is a unique specimen ID (USID) or an ancestor ID (ASID). |
SL | State license | State license | 2.3.1 |  |
SN | Subscriber Number | Subscriber Number | 2.5 | Class: Insurance<p>An identifier for a subscriber of an insurance policy which is unique for, and usually assigned by, the insurance carrier.<p>Use Case: A person is the subscriber of an insurance policy. The person's family may be plan members, but are n |
SP | Study Permit | Study Permit | 2.6 | A number associated with a permit identifying a person who is a resident of a jurisdiction for the purpose of education. |
SR | State registry ID | State registry ID | 2.3.1 |  |
SS | Social Security number | Social Security number | 2.3 |  | Sozialversicherungsnummer
TAX | Tax ID number | Tax ID number | 2.5 |  | Steueridentifikationsnummer
TN | Treaty Number/ (Canada) | Treaty Number/ (Canada) | 2.5 | A number assigned to a member of an indigenous group in Canada.<p>Use Case: First Nation. |
TPR | Temporary Permanent Resident (Canada) | Temporary Permanent Resident (Canada) | 2.6 | A number associated with a document identifying a person's temporary permanent resident status. |
U | Unspecified identifier | Unspecified identifier | 2.3.1 |  |
UPIN | Medicare/CMS (formerly HCFA)'s Universal Physician Identification numbers | Medicare/CMS (formerly HCFA)'s Universal Physician Identification numbers | 2.3.1 | Class: Insurance<p>An identifier for a provider within the CMS/Medicare program. A globally unique identifier for the provider in the Medicare program. |
USID | Unique Specimen ID | Unique Specimen ID | 2.7 | A unique identifier for a specimen. |
VN | Visit number | Visit number | 2.3 |  | Fallnummer
VP | Visitor Permit | Visitor Permit | 2.6 | A number associated with a document identifying a person as a visitor of a jurisdiction or country. | Besucherkennung
VS | VISA | VISA | 2.3 | Deprecated and replaced by BC in v 2.5. | VISA
WC | WIC identifier | WIC identifier | 2.3.1 |  |
WCN | Workers' Comp Number | Workers' Comp Number | 2.4 |  |
WP | Work Permit | Work Permit | 2.6 | A number associated with a permit for a person who is granted permission to work in a country for a specified time period. |
XX | Organization identifier | Organization identifier | 2.3 |  | Organisations-ID