Identifier Systems that are defined here are for the convenience of HL7 implementers. These resources serve the special purpose of capturing for easy access descriptive metadata information about each system of identifiers registered here.

These pages contain the metadata information for systems of identifiers that are published in the HL7 Terminology pages.

The systems here are typically used in data types supporting identifier systems, often called namespaces.

• Alabama Driver's License
• Alaska Driver's License
• Arizona Driver's License
• Arkansas Driver's License
• CMS Certification Numbers
• Clinical Laboratory Improvement Amendments
• California Driver's License
• Colorado Driver's License
• Connecticut Driver's License
• DC Driver's License
• Delaware Driver's License
• Florida Driver's License
• Global Location Number (GLN)
• Georgia Driver's License
• Hawaii Driver's License
• Idaho Driver's License
• Illinois Driver's License
• Indiana Driver's License
• Iowa Driver's License
• Kansas Driver's License
• Kentucky Driver's License
• Louisiana Driver's License
• Maine Driver's License
• Maryland Driver's License
• Massachusetts Driver's License
• Michigan Driver's License
• Minnesota Driver's License
• Mississippi Driver's License
• Missouri Driver's License
• Montana Driver's License
• Nebraska Driver's License
• Nevada Driver's License
• New Hampshire Driver's License
• New Jersey Driver's License
• NewMexico Driver's License
• New York Driver's License
• North Carolina Driver's License
• North Dakota Driver's License
• Ohio Driver's License
• Oklahoma Driver's License
• Oregon Driver's License
• Pennsylvania Driver's License
• Rhode Island Driver's License
• South Carolina Driver's License
• South Dakota Driver's License
• Tennessee Driver's License
• Texas Driver's License
• United States Drug Enforcement Agency (DEA) Number
• United States Employer Identification Number
• Utah Driver's License
• Vermont Driver's License
• Virginia Driver's License
• Washington Driver's License
• West Virginia Driver's License
• Wisconsin Driver's License
• Wyoming Driver's License
• Bluetooth Address as a device identifier
• Medicare Beneficiary Identifier (United States)
• DICOM Unique Id
• Ethernet MAC Address as a device identifier
• GTIN Global Trade Item Number
• IMEI as a device identifier
• United States Medicare Number
• United States National Provider Identifier
• Passport Numbers Namespace for ARUBA
• Passport Numbers Namespace for AFGHANISTAN
• Passport Numbers Namespace for ANGOLA
• Passport Numbers Namespace for ANGUILLA
• Passport Numbers Namespace for ALAND ISLANDS
• Passport Numbers Namespace for ALBANIA
• Passport Numbers Namespace for ANDORRA
• Passport Numbers Namespace for NETHERLANDS ANTILLES
• Passport Numbers Namespace for UNITED ARAB EMIRATES
• Passport Numbers Namespace for ARGENTINA
• Passport Numbers Namespace for ARMENIA
• Passport Numbers Namespace for AMERICAN SAMOA
• Passport Numbers Namespace for ANTARCTICA
• Passport Numbers Namespace for FRENCH SOUTHERN TERRITORIES
• Passport Numbers Namespace for ANTIGUA AND BARBUDA
• Passport Numbers Namespace for AUSTRALIA
• Passport Numbers Namespace for AUSTRIA
• Passport Numbers Namespace for AZERBAIJAN
• Passport Numbers Namespace for BURUNDI
• Passport Numbers Namespace for BELGIUM
• Passport Numbers Namespace for BENIN
• Passport Numbers Namespace for BURKINA FASO
• Passport Numbers Namespace for BANGLADESH
• Passport Numbers Namespace for BULGARIA
• Passport Numbers Namespace for BAHRAIN
• Passport Numbers Namespace for BAHAMAS
• Passport Numbers Namespace for BOSNIA AND HERZEGOVINA
• Passport Numbers Namespace for SAINT BARTHELEMY
• Passport Numbers Namespace for BELARUS
• Passport Numbers Namespace for BELIZE
• Passport Numbers Namespace for BERMUDA
• Passport Numbers Namespace for BOLIVIA
• Passport Numbers Namespace for BRAZIL
• Passport Numbers Namespace for BARBADOS
• Passport Numbers Namespace for BRUNEI DARUSSALAM
• Passport Numbers Namespace for BHUTAN
• Passport Numbers Namespace for BOUVET ISLAND
• Passport Numbers Namespace for BOTSWANA
• Passport Numbers Namespace for CENTRAL AFRICAN REPUBLIC
• Passport Numbers Namespace for CANADA
• Passport Numbers Namespace for COCOS (KEELING) ISLANDS
• Passport Numbers Namespace for SWITZERLAND
• Passport Numbers Namespace for CHILE
• Passport Numbers Namespace for CHINA
• Passport Numbers Namespace for COTE D'IVOIRE
• Passport Numbers Namespace for CAMEROON
• Passport Numbers Namespace for CONGO, THE DEMOCRATIC REPUBLIC OF THE
• Passport Numbers Namespace for CONGO
• Passport Numbers Namespace for COOK ISLANDS
• Passport Numbers Namespace for COLOMBIA
• Passport Numbers Namespace for COMOROS
• Passport Numbers Namespace for CAPE VERDE
• Passport Numbers Namespace for COSTA RICA
• Passport Numbers Namespace for CUBA
• Passport Numbers Namespace for CHRISTMAS ISLAND
• Passport Numbers Namespace for CAYMAN ISLANDS
• Passport Numbers Namespace for CYPRUS
• Passport Numbers Namespace for CZECH REPUBLIC
• Passport Numbers Namespace for GERMANY
• Passport Numbers Namespace for DJIBOUTI
• Passport Numbers Namespace for DOMINICA
• Passport Numbers Namespace for DENMARK
• Passport Numbers Namespace for DOMINICAN REPUBLIC
• Passport Numbers Namespace for ALGERIA
• Passport Numbers Namespace for ECUADOR
• Passport Numbers Namespace for EGYPT
• Passport Numbers Namespace for ERITREA
• Passport Numbers Namespace for WESTERN SAHARA
• Passport Numbers Namespace for SPAIN
• Passport Numbers Namespace for ESTONIA
• Passport Numbers Namespace for ETHIOPIA
• Passport Numbers Namespace for FINLAND
• Passport Numbers Namespace for FIJI
• Passport Numbers Namespace for FALKLAND ISLANDS (MALVINAS)
• Passport Numbers Namespace for FRANCE
• Passport Numbers Namespace for FAROE ISLANDS
• Passport Numbers Namespace for MICRONESIA, FEDERATED STATES OF
• Passport Numbers Namespace for GABON
• Passport Numbers Namespace for UNITED KINGDOM
• Passport Numbers Namespace for GEORGIA
• Passport Numbers Namespace for GUERNSEY
• Passport Numbers Namespace for GHANA
• Passport Numbers Namespace for GIBRALTAR
• Passport Numbers Namespace for GUINEA
• Passport Numbers Namespace for GUADELOUPE
• Passport Numbers Namespace for GAMBIA
• Passport Numbers Namespace for GUINEA-BISSAU
• Passport Numbers Namespace for EQUATORIAL GUINEA
• Passport Numbers Namespace for GREECE
• Passport Numbers Namespace for GRENADA
• Passport Numbers Namespace for GREENLAND
• Passport Numbers Namespace for GUATEMALA
• Passport Numbers Namespace for FRENCH GUIANA
• Passport Numbers Namespace for GUAM
• Passport Numbers Namespace for GUYANA
• Passport Numbers Namespace for HONG KONG
• Passport Numbers Namespace for HEARD ISLAND AND MCDONALD ISLANDS
• Passport Numbers Namespace for HONDURAS
• Passport Numbers Namespace for CROATIA
• Passport Numbers Namespace for HAITI
• Passport Numbers Namespace for HUNGARY
• Passport Numbers Namespace for INDONESIA
• Passport Numbers Namespace for ISLE OF MAN
• Passport Numbers Namespace for INDIA
• Passport Numbers Namespace for BRITISH INDIAN OCEAN TERRITORY
• Passport Numbers Namespace for IRELAND
• Passport Numbers Namespace for IRAN (ISLAMIC REPUBLIC OF)
• Passport Numbers Namespace for IRAQ
• Passport Numbers Namespace for ICELAND
• Passport Numbers Namespace for ISRAEL
• Passport Numbers Namespace for ITALY
• Passport Numbers Namespace for JAMAICA
• Passport Numbers Namespace for JERSEY
• Passport Numbers Namespace for JORDAN
• Passport Numbers Namespace for JAPAN
• Passport Numbers Namespace for KAZAKHSTAN
• Passport Numbers Namespace for KENYA
• Passport Numbers Namespace for KYRGYZSTAN
• Passport Numbers Namespace for CAMBODIA
• Passport Numbers Namespace for KIRIBATI
• Passport Numbers Namespace for SAINT KITTS AND NEVIS
• Passport Numbers Namespace for KOREA, REPUBLIC OF
• Passport Numbers Namespace for KUWAIT
• Passport Numbers Namespace for LAO PEOPLE'S DEMOCRATIC REPUBLIC
• Passport Numbers Namespace for LEBANON
• Passport Numbers Namespace for LIBERIA
• Passport Numbers Namespace for LIBYAN ARAB JAMAHIRIYA
• Passport Numbers Namespace for SAINT LUCIA
• Passport Numbers Namespace for LIECHTENSTEIN
• Passport Numbers Namespace for SRI LANKA
• Passport Numbers Namespace for LESOTHO
• Passport Numbers Namespace for LITHUANIA
• Passport Numbers Namespace for LUXEMBOURG
• Passport Numbers Namespace for LATVIA
• Passport Numbers Namespace for MACAO
• Passport Numbers Namespace for SAINT MARTIN (FRENCH PART)
• Passport Numbers Namespace for MOROCCO
• Passport Numbers Namespace for MONACO
• Passport Numbers Namespace for MOLDOVA, REPUBLIC OF
• Passport Numbers Namespace for MADAGASCAR
• Passport Numbers Namespace for MALDIVES
• Passport Numbers Namespace for MEXICO
• Passport Numbers Namespace for MARSHALL ISLANDS
• Passport Numbers Namespace for MACEDONIA, THE FORMER YUGOSLAV REPUBLIC OF
• Passport Numbers Namespace for MALI
• Passport Numbers Namespace for MALTA
• Passport Numbers Namespace for MYANMAR
• Passport Numbers Namespace for MONTENEGRO
• Passport Numbers Namespace for MONGOLIA
• Passport Numbers Namespace for NORTHERN MARIANA ISLANDS
• Passport Numbers Namespace for MOZAMBIQUE
• Passport Numbers Namespace for MAURITANIA
• Passport Numbers Namespace for MONTSERRAT
• Passport Numbers Namespace for MARTINIQUE
• Passport Numbers Namespace for MAURITIUS
• Passport Numbers Namespace for MALAWI
• Passport Numbers Namespace for MALAYSIA
• Passport Numbers Namespace for MAYOTTE
• Passport Numbers Namespace for NAMIBIA
• Passport Numbers Namespace for NEW CALEDONIA
• Passport Numbers Namespace for NIGER
• Passport Numbers Namespace for NORFOLK ISLAND
• Passport Numbers Namespace for NIGERIA
• Passport Numbers Namespace for NICARAGUA
• Passport Numbers Namespace for NIUE
• Passport Numbers Namespace for NETHERLANDS
• Passport Numbers Namespace for NORWAY
• Passport Numbers Namespace for NEPAL
• Passport Numbers Namespace for NAURU
• Passport Numbers Namespace for NEW ZEALAND
• Passport Numbers Namespace for OMAN
• Passport Numbers Namespace for PAKISTAN
• Passport Numbers Namespace for PANAMA
• Passport Numbers Namespace for PITCAIRN
• Passport Numbers Namespace for PERU
• Passport Numbers Namespace for PHILIPPINES
• Passport Numbers Namespace for PALAU
• Passport Numbers Namespace for PAPUA NEW GUINEA
• Passport Numbers Namespace for POLAND
• Passport Numbers Namespace for PUERTO RICO
• Passport Numbers Namespace for KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF
• Passport Numbers Namespace for PORTUGAL
• Passport Numbers Namespace for PARAGUAY
• Passport Numbers Namespace for PALESTINIAN TERRITORY, OCCUPIED
• Passport Numbers Namespace for FRENCH POLYNESIA
• Passport Numbers Namespace for QATAR
• Passport Numbers Namespace for REUNION
• Passport Numbers Namespace for ROMANIA
• Passport Numbers Namespace for RUSSIAN FEDERATION
• Passport Numbers Namespace for RWANDA
• Passport Numbers Namespace for SAUDI ARABIA
• Passport Numbers Namespace for SUDAN
• Passport Numbers Namespace for SENEGAL
• Passport Numbers Namespace for SINGAPORE
• Passport Numbers Namespace for SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS
• Passport Numbers Namespace for SAINT HELENA
• Passport Numbers Namespace for SVALBARD AND JAN MAYEN
• Passport Numbers Namespace for SOLOMON ISLANDS
• Passport Numbers Namespace for SIERRA LEONE
• Passport Numbers Namespace for EL SALVADOR
• Passport Numbers Namespace for SAN MARINO
• Passport Numbers Namespace for SOMALIA
• Passport Numbers Namespace for SAINT PIERRE AND MIQUELON
• Passport Numbers Namespace for SERBIA
• Passport Numbers Namespace for SAO TOME AND PRINCIPE
• Passport Numbers Namespace for SURINAME
• Passport Numbers Namespace for SLOVAKIA
• Passport Numbers Namespace for SLOVENIA
• Passport Numbers Namespace for SWEDEN
• Passport Numbers Namespace for SWAZILAND
• Passport Numbers Namespace for SEYCHELLES
• Passport Numbers Namespace for SYRIAN ARAB REPUBLIC
• Passport Numbers Namespace for TURKS AND CAICOS ISLANDS
• Passport Numbers Namespace for CHAD
• Passport Numbers Namespace for TOGO
• Passport Numbers Namespace for THAILAND
• Passport Numbers Namespace for TAJIKISTAN
• Passport Numbers Namespace for TOKELAU
• Passport Numbers Namespace for TURKMENISTAN
• Passport Numbers Namespace for TIMOR-LESTE
• Passport Numbers Namespace for TONGA
• Passport Numbers Namespace for TRINIDAD AND TOBAGO
• Passport Numbers Namespace for TUNISIA
• Passport Numbers Namespace for TURKEY
• Passport Numbers Namespace for TUVALU
• Passport Numbers Namespace for TAIWAN, PROVINCE OF CHINA
• Passport Numbers Namespace for TANZANIA, UNITED REPUBLIC OF
• Passport Numbers Namespace for UGANDA
• Passport Numbers Namespace for UKRAINE
• Passport Numbers Namespace for UNITED STATES MINOR OUTLYING ISLANDS
• Passport Numbers Namespace for URUGUAY
• Passport Numbers Namespace for UNITED STATES
• Passport Numbers Namespace for UZBEKISTAN
• Passport Numbers Namespace for HOLY SEE (VATICAN CITY STATE)
• Passport Numbers Namespace for SAINT VINCENT AND THE GRENADINES
• Passport Numbers Namespace for VENEZUELA
• Passport Numbers Namespace for VIRGIN ISLANDS (BRITISH)
• Passport Numbers Namespace for VIRGIN ISLANDS (U.S.)
• Passport Numbers Namespace for VIET NAM
• Passport Numbers Namespace for VANUATU
• Passport Numbers Namespace for WALLIS AND FUTUNA
• Passport Numbers Namespace for SAMOA
• Passport Numbers Namespace for YEMEN
• Passport Numbers Namespace for YUGOSLAVIA
• Passport Numbers Namespace for SOUTH AFRICA
• Passport Numbers Namespace for ZAMBIA
• Passport Numbers Namespace for ZIMBABWE
• United States Social Security Number
• Uniform Resource Identifier (URI)
• USB VID and PID as a device identifier
• ZigBee Address as a device identifier