HL7 v2.8.1 Vocabulary
0.2.0 - ci-build

HL7 v2.8.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 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.v281/ and changes regularly. See the Directory of published versions

## ValueSet: Universal ID Type (2.8.1 - 1.2.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/ValueSet/hl7VSuniversalIdType | Version: 1.2.0
Active as of 2026-03-13 | Computable Name: Hl7VSuniversalIdType
Other Identifiers: OID:2.16.840.1.113883.21.198, urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#http://terminology.hl7.org/v2plusvocab/ValueSet/v2-0301
Copyright/Legal: HL7 Inc., 2026

Types of UID (Universal Identifiers).

References

This value set is not used here; it may be used elsewhere (e.g. specifications and/or implementations that use this content)

### Logical Definition (CLD)

- Include all codes defined in `http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` version 📍1.2.0

### Expansion

Expansion performed internally based on codesystem Universal ID Type (2.8.1 - 1.2.0) v1.2.0 (CodeSystem)

This value set contains 16 concepts

System | Code | Display (en) | Definition | JSON | XML
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | CLIA | Clinical Laboratory Improvement Amendments | Clinical Laboratory Improvement Amendments. Allows for the ability to designate organization identifier as a "CLIA" assigned number (for labs) |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | CLIP | Clinical laboratory Improvement Program | Clinical laboratory Improvement Program. Allows for the ability to designate organization identifier as a "CLIP" assigned number (for labs).Â Used by US Department of Defense. |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | DNS | Domain Name System | An Internet host name, in accordance with RFC 1035; or an IP address. Either in ASCII or as integers, with periods between components ("dotted" notation). |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | EUI64 | IEEE 64-bit Extended Unique Identifier | IEEE 64-bit Extended Unique Identifier is comprised of a 24-bit company identifier and a 40-bit instance identifier. The value shall be formatted as 16 ASCII HEX digits, for example, "AABBCC1122334455". The 24-bit company identifier, formally known as |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | GUID | globally unique identifier | Same as UUID. |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | HCD | CEN Healthcare Coding Identifier | The CEN Healthcare Coding Scheme Designator |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | HL7 | HL7 registration schemes | HL7 registration schemes |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | ISO | ISO Object Identifier | An International Standards Organization Object Identifier (OID), in accordance with ISO/IEC 8824. Formatted as decimal digits separated by periods; recommended limit of 64 characters |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | L | Local | These are reserved for locally defined coding schemes. |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | M | Local | These are reserved for locally defined coding schemes. |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | N | Local | These are reserved for locally defined coding schemes. |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | Random | Random | Usually a base64 encoded string of random bits.<p>Note: Random IDs are typically used for instance identifiers, rather than an identifier of an Assigning Authority that issues instance identifiers |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | URI | Uniform Resource Identifier | Uniform Resource Identifier |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | UUID | Universal Unique Identifier | The DCE Universal Unique Identifier, in accordance with RFC 4122. Recommended format is 32 hexadecimal digits separated by hyphens, in the digit grouping 8-4-4-4-12 |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | x400 | X.400 MHS identifier | An X.400 MHS identifier. Recommended format is in accordance with RFC 1649 |  |
`http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType` | x500 | X500 directory Name | An X.500 directory name |  |

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