HL7 v2.3.1 Vocabulary
0.2.0 - ci-build
HL7 v2.3.1 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.v231/ and changes regularly. See the Directory of published versions
| Official URL: http://terminology.hl7.org/v2plusvocab/ValueSet/hl7VSuniversalIdType | Version: 1.0.0 | |||
| 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 |
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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)
http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType version 📍1.0.0
Expansion performed internally based on codesystem Universal ID Type (2.3.1 - 1.0.0) v1.0.0 (CodeSystem)
This value set contains 12 concepts
| System | Code | Display (en) | Definition | JSON | XML |
http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType | DNS | Domain Name System | An Internet dotted name. Either in ASCII or as integers | ||
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. (Identifiers used in DICOM follow this assignment scheme.) | ||
http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType | HL7 | HL7 registration schemes | Reserved for future HL7 registration schemes | ||
http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType | ISO | ISO Object Identifier | An International Standards Organization Object Identifier | ||
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. The uniqueness depends on the length of the bits. Mail systems often generate ASCII string "unique names," from a combination of random bits and system names. Obviously, such identifiers will not be con | ||
http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType | UUID | Universal Unique Identifier | The DCE Universal Unique Identifier | ||
http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType | x400 | X.400 MHS identifier | An X.400 MHS format identifier | ||
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 |