HL7 v2.9 Vocabulary
0.1.0 - ci-build

HL7 v2.9 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.v29/ and changes regularly. See the Directory of published versions

## CodeSystem: User Authentication Credential Type Code (2.9 - 1.0.1) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/userAuthenticationCredentialType | Version: 1.0.1
Active as of 2026-01-27 | Computable Name: UserAuthenticationCredentialType
Other Identifiers: OID:2.16.840.1.113883.18.373
Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts specifying a type of user authentication credential. Used in HL7 Version 2.x messaging in the UAC segment.

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

- Hl7VSuserAuthenticationCredentialTypeCode

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

Concepts

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

Code | Display | Definition | versionIntroduced | comment | modified
KERB | Kerberos Service Ticket | Kerberos Service Ticket | 2.6 | Structure defined by RFC 1510 | 2015-07-13
SAML | Authenticated User Identity Assertion | Authenticated User Identity Assertion | 2.6 | XML structure defined by the OASIS Security Assertion Markup Language (SAML) specification | 2015-07-13