HL7 v2.5.1 Vocabulary
0.1.0 - ci-build

HL7 v2.5.1 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.v251/ and changes regularly. See the Directory of published versions

## CodeSystem: Confidentiality Code (2.5.1 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/confidentialityCodes | Version: 1.0.0
Active as of 2026-01-27 | Computable Name: ConfidentialityCodes
Other Identifiers: OID:2.16.840.1.113883.18.92
Copyright/Legal: HL7 Inc., 2026

Code system of concepts specifying the degree to which special confidentiality protection should be applied to the observation. Used in HL7 Version 2.x messaging in the OM1 and ORC segments.

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

- Hl7VSconfidentialityCode

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/confidentialityCodes` defines the following codes:

Code | Display | Definition | versionIntroduced | Deutsch (German, de)
AID | AIDS patient | AIDS patient | 2.2 | AIDS-Patient
EMP | Employee | Employee | 2.2 | Mitarbeiter
ETH | Alcohol/drug treatment patient | Alcohol/drug treatment patient | 2.2 | Alkohol-/medikamentenabhängiger Patient
HIV | HIV(+) patient | HIV(+) patient | 2.2 | HIV-positiver Patient
PSY | Psychiatric patient | Psychiatric patient | 2.2 | Psychatriepatient
R | Restricted | Restricted | 2.2 | vertraulich
U | Usual control | Usual control | 2.2 | normaler Zugriff
UWM | Unwed mother | Unwed mother | 2.2 | unverheiratete Mutter
V | Very restricted | Very restricted | 2.2 | streng vertraulich
VIP | Very important person or celebrity | Very important person or celebrity | 2.2 | VIP