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: Subtype of Referenced Data (2.5.1 - 1.2.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/subtypeOfReferencedData | Version: 1.2.0
Active as of 2026-01-27 | Computable Name: SubtypeOfReferencedData
Other Identifiers: OID:2.16.840.1.113883.18.181
Copyright/Legal: HL7 Inc., 2026

Code system of a subset of the media subtypes of binary data that are encoded in an ascii structure or stream. Used in Version 2 messaging ED and RP datatypes, but only in standard 2.5.1 and earlier; after that, it was recommended that the IANA media types be used instead of this short list of HL7-defined codes. More information on the standard media types and subtypes may be found at http://www.iana.org/assignments/media-types/media-types.xhtml.

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

- Hl7VSsubtypeOfReferencedData

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-insensitive code system `http://terminology.hl7.org/v2plusvocab/CodeSystem/subtypeOfReferencedData` defines the following codes:

Code | Display | Definition | versionIntroduced
BASIC | ISDN PCM audio data | ISDN PCM audio data | 2.3
DICOM | Digital Imaging and Communications in Medicine | Digital Imaging and Communications in Medicine | 2.3
FAX | Facsimile data | Facsimile data | 2.3
GIF | Graphics Interchange Format | Graphics Interchange Format | 2.3
HTML | Hypertext Markup Language | Hypertext Markup Language | 2.3
JOT | Electronic ink data (Jot 1.0 standard) | Electronic ink data (Jot 1.0 standard) | 2.3
JPEG | Joint Photographic Experts Group | Joint Photographic Experts Group | 2.3
Octet-stream | Uninterpreted binary data | Uninterpreted binary data | 2.3
PICT | PICT format image data | PICT format image data | 2.3
PostScript | PostScript program | PostScript program | 2.3
RTF | Rich Text Format | Rich Text Format | 2.3
SGML | Standard Generalized Markup Language (HL7 V2.3.1 and later) | Standard Generalized Markup Language (HL7 V2.3.1 and later) | 2.3.1
TIFF | TIFF image data | TIFF image data | 2.3
XML | Extensible Markup Language (HL7 V2.3.1 and later) | Extensible Markup Language (HL7 V2.3.1 and later) | 2.3.1
x-hl7-cda-level-one | HL7 Clinical Document Architecture Level One document | HL7 Clinical Document Architecture Level One document | 2.4