HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v5.5.0: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions

CodeSystem: subtypeOfReferencedData

Official URL: http://terminology.hl7.org/CodeSystem/v2-0291 Version: 2.0.0
Active as of 2019-12-01 Responsible: Health Level Seven International Computable Name: SubtypeOfReferencedData
Other Identifiers: urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#urn:oid:2.16.840.1.113883.18.181

Copyright/Legal: This material derives from the HL7 Terminology (THO). THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license

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.

Underlying Master Code System for V2 table 0291 (Subtype of Referenced Data)

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


This code system defines the following properties for its concepts

statushttp://terminology.hl7.org/CodeSystem/utg-concept-properties#statuscodeStatus of the concept
deprecatedhttp://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-table-deprecatedcodeVersion of HL7 in which the code was deprecated
v2-concCommenthttp://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-concCommentstringV2 Concept Comment
v2-concCommentAsPubhttp://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-concCommentAsPubstringV2 Concept Comment As Published


This case-sensitive code system http://terminology.hl7.org/CodeSystem/v2-0291 defines the following codes in a Is-A heirarchy:

CodeDisplayDefinitiondeprecatedV2 Concept CommentV2 Concept Comment As Published
BASIC ISDN PCM audio dataISDN PCM audio data
... Source RFC 2046Source RFC 20462.9
Source RFC 2046Source RFC 20462.9
DICOM Digital Imaging and Communications in MedicineDigital Imaging and Communications in Medicine
FAX Facsimile dataFacsimile data
GIF Graphics Interchange FormatGraphics Interchange Format
HTML Hypertext Markup LanguageHypertext Markup Language
JOT Electronic ink data (Jot 1.0 standard)Electronic ink data (Jot 1.0 standard)
JPEG Joint Photographic Experts GroupJoint Photographic Experts Group
Octet-stream Uninterpreted binary dataUninterpreted binary data
PICT PICT format image dataPICT format image data
PostScript PostScript programPostScript program
RTF Rich Text FormatRich Text Format
SGML Standard Generalized Markup Language (HL7 V2.3.1 and later)Standard Generalized Markup Language (HL7 V2.3.1 and later)
TIFF TIFF image dataTIFF image data
XML Extensible Markup Language (HL7 V2.3.1 and later)Extensible Markup Language (HL7 V2.3.1 and later)
x-hl7-cda-level-one HL7 Clinical Document Architecture Level One documentHL7 Clinical Document Architecture Level One documentRetained for backwards compatibility only as of v2.6 and CDA R 2. Preferred value is text/xml.Retained for backwards compatibility only as of v2.6 and CDA R 2. Preferred value is text/xml.


2023-11-14reviseMarc DuteauTSMGAdd standard copyright and contact to internal content; up-476
2020-05-06reviseTed KleinVocabulary WGMigrated to the UTG maintenance environment and publishing tooling.