HL7 Terminology (THO)
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HL7 Terminology (THO), published by HL7 International - Vocabulary Work Group. This guide is not an authorized publication; it is the continuous build for version 6.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/UTG/ and changes regularly. See the Directory of published versions

CodeSystem: encoding

Official URL: http://terminology.hl7.org/CodeSystem/v2-0299 Version: 2.0.0
Active as of 2019-12-01 Responsible: Health Level Seven International Computable Name: Encoding
Other Identifiers: OID:2.16.840.1.113883.18.185

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.html

HL7-defined code system of concept identifying the type of encoding used to represent successive octets of binary data as displayable ASCII characters. These are defined by IETF; more information may be found at https://www.ietf.org/rfc/rfc1521.txt. Used in HL7 Version 2.x messaging in the ED datatypes.

Underlying Master Code System for V2 table 0299 (Encoding)

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

Generated Narrative: CodeSystem v2-0299

Properties

This code system defines the following properties for its concepts

NameCodeURITypeDescription
status status http://terminology.hl7.org/CodeSystem/utg-concept-properties#status code Status of the concept
deprecated deprecated http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-table-deprecated code Version of HL7 in which the code was deprecated
V2 Concept Comment v2-concComment http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-concComment string V2 Concept Comment
V2 Concept Comment As Published v2-concCommentAsPub http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-concCommentAsPub string V2 Concept Comment As Published

Concepts

This case-sensitive code system http://terminology.hl7.org/CodeSystem/v2-0299 defines the following codes in a Is-A hierarchy:

CodeDisplayDefinitionV2 Concept CommentV2 Concept Comment As PublishedDeutsch (German, de)
A No encoding - data are displayable ASCII characters. No encoding - data are displayable ASCII characters. keine Kodierung
Hex Hexadecimal encoding - consecutive pairs of hexadecimal digits represent consecutive single octets. Hexadecimal encoding - consecutive pairs of hexadecimal digits represent consecutive single octets.
Base64 Encoding as defined by MIME (Multipurpose Internet Mail Extensions) standard RFC 1521. Four consecutive ASCII characters represent three consecutive octets of binary data. Base64 utilizes a 65-character subset of US-ASCII, consisting of both the upper and Encoding as defined by MIME (Multipurpose Internet Mail Extensions) standard RFC 1521. Four consecutive ASCII characters represent three consecutive octets of binary data. Base64 utilizes a 65-character subset of US-ASCII, consisting of both the upper and lower case alphabetic characters, digits “0” through “9”, “+”, “/”, and “=”. The Request For Comment (RFC) 1521 standard is available at: http://www.ietf.org/rfc/rfc1521.txt The Request For Comment (RFC) 1521 standard is available at: http://www.ietf.org/rfc/rfc1521.txt

History

DateActionAuthorCustodianComment
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.