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Encoding
Vocabulary Type Code System - Universal
Concept Domain Encoding
Code System Name
Code System Identifier
Code System OID
HL7 Table Identifier HL70299
Version
Status Active
Where Used
Purpose and Use HL7-defined table of codes 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


Encoding - Code System
Code Display Definition Deprecated
A No encoding - data are displayable ASCII characters. No encoding - data are displayable ASCII characters.
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 “=”.