Codes for the Representation of Names of Languages Part 1: Alpha-2 Code. Used as part of the IETF 3066 specification for languages throughout the HL7 specification.
DeprecationComment: This code system is being deprecated, as the OID identifying it has been replaced with the correct ISO OID of 1.0.639.1
This code system http://terminology.hl7.org/CodeSystem/iso639-1ret defines many codes, but they are not represented here