{
  "package" : "hl7.terminology.r5@6.3.0",
  "definition" : "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 “=”.",
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0299",
  "property" : [ {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-concComment",
    "code" : "v2-concComment",
    "valueString" : "The Request For Comment (RFC) 1521 standard is available at: http://www.ietf.org/rfc/rfc1521.txt"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-concCommentAsPub",
    "code" : "v2-concCommentAsPub",
    "valueString" : "The Request For Comment (RFC) 1521 standard is available at: http://www.ietf.org/rfc/rfc1521.txt"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#status",
    "code" : "status",
    "valueCode" : "A"
  } ],
  "codesystem" : "4f1c9566-3fe4-57f5-8c4c-48b0a2ca4b0a",
  "concept_id" : "855b9b19-a278-5a81-8050-2360dcafe0d5",
  "ancestors" : {
    "Base64" : 0
  },
  "id" : "93cf1002-fc3b-4565-9a53-a53ba26615db",
  "code" : "Base64",
  "display" : "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",
  "version" : "2.0.0"
}