This section covers several general topics related to SNOMED CT release packages and release files including:
The following two sections provide detailed specifications of the release files.
Historical Note on Current and Previous Release File Formats
The standard format in which SNOMED CT has been distributed since 2012 is known as Release Format 2(RF2). It was developed in response to extensive feedback on the original release file format, now known as Release Format 1(RF1), in which SNOMED CT was distributed between its first release in 2002 and 2012. The RF1 format is now deprecated and no longer supported.