<status value="draft"/> <experimental value="false"/> <date value="2026-05-09T20:23:33+00:00"/> <publisher value="Australian e-Health Research Centre"/> <contact> <name value="Australian e-Health Research Centre"/> <telecom> <system value="url"/> <value value="https://aehrc.csiro.au"/> </telecom> </contact> <contact> <name value="Michael Lawley"/> <telecom> <system value="email"/> <value value="michael.lawley@csiro.au"/> </telecom> </contact> <description value="The single category term used by syndication entries that publish a pre-built **Ontoserver RF2 binary index** — i.e. a zip file containing the on-disk index Ontoserver builds from a SNOMED CT RF2 release, ready to be consumed directly without re-indexing. Consumers that recognise this artefact type can load the index directly; consumers that do not MUST ignore the entry (the artefact is not a SNOMED CT RF2 release). ## Wire-level scheme URI On the wire, the Atom `⟨category⟩` element's `scheme` attribute carries one of these URIs — not the canonical of this CodeSystem: - `http://ontoserver.csiro.au/syndication/rf2/1.0.0` - `http://ontoserver.csiro.au/syndication/rf2/2.0.0` The trailing path segment is the **binary index format version** — not the version of the SNOMED CT release contained in the index. A consumer MUST match the scheme URI exactly: an index published as `…/rf2/1.0.0` is not interchangeable with one published as `…/rf2/2.0.0`. The label paired with this term on the `⟨category⟩` element is conventionally `Binary Index`."/> <caseSensitive value="true"/> <content value="complete"/> <count value="1"/> <concept> <code value="BINARY"/> <display value="Binary Index"/> <definition value="A pre-built Ontoserver RF2 binary index — a zip containing the on-disk index Ontoserver derives from a SNOMED CT RF2 release. The companion `category` element's `scheme` attribute carries the binary-format version."/> </concept> </CodeSystem>

Generated Narrative: CodeSystem ontoserver-rf2-index

This case-sensitive code system http://ontoserver.csiro.au/syndication/rf2 defines the following code:

Code	Display	Definition
BINARY	Binary Index	A pre-built Ontoserver RF2 binary index — a zip containing the on-disk index Ontoserver derives from a SNOMED CT RF2 release. The companion `category` element's `scheme` attribute carries the binary-format version.