http://ns.electronichealth.net.au/id/hpio-scoped/order/1.0
identifiers namespace
This namespace is used for identifiers assigned to an order by an organisation that has a registered HPI-O (Healthcare Provider Identifier for Organisations).
An example of the syntax of an HPI-O scoped local order identifier system using this namespace is:
In OID-based systems, use 1.2.36.1.2001.1005.52.