HPI-O based Report Identifier
View at oid-info.com
This OID is used as the root of an arc that organisations can use for their local report identifiers. This OID is never used directly – instead, the 16 digit HPIO is appended to the OID, like so: 1.2.36.1.2001.1005.54.[HPIO], where it goes in the CDA id root to identify that organization's local report identifier (which goes in the id extension).
Example: