Question regarding uid attribute on HCProfessional and HCRegulatedOrganization

[dcsillag....@gmail.com]

In the HPD spec for uids on HCProfessional and HCRegulatedOrganization, it, on the bottom of page 46, #1175, refers to ISO 21091 as to the specifics of the format.  Specifically: "RDN Format as by ISO 21091 section 9.2 (Issuing Authority Name:ID)".  I don't happen to have a copy of the aforementioned ISO spec.  Do individual HPD providers free to create their own "Issuing Authority Name"s (as the remainder of the dn would make it globally unique), or are they supposed to be globally unique or governed by something like (but probably not) IANA?

Thanks,
Drew Csillag
MedAllies

[Greg Carver]

What, you don't like buying spec's for a little bedtime reading?

http://www.amazon.com/ISO-21091-communications-identification-professionals/dp/B000Y2U0SG/

Yeah, me neither.  The following opinion is worth 2 cents, but provided free of charge...

My interpretation is your 1st option: free to create your own since the rest of the dn gives you global uniqueness.  I'm kind of surprised it wasn't "aa-oid:id" given the general fascination with oid's in most IHE standards.

From a directory client UI perspective, I don't see much value in showing this field to users since it may or may not be meaningful: one system might do usernames (eg: SomeHospital:gcarver); another might assign guids (eg: SomeOtherHospital:5a362051-6c9e-4002-9277-1db2058317eb).  I wouldn't risk showing the latter to a user on the chance the former format is used by some.  For purposes of group memberships, either is clearly acceptable.

Greg

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