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Make custodian mandatory vs. required CDA R3

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See CDA R3 Formal Proposals for instructions on using this form. Failure to adhere to these instructions may result in delays. Editing of formal proposals is restricted to the submitter and SDTC co-chairs. Other changes will be undone. Comments can be captured in the associated discussion page.

Submitted by: Rick Geimer Revision date: October 15, 2009
Submitted date: October 15, 2009 Change request ID: <<Change Request ID>>


In CDA R2, custodian is required, but can have a nullFlavor. However, I believe the V2 medical records message was changed a while back to make custodian mandatory (cannot be null). If this is correct, then I believe CDA R3 should make the same change for consistency purposes to ensure that every CDA R3 document can also participate in a V2 medical records exchange.


  • Make custodian mandatory (i.e. disallow nullFlavor)


  • Compliance with the v2 medical records message (unless I am mistaken about the mandatory constraint there)


Recommended Action Items


March 09, 2010: Agree that custodian can never be NULL. Unclear how to technically represent this, but at very least can note this in the CDA R3 specification as a narrative constraint. abstain: 0; opposed: 0; in favor: 8.