Multiple Patient Identifiers

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Approval Status

  • Approval Status: Approved
  • Example Task Force: 7/27/2017
  • SDWG: 10/5/2017

C-CDA 2.1 Example:

  • 2.16.840.1.113883.

Reference to full CDA sample:

  • Empty CCD

Validation location



  • This demonstrates a patient with multiple identifiers from different institutions.


  • Lisa Nelson


  • recordTarget, patient, identifiers




Example: download example view on GitHub

<!-- Note: several other data elements are required to meet C-CDA R2.1 requirements -->
            <!-- Here is the medical record number of this patient at the nested provider organization.
                 This examples assumes the OID 2.16.840.1.113883.1.111.12345 
                 uniquely identifies the encompassed Provider Organization's local 
                 medical record number assigning system.-->
            <!-- A receiving system only knows this is an MRN by looking up the root oid in a repository. -->
            <id root="2.16.840.1.113883.1.111.12345" extension="12345" 
                assigningAuthorityName="River Valley Health Services Locally-assigned Medical Record Number"/>
            <!-- Here are additional identifiers different care organizations. 
                OIDs are synthetic. Production implementations use the actual OID registered for the assigningAuthority. -->
            <id root="" extension="6789" assigningAuthorityName="Lawrence and Memorial: Westerly Hospital locally assigned Medical Record Number"/>
            <id root="" extension="2345" assigningAuthorityName="LifeSpan: Buttler Hospital Locally-assigned Patient Account Number"/>
            <id root="" extension="06726-161" assigningAuthorityName="Rhode Island Qyality Institute: CurrentCare HIE Locally-assigned Identifier"/>
            <!-- More ids may be used. -->
                <streetAddressLine>1 Happy Valley Road</streetAddressLine>
                <country nullFlavor="UNK"/>
            <telecom use="WP" value="tel:+1(401)348-2345"/>
            <telecom use="HP" value="tel:+1(401)641-2345"/>
            <telecom value=""/>
                <name use="L">
                    <given qualifier="CL">Linda</given>
                <administrativeGenderCode code="F" displayName="Female"
                    codeSystem="2.16.840.1.113883.5.1" codeSystemName="HL7 AdministrativeGender"/>
                <birthTime value="19620828"/>
                <maritalStatusCode code="M" displayName="Married" codeSystem="2.16.840.1.113883.5.2"
                    codeSystemName="HL7 MaritalStatus"/>
                <raceCode code="2106-3" displayName="White" codeSystem="2.16.840.1.113883.6.238"
                    codeSystemName="CDC Race and Ethnicity"/>
                <ethnicGroupCode code="2186-5" displayName="Not Hispanic or Latino"
                    codeSystem="2.16.840.1.113883.6.238" codeSystemName="CDC Race and Ethnicity"/>
                    <templateId root="2.16.840.1.113883."/>
                    <languageCode code="eng"/>
                    <preferenceInd value="true"/>
                <!-- This is a synthetic OID for the example.  
                    Production implementations use the actual OID registered 
                    for the designated assigningAuthority. -->
                <!-- A receiving system only knows this is an MRN by looking up the root oid in a repository. -->
                <id root="2.16.840.1.113883.1.111.12345" 
                    assigningAuthorityName="River Valley Health Services local patient Medical Record Number" />
                <!-- More ids may be used. -->
                <name>River Valley Health Services</name>
                <telecom use="WP" value="tel:+1(401)539-4321"/>
                    <streetAddressLine>823 Main Street</streetAddressLine>
                    <city>River Valley</city>
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