By default, whenever an entry is submitted, the authorship of the document applies to the entry as well (i.e. if Dr. Brown and Dr. Smith authored the document then Dr. Brown and Dr. Smith are assumed to have authored all entries). There arises situations, however, where this is not true (for example in a summary of care), and one entry needs to be attributed to a specific author found in the header. To do this, Content Creators shall indicate an author relationship within the entry containing, at minimum, the identifier of the author as it appears in the CDA header.
Content creators may, for clarity, include the complete authorship information in the entry. If this is done, Content Creators shall ensure that the data from the entry matches the data in the CDA header. Figure 15 provides an example of a substanceAdministration entry attributed to a particular author from the header.
Figure 15 - Identifying person/time of authorship of entry
<substanceAdministration classCode="SBADM" moodCode="EVN">
...
<author typeCode="AUT" contextControlCode="OP">
<time value="20101026130945.000-0400"/>
<assignedAuthor classCode="ASSIGNED">
<id root="1.2.3.4.5.6.7" extension="234"/>
<id root="1.2.3.4.5.7" extension="7"/>
<id root="1.2.3.4.5.10" extension="508"/>
<addr nullFlavor="NI"/>
<telecom nullFlavor="NI"/>
<assignedPerson classCode="PSN" determinerCode="INSTANCE">
<name>
<family>Hibbert</family>
<given>Julius</given>
</name>
</assignedPerson>
<representedOrganization classCode="ORG" determinerCode="INSTANCE">
<id root="1.2.3.4.5.8" extension="9"/>
<name>Springfield General Hospital</name>
<telecom nullFlavor="NI"/>
<addr nullFlavor="NI"/>
</representedOrganization>
</assignedAuthor>
</author>
...
</substanceAdministration>
Additionally, the author/time element is used to describe the time that the observation was created. This differs from the effectiveTime which represents the time the entry was or is effective. If no author/time is provided in an entry the creation time of the document is used.
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