The <templateId> elements identifies this <observation> as a severity observation,
allowing for validation of the content. As a side effect, readers of the CDA can quickly
locate and identify severity observations. The templateId elements shown above must
be present.
Context
Parent nodes of template element with id 1.3.6.1.4.1.19376.1.5.3.1.4.1
The <observation> element shall contain a <text> element. The <text> element shall
contain a <reference> element pointing to the narrative where the severity is recorded
The code attribute of <statusCode> for all severity observations shall be completed.
While the <statusCode> element is required in all acts to record the status of the
act, the only sensible value of this element in this context is completed.
The <value> element contains the level of severity. It is always represented using
the CD datatype (xsi:type='CD') and it shall use the SNOMED codes specified by the
epSOSSeverity 1.3.6.1.4.1.12559.11.10.1.3.1.42.13..