Where it is necessary to reference an external clinical document, the External Document
Reference template can be used to reference this external document. However, if the
containing document is replacing or appending to another document in the same set,
that relationship is set in the header, using ClinicalDocument/relatedDocument.
Context
Parent nodes of template element with id 2.16.840.1.113883.10.20.22.4.115
Classification
CDA Entry Level Template
Open/Closed
Open (other than defined elements are allowed)
Used by / Uses
Used by 0 transactions and 3 templates, Uses 0 templates