The clinical document typeId identifies the constraints imposed by CDA R2 on the content, essentially acting as a version identifier. The @root and @extension values of this element are specified as shown in the example below.
<tmp1 xmlns="">Label</tmp1>
CDAtypeId
<tmp1 xmlns="">Klassifikation</tmp1>
CDA Header Level Template
<tmp1 xmlns="">Offen/Geschlossen</tmp1>
<tmp1 xmlns="">Offen (auch andere als die definierten Elemente sind erlaubt)</tmp1>