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.
Label
CDAtypeId
Klassifikation
CDA Header Level Template
Offen/Geschlossen
Offen (auch andere als die definierten Elemente sind erlaubt)
Benutzt von / Benutzt
Benutzt von 0 Transactions und 3 Templates, Benutzt 0 Templates
Template CDA typeId
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. 
Arztbrief (v2.01)