PRE Structure tests Checks wheter the CDA structure is conformant to the IHE PRE Content profile PRE Structure Verifies the R2 (required is exist) Elements of a Pharmacy Prescription Document (PRE) along chapter "3.7.1 Structure the Document" and "6.3.1.1 Pharmacy Prescription Specification 1.3.6.1.4.1.19376.1.9.1.1.1" : : : : : :