1. Entry
     BC CDA Problem Observation (V3) (2.16.840.1.113883.3.51.60.3.9)
    1. Entry
       BC CDA Author (Body) (2.16.840.1.113883.3.51.60.3.5)
      1. Header
         BC CDA Person (2.16.840.1.113883.3.51.60.1.5.2)
      2. Header
         BC CDA Organization (2.16.840.1.113883.3.51.60.1.5.1)
    2. Entry
       Age Observation (2.16.840.1.113883.10.20.22.2.63)
    3. Entry
       Prognosis Observation (2.16.840.1.113883.10.20.22.2.75)
    4. Entry
       BC CDA Principle Diagnosis (2.16.840.1.113883.3.51.60.3.10)