1. Section
     Problem Section (entries optional) (2.16.840.1.113883.10.20.22.2.5)
    1. Entry
       Problem Concern Act (Condition) (2.16.840.1.113883.10.20.22.4.3)
      1. Entry
         Problem Observation (2.16.840.1.113883.10.20.22.4.4)
        1. Entry
           Age Observation (2.16.840.1.113883.10.20.22.4.31)
        2. Entry
           Problem Status (2.16.840.1.113883.10.20.22.4.6)
        3. Entry
           Health Status Observation (2.16.840.1.113883.10.20.22.4.5)