"The Problem data structure describes relevant information related to each problem documented for the behavioral health client during the episode of care. This may include active (or relevant inactive/resolved) problems from previous episodes of care as well as any documented during the current encounter." - HL7 Behavioral Health Record DAM R2, Problem Note that this class corresponds to the FHIM HealthConcern class, and therefore, the HealthConcern may be substituted for this class. Thus, the attributes are all marked as derived.