This class represents a human being of interest to the enterprise. The person may potentially play many different roles, including those of a patient, a provider, or an employee. It is noted that the same person may play different roles at different times. For example, an employee may also be a licensed healthcare provider and may also at times be a patient. "Demographics and administrative information about a person independent of a specific health-related context." - HL7 FHIR, Person Notes: Removed educationLevel (4/4/2013) until we have a clear use case for it. It's in the HL7 RIM, but not in V2. Note that education information for provider credentialling is in Provider. We had an ethnicityGroup and raceCategory to handle more coarse-grained codesets, but removed them as the ethnicity and race codes are expected to use hierarchical fine-grained codesets. The groups or categories can be calculated from the fine ones.