http://terminology.hl7.org/CodeSystem/v3-RoleClass| Code | Display | Definition |
| CASEBJ | Case Subject | A person, non-person living subject, or place that is the subject of an investigation related to a notifiable condition (health circumstance that is reportable within the applicable public health jurisdiction) |
| INVSBJ | Investigation Subject | An entity that is the subject of an investigation. This role is scoped by the party responsible for the investigation. |
| PAT | patient | A Role of a LivingSubject (player) as an actual or potential recipient of health care services from a healthcare provider organization (scoper). *Usage Note:* Communication about relationships between patients and specific healthcare practitioners (people) is not done via scoper. Instead this is generally done using the CareProvision act. This allows linkage between patient and a particular healthcare practitioner role and also allows description of the type of care involved in the relationship. |
| RESBJ | research subject | **Definition:**Specifies the administrative functionality within a formal experimental design for which the ResearchSubject role was established. **Examples:** Screening - role is used for pre-enrollment evaluation portion of the design; enrolled - role is used for subjects admitted to the experimental portion of the design. |