http://terminology.hl7.org/CodeSystem/v3-ActClass| Code | Display | Definition |
| PCPR | care provision | An **Act** that of taking on whole or partial responsibility for, or attention to, safety and well-being of a subject of care. *Discussion:* A **care provision** event may exist without any other care actions taking place. For example, when a patient is assigned to the care of a particular health professional. In **request** (RQO) mood **care provision** communicates a referral, which is a request: * from one party (linked as a **participant** of type **author** (AUT)), * to another party (linked as a **participant** of type **performer** (PRF), * to take responsibility for a scope specified by the code attribute, * for an entity (linked as a **participant** of type **subject** (SBJ)). The scope of the care for which responsibility is taken is identified by *code* attribute. In **event** (EVN) mood **care provision** indicates the effective time interval of a specified scope of responsibility by a **performer** (PRF) or set of **performers** (PRF) for a **subject** (SBJ). *Examples:* 1. Referral from GP to a specialist. 2. Assignment of a patient or group of patients to the case list of a health professional. 3. Assignment of inpatients to the care of particular nurses for a working shift. |
| PROC | procedure | An Act whose immediate and primary outcome (post-condition) is the alteration of the physical condition of the subject. *Examples:* : Procedures may involve the disruption of some body surface (e.g. an incision in a surgical procedure), but they also include conservative procedures such as reduction of a luxated join, chiropractic treatment, massage, balneotherapy, acupuncture, shiatsu, etc. Outside of clinical medicine, procedures may be such things as alteration of environments (e.g. straightening rivers, draining swamps, building dams) or the repair or change of machinery etc. |