Key Concepts

Definition Documentation of a patient allergy or intolerance that is currently active, or was historically active. Typically, “allergy” refers to a patient’s propensity for immune system response to a substance and “intolerance” refers to a patien...

Definition A record describing the plan for a future, scheduled encounter. The appointment describes the plan for the encounter, not what actually happens in the encounter, apart from capturing whether the patient arrives and/or completes the enco...

Definition An encounter in which the patient received in-person care from a clinical provider, including non-physicians, in an office or clinic setting; operationally defined by the presence of one or more of the following: (1) a qualifying HCPCS ...

Definition A record from one of a set of designated Natural Objects representing the basic building blocks from which more complicated business logic is typically built. Each such document is assigned a Document ID that is unique within an ins...

Definition An encounter during which the patient received care in an emergency room setting; operationally defined by the presence of one or more of the following: (1) a qualifying revenue center code value on an institutional claim or bill; (2) a...

Definition An encounter taking place at an acute care hospital that includes a period of time during which the patient is considered to be inpatient status. The encounter is considered to start when the patient initially checks in at the hospital ...

Definition A past, current, or potential future consumer of health care services. Purpose Broadly used for many purposes. Related Objects Source Local Patient ID Crosswalk to Data Model Patient ID Patients Patients, Precursor 1 ...

Definition A collection of records capturing the changing status of a patient over time with respect to one or more "time-varying" patient features (i.e., patient features that can change over time). Features can be unique to the client, such as a...

Definition A Clinician Office Visit encounter with a primary care provider or in which primary care services were delivered; operationally defined by the presence of one or more of the following: (1) a service provider or attending provider iden...