Healthcare Data Glossary — 100,000+ Terms

Billed or contracted cost associated with an ophthalmology service, procedure, or product such as corrective lenses or surgical implants, used in eye care revenue cycle systems to calculate patient liability, payer reimbursement, and cost reporting.

The calendar date on which a clinical, quality, or patient experience survey was administered or completed. Used in longitudinal care tracking, HEDIS measure reporting, and population health programs to establish when patient data was collected relative to care events.

A pharmacy student or graduate completing a structured work experience program in a pharmacy setting before or after graduation. Pharmacy externs gain practical experience in dispensing, patient counseling, and pharmacy operations. Extern hours are tracked in pharmacy education and workforce data systems.

A unique identifier assigned to a single behavioral health visit, session, or service event recorded within a patient's treatment episode. This identifier links all clinical documentation, billing records, and outcome measurements associated with that specific encounter, and is distinct from the broader episode-of-care identifier that may span multiple encounters across a treatment course. Used in behavioral health data warehouses to join encounter-level facts to claims, clinical notes, and quality measure calculations.

The classification grouping assigned to a physical service site, such as inpatient, outpatient, long-term care, or urgent care. Used in EHR, claims, and network management systems to segment facilities for reporting, contracting, and reimbursement processing.

The unique insurance policy identifier tied to a member's coverage at the time triage assessment was performed. Used in emergency department billing and claims systems to verify active policy, route claims to the correct payer, and apply plan-specific benefits for triage and initial evaluation services.

A binary flag identifying whether a patient triage record has been logically deleted from the emergency department system. When set, this indicator excludes the assessment from active clinical views while preserving the record for audit, compliance, and historical reporting purposes.

A unique alphanumeric code assigned to a healthcare service location in EHR, claims, and payer systems, such as NPI, CMS Certification Number, or internal facility ID, used to route claims, validate provider-facility relationships, and support network directory management.

The name or identifier of the individual who authorized the procurement, use, or reimbursement of a single-use clinical supply item. Used in supply chain and clinical governance workflows to maintain accountability, support audit trails, and enforce approval hierarchies for consumable medical supply management.

The patient heart rate in beats per minute measured and recorded by a licensed nursing professional during a clinical assessment. Documented as a vital sign in EHR and clinical documentation systems to monitor cardiovascular status, detect arrhythmias, and inform treatment decisions across care settings.