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Healthcare Reference

Healthcare Glossary

Comprehensive definitions of healthcare terms, Medicare programs, billing codes, and clinical workflow terminology.

31+ Terms
7 Categories
Updated 2025
A

ACO (Accountable Care Organization)

Organizations

A group of doctors, hospitals, and other healthcare providers who voluntarily come together to provide coordinated, high-quality care to Medicare patients. ACOs share in savings achieved through improved care coordination.

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ADT (Admission, Discharge, Transfer)

Technology

Electronic notifications sent when a patient is admitted to, discharged from, or transferred between healthcare facilities. ADT alerts help care teams coordinate transitions and prevent readmissions.

AWV (Annual Wellness Visit)

Programs

A yearly preventive visit covered by Medicare that focuses on developing a personalized prevention plan. AWV is different from a physical exam and includes health risk assessments and care planning.

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B

BHI (Behavioral Health Integration)

Programs

A Medicare-reimbursable service that integrates mental and behavioral health services into primary care settings. BHI uses CPT codes 99484, 99492, 99493, and 99494 for billing.

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Billing Compliance

Compliance

Adherence to federal and state regulations governing healthcare billing practices. Includes proper documentation, accurate coding, and following Medicare/Medicaid guidelines to avoid fraud and abuse.

C

CCM (Chronic Care Management)

Programs

A Medicare program providing ongoing care coordination for patients with two or more chronic conditions. CCM services are billed using CPT codes 99490, 99491, 99487, 99489, and 99439.

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CMS (Centers for Medicare & Medicaid Services)

Organizations

The federal agency that administers Medicare, Medicaid, and the Children's Health Insurance Program (CHIP). CMS sets reimbursement rates and compliance requirements for healthcare programs.

CPT Codes (Current Procedural Terminology)

Billing

A standardized coding system maintained by the AMA used to report medical procedures and services for billing purposes. Examples include 99490 (CCM) and 99454 (RPM device supply).

Care Coordination

Clinical

The deliberate organization of patient care activities between two or more participants involved in a patient's care. Effective care coordination improves outcomes and reduces costs.

Care Gap

Clinical

A discrepancy between recommended care and the care actually received by a patient. Care gaps often relate to preventive services, screenings, or chronic disease management.

E

EHR (Electronic Health Record)

Technology

A digital version of a patient's medical history maintained by the provider over time. EHRs contain diagnoses, medications, treatment plans, immunization dates, allergies, and test results.

EMR (Electronic Medical Record)

Technology

A digital version of a patient's chart within a single practice. Unlike EHRs, EMRs are typically not designed to be shared outside the individual practice.

F

FHIR (Fast Healthcare Interoperability Resources)

Technology

A standard for exchanging healthcare information electronically. FHIR uses modern web technologies and RESTful APIs to enable seamless data exchange between healthcare systems.

H

HEDIS (Healthcare Effectiveness Data and Information Set)

Quality

A set of standardized performance measures used by health plans to measure care quality. HEDIS measures cover areas like preventive care, chronic disease management, and patient safety.

HIPAA (Health Insurance Portability and Accountability Act)

Compliance

Federal law that establishes national standards for protecting sensitive patient health information. HIPAA requires safeguards for PHI and gives patients rights over their health information.

HL7 (Health Level Seven)

Technology

A set of international standards for the exchange, integration, sharing, and retrieval of electronic health information. HL7 v2 is widely used for clinical messaging between systems.

I

Interoperability

Technology

The ability of different healthcare information systems, devices, and applications to access, exchange, integrate, and cooperatively use data in a coordinated manner.

M

MACRA (Medicare Access and CHIP Reauthorization Act)

Compliance

2015 legislation that changed how Medicare pays clinicians. MACRA created the Quality Payment Program (QPP) with two tracks: MIPS and Advanced APMs.

MIPS (Merit-based Incentive Payment System)

Quality

A Medicare program that adjusts payments based on performance in quality, cost, improvement activities, and promoting interoperability. Part of the Quality Payment Program under MACRA.

O

OIG (Office of Inspector General)

Compliance

The oversight body that protects the integrity of HHS programs including Medicare and Medicaid. OIG conducts audits, investigations, and evaluations to identify fraud and abuse.

P

PCM (Principal Care Management)

Programs

A Medicare service for patients with a single high-risk chronic condition requiring complex medical decision-making. PCM uses CPT codes 99424, 99425, 99426, and 99427.

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PCMH (Patient-Centered Medical Home)

Organizations

A care delivery model where patient treatment is coordinated through a primary care physician. PCMHs emphasize comprehensive, patient-centered, coordinated, accessible care.

PHI (Protected Health Information)

Compliance

Any individually identifiable health information held or transmitted by a covered entity. PHI includes demographic data, medical history, test results, and insurance information.

Population Health Management

Clinical

The aggregation of patient data across multiple health information technology resources to improve clinical and financial outcomes. Focuses on defined populations rather than individuals.

Q

QPP (Quality Payment Program)

Quality

A Medicare program that rewards value and outcomes in healthcare. QPP includes two tracks: MIPS for most clinicians and Advanced APMs for those in innovative payment models.

R

RPM (Remote Patient Monitoring)

Programs

The use of digital technologies to collect health data from patients in one location and electronically transmit it to healthcare providers. RPM uses CPT codes 99453, 99454, 99457, and 99458.

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RTM (Remote Therapeutic Monitoring)

Programs

A Medicare program for monitoring non-physiological data like medication adherence, therapy response, and pain levels. RTM uses CPT codes 98975, 98976, 98977, 98980, and 98981.

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Risk Stratification

Clinical

The process of assigning a health risk status to a patient based on various factors including diagnoses, utilization history, and social determinants. Used to prioritize care interventions.

S

SDOH (Social Determinants of Health)

Clinical

Non-medical factors that influence health outcomes including economic stability, education, social context, neighborhood environment, and healthcare access.

T

TCM (Transitional Care Management)

Programs

A Medicare service for patients transitioning from inpatient to community settings. TCM includes contact within 2 business days of discharge and a face-to-face visit within 7-14 days.

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V

VBC (Value-Based Care)

Programs

A healthcare delivery model where providers are paid based on patient health outcomes rather than volume of services. VBC incentivizes quality, efficiency, and patient satisfaction.

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