What is the Medical Glossary?

Browse our complete A-Z glossary of medical terms, drugs, conditions, procedures, hospitals, and healthcare organizations.

What healthcare terms are defined in the MedicalRecords.com glossary?

The MedicalRecords.com glossary covers medical records terminology, healthcare IT acronyms, insurance terms, clinical vocabulary, regulatory terms (HIPAA, HITECH), and EHR/EMR industry definitions. It is designed for patients, healthcare professionals, and technology buyers seeking clear explanations.

What does EMR stand for in healthcare?

EMR stands for Electronic Medical Record. It is a digital version of the paper charts kept in a clinician's office, containing a patient's medical and treatment history from a single practice. Unlike EHRs (Electronic Health Records), EMRs are not typically designed to share information outside the practice.

What is HIPAA and why does it matter for medical records?

HIPAA (Health Insurance Portability and Accountability Act) is a federal law that establishes standards to protect sensitive patient health information. Under HIPAA, patients have the right to access and obtain copies of their medical records, and covered entities must respond to records requests within 30 days.

What is the difference between an EHR and an EMR?

An EMR (Electronic Medical Record) is a digital record used within a single practice. An EHR (Electronic Health Record) is designed to be shared across multiple healthcare settings — different physicians, hospitals, labs, and specialists — giving a broader view of a patient's care history.

Medical Glossary | A-Z Entity Directory

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OB-GYN Associates, Ltd. dba OBGYN Associates Data Breach (2025)

Event

OB-GYN Associates, Ltd. dba OBGYN Associates data breach in NV affecting 62,238 individuals. Reported 2025-10-06.

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OCH Regional Medical Center, MS Data Breach (2025)

Event

OCH Regional Medical Center, MS data breach in MS affecting 51,266 individuals. Reported 2025-03-11.

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Oak Valley Hospital District Data Breach (2023)

Event

Oak Valley Hospital District data breach in CA affecting 283,629 individuals. Reported 2023-09-15.

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Oglethorpe, Inc. Data Breach (2025)

Event

Oglethorpe, Inc. data breach in FL affecting 92,332 individuals. Reported 2025-08-05.

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Oliver Street Dermatology Management LLC Data Breach (2025)

Event

Oliver Street Dermatology Management LLC data breach in TX affecting 13,717 individuals. Reported 2025-05-30.

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Omni Family Health Data Breach (2024)

Event

Omni Family Health data breach in CA affecting 468,344 individuals. Reported 2024-10-04.

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Omni Healthcare Financial Holdings Data Breach (2024)

Event

Omni Healthcare Financial Holdings data breach in NC affecting 16,852 individuals. Reported 2024-05-18.

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OneTouchPoint, Inc. Data Breach (2022)

Event

OneTouchPoint, Inc. data breach in WI affecting 4,112,892 individuals. Reported 2022-07-27.

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Onix Group Data Breach (2023)

Event

Onix Group data breach in PA affecting 319,500 individuals. Reported 2023-05-26.

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Onsite Mammography Data Breach (2025)

Event

Onsite Mammography data breach in MA affecting 357,265 individuals. Reported 2025-04-21.

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Optima Dermatology Holdings, LLC Data Breach (2022)

Event

Optima Dermatology Holdings, LLC data breach in NH affecting 59,872 individuals. Reported 2022-04-18.

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OrthoAlaska, LLC Data Breach (2023)

Event

OrthoAlaska, LLC data breach in AK affecting 176,203 individuals. Reported 2023-09-22.

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Orthopaedic Specialists of Connecticut Data Breach (2025)

Event

Orthopaedic Specialists of Connecticut data breach in CT affecting 22,541 individuals. Reported 2025-04-23.

Medical Glossary

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OB-GYN Associates, Ltd. dba OBGYN Associates Data Breach (2025)

OCH Regional Medical Center, MS Data Breach (2025)

Oak Valley Hospital District Data Breach (2023)

Oglethorpe, Inc. Data Breach (2025)

Oliver Street Dermatology Management LLC Data Breach (2025)

Omni Family Health Data Breach (2024)

Omni Healthcare Financial Holdings Data Breach (2024)

OneTouchPoint, Inc. Data Breach (2022)

Onix Group Data Breach (2023)

Onsite Mammography Data Breach (2025)

Optima Dermatology Holdings, LLC Data Breach (2022)

OrthoAlaska, LLC Data Breach (2023)

Orthopaedic Specialists of Connecticut Data Breach (2025)