RHIA study materials
RHIA study resources

RHIA key terms

RHIA · Get comfortable with the vocabulary.

Data governance

The formal system of decision rights and accountability that determines who may create, access, modify, and use an organization's data. It sets policies, standards, and stewardship roles so data remain accurate, secure, and usable.

Related: Data stewardship, Data dictionary, Information lifecycle
Data stewardship

The assigned accountability of individuals who manage specific data domains, ensuring definitions, quality, and appropriate use are maintained over time. Stewards carry out governance policy in daily operations and resolve data problems.

Related: Data governance, Data quality
Master patient index (MPI)

A database that assigns a unique identifier to each patient and links that identifier to all records about that person across the organization. It is the primary tool for preventing duplicate and overlapped records.

Related: Data quality, Legal health record
Legal health record

The portion of health information that an organization designates, through policy and law, as its official business record. It is what is released on a valid request and may exclude informal or duplicate data.

Related: Retention schedule, Authorization
Retention schedule

A policy listing each record type, the length of time it must be kept, and its final disposition. Periods reflect legal, regulatory, accreditation, and business needs, and destruction must be documented.

Related: Legal health record, Information lifecycle
Data quality

The degree to which data are accurate, complete, timely, consistent, and relevant for their intended use. Organizations monitor these dimensions through validation rules, audits, and edit checks.

Related: Data governance, Data dictionary
Data dictionary

A reference defining each data element in a system, including its name, format, allowed values, source, and meaning. It supports consistent collection and interpretation of data across users and systems.

Related: Data governance, Interoperability
Information lifecycle

The stages information passes through, from creation or capture through use, storage, archival, and destruction. Governance policies address each stage to balance access, privacy, and legal requirements.

Related: Retention schedule, Data governance
Minimum necessary standard

A HIPAA requirement that covered entities limit uses, disclosures, and requests for protected health information to the least amount reasonably needed for the purpose, with exceptions such as treatment disclosures to providers.

Related: Treatment, payment, and health care operations (TPO), Authorization
Treatment, payment, and health care operations (TPO)

The three core purposes for which protected health information may be used or disclosed without patient authorization, subject to conditions such as the minimum necessary standard.

Related: Minimum necessary standard, Accounting of disclosures
Authorization

A written, signed permission from a patient allowing a covered entity to use or disclose specified protected health information for a stated purpose. It must contain required elements and can be revoked in writing.

Related: Minimum necessary standard, Notice of Privacy Practices
Accounting of disclosures

A patient's right to receive a list of certain disclosures of their protected health information made by a covered entity, generally covering the six years before the request and excluding disclosures for treatment, payment, and operations.

Related: Treatment, payment, and health care operations (TPO), Authorization
Notice of Privacy Practices

A document explaining how a covered entity may use and disclose protected health information, the patient's rights, and the entity's legal duties. Patients must receive it and acknowledge receipt.

Related: Authorization, Accounting of disclosures
Business associate agreement

A HIPAA-required contract between a covered entity and a vendor that handles protected health information on its behalf, specifying permitted uses, safeguards, breach reporting, and return or destruction of data.

Related: Breach notification, Minimum necessary standard
Breach notification

The duty to notify affected individuals, the federal government, and sometimes the media after an impermissible use or disclosure of unsecured protected health information, generally within 60 days of discovery.

Related: Business associate agreement, De-identification
De-identification

The process of removing or altering identifiers so health information no longer identifies an individual, using either the Safe Harbor list of identifiers or a qualified expert's determination.

Related: Minimum necessary standard, Data mining
Health information exchange (HIE)

The electronic movement of health information among organizations according to national standards, allowing providers to share patient data across different systems while protecting privacy and security.

Related: Interoperability, Data warehouse
Interoperability

The ability of different information systems to exchange data and to use the exchanged data meaningfully, supported by standards for content, format, and transport.

Related: Health information exchange (HIE), Data dictionary
Data warehouse

A centralized repository that consolidates data from multiple source systems, standardizes and cleanses it, and stores it for reporting and analysis rather than day-to-day transaction processing.

Related: Data mining, Dashboard
Data mining

The use of statistical and computational methods to discover patterns, correlations, and anomalies in large data sets, supporting clinical, operational, and financial decisions.

Related: Predictive analytics, Data warehouse
Clinical decision support (CDS)

Health IT features that deliver patient-specific knowledge, alerts, or reminders to clinicians at the point of care, such as drug interaction warnings or preventive screening prompts, to improve decisions.

Related: Predictive analytics, Dashboard
Predictive analytics

Methods that use historical data and statistical models to estimate the likelihood of future outcomes, such as readmission or disease onset, so organizations can intervene proactively.

Related: Data mining, Clinical decision support (CDS)
Dashboard

A visual display presenting key performance indicators and trends in a compact format, allowing leaders to monitor performance at a glance and make timely decisions.

Related: Data warehouse, Benchmarking
Natural language processing (NLP)

A computing field that enables machines to interpret human language, used in health care to extract meaning from narrative clinical text and convert it into structured, analyzable data.

Related: Data mining, Data warehouse
Revenue cycle

The end-to-end administrative and clinical processes managing a patient account from scheduling and registration through charge capture, coding, billing, payment posting, and collections.

Related: Charge capture, Claim scrubber, Denial management
Charge description master (CDM)

An organization's catalog of billable items and services with their codes, descriptions, and prices. Its accuracy drives correct charging, clean claims, and compliance with payer rules.

Related: Charge capture, Revenue cycle
Charge capture

The process of recording the services, supplies, and procedures provided to a patient so they can be billed. Missed or inaccurate capture reduces revenue and distorts clinical and financial data.

Related: Charge description master (CDM), Revenue cycle
Case mix index (CMI)

A measure of the average resource intensity of a hospital's patients, calculated from diagnosis-related group weights. Higher values generally reflect sicker patients and greater expected costs.

Related: MS-DRG, Revenue cycle
MS-DRG

Medicare Severity Diagnosis Related Groups, a prospective payment classification grouping inpatient stays by principal diagnosis, procedures, and comorbidities, each assigned a weight used to calculate payment.

Related: Case mix index (CMI), Claim scrubber
Claim scrubber

Software that checks claims against payer rules and edits before submission, flagging missing data, coding conflicts, or coverage problems to reduce denials and rework.

Related: Denial management, Remittance advice
Remittance advice

A notice from a payer explaining how a claim was adjudicated, including paid amounts, adjustments, and denial reasons. It is used for posting payments and managing denials.

Related: Denial management, Revenue cycle
Denial management

The systematic process of identifying, analyzing, appealing, and preventing claim denials, including root-cause review to correct underlying registration, coding, or documentation problems.

Related: Claim scrubber, Remittance advice
Strategic plan

A document stating an organization's mission, vision, long-term goals, and the actions and resources needed to reach them, usually covering a multiyear horizon.

Related: SWOT analysis, Benchmarking
SWOT analysis

A planning tool that identifies an organization's internal strengths and weaknesses and external opportunities and threats, used to shape strategy and prioritize initiatives.

Related: Strategic plan, Benchmarking
Benchmarking

Comparing an organization's performance, processes, or outcomes with those of peers or best-in-class organizations to identify gaps and set improvement targets.

Related: Dashboard, Strategic plan
PDSA cycle

Plan-Do-Study-Act, a structured, iterative method for testing a small change, studying the results, and then adopting, adapting, or abandoning it to improve a process.

Related: Benchmarking, Change management
Budget variance

The difference between budgeted and actual financial results, stated in dollars or percentages. Managers analyze it to explain overspending or shortfalls and to take corrective action.

Related: FTE, Strategic plan
FTE

Full-time equivalent, a unit expressing workload as the number of full-time hours worked, so two half-time employees equal one FTE. It is used for budgeting and productivity measurement.

Related: Budget variance, Benchmarking
Change management

The structured methods used to prepare people for and support them through organizational change, addressing communication, training, resistance, and reinforcement so the change lasts.

Related: PDSA cycle, Strategic plan