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CCS (Customs & Trade Compliance Certifications) key terms

CCS · Get comfortable with the vocabulary.

ICD-10-CM

The U.S. clinical modification of the international classification used to assign codes to diagnoses and conditions for inpatient and outpatient encounters, supporting reimbursement, quality reporting, and statistical analysis.

Related: ICD-10-PCS, CPT, MS-DRG
ICD-10-PCS

A procedure classification system used only for inpatient hospital reporting in the U.S., built from seven-character codes describing the body system, root operation, approach, device, and qualifier.

Related: ICD-10-CM, MS-DRG
CPT

The Current Procedural Terminology code set maintained by the American Medical Association, used to report physician and outpatient services for reimbursement and tracking.

Related: HCPCS Level II, Evaluation and Management Coding, Modifier
HCPCS Level II

A national code set for supplies, drugs, durable medical equipment, and services not represented in CPT, maintained by CMS and used mainly by Medicare and other payers.

Related: CPT, Revenue Code
Evaluation and Management Coding

The process of selecting a code for a visit based on documented elements such as medical decision making or time, which determines the level of payment for the encounter.

Related: CPT, Medical Necessity
Modifier

A two-character addition to a procedure code that clarifies circumstances such as laterality, distinct service, or reduced service, affecting how a payer processes the claim.

Related: CPT, Claim Scrubbing
MS-DRG

The Medicare Severity Diagnosis Related Group system that groups inpatient stays into payment categories based on principal diagnosis, procedures, and complications, paying a fixed amount per discharge.

Related: ICD-10-PCS, Case Mix Index, Principal Diagnosis
Principal Diagnosis

The condition established after study to be chiefly responsible for the inpatient admission, which drives DRG assignment and must be sequenced first on the claim.

Related: MS-DRG, Present on Admission
Medical Necessity

The determination that a service is reasonable and required to diagnose or treat a condition according to accepted standards, forming the basis for payer coverage decisions.

Related: Evaluation and Management Coding, Clinical Documentation Improvement, Denial Management
Clinical Documentation Improvement

A program of concurrent review and physician queries that improves the precision and completeness of medical record documentation so codes accurately reflect severity and services provided.

Related: Medical Necessity, Case Mix Index, Query
Query

A formal, non-leading communication from a coding or CDI professional to a provider requesting clarification of documentation that is ambiguous, incomplete, or conflicting.

Related: Clinical Documentation Improvement, Present on Admission
Present on Admission

An indicator reported for each inpatient diagnosis showing whether the condition existed at the time of admission, used to flag hospital-acquired conditions and support quality and payment policies.

Related: Principal Diagnosis, Hospital-Acquired Condition
Hospital-Acquired Condition

A condition or complication that develops during a hospital stay and was not present at admission, which may reduce payment and is publicly reported as a quality measure.

Related: Present on Admission, Case Mix Index
Revenue Cycle

The end-to-end financial process of a healthcare organization, from patient scheduling and registration through coding, billing, payment posting, and collections.

Related: Charge Capture, Accounts Receivable Days, Denial Management
Charge Capture

The process of recording services, supplies, and procedures delivered to a patient so they can be billed, requiring accurate linking of documentation to billable items.

Related: Revenue Cycle, Charge Description Master
Charge Description Master

The organization's internal catalog of billable items and services with assigned prices and corresponding codes, used to generate charges on claims.

Related: Charge Capture, Revenue Code
Revenue Code

A four-digit code on a hospital claim identifying the type of service or accommodation billed, such as room and board or pharmacy, used with CPT and HCPCS codes.

Related: Charge Description Master, HCPCS Level II
Clean Claim

A claim submitted without errors or missing information that would prevent a payer from adjudicating it on the first pass, supporting faster payment.

Related: Claim Scrubbing, Denial Management
Claim Scrubbing

An automated pre-submission edit process that checks claims against payer rules for coding conflicts, missing data, and eligibility issues before transmission.

Related: Clean Claim, Modifier
Denial Management

The systematic process of identifying, categorizing, appealing, and preventing claim denials to recover revenue and reduce repeat losses.

Related: Clean Claim, Medical Necessity
Accounts Receivable Days

A metric expressing the average number of days it takes to collect payment after a service is billed, indicating revenue cycle efficiency and cash flow health.

Related: Revenue Cycle, Key Performance Indicator
Case Mix Index

The average relative weight of a hospital's inpatient discharges, reflecting patient acuity and complexity, and used in budgeting, staffing, and payment analysis.

Related: MS-DRG, Clinical Documentation Improvement
Key Performance Indicator

A quantifiable measure tracked over time to gauge progress toward an operational or strategic goal, such as coding accuracy or days in accounts receivable.

Related: Accounts Receivable Days, Benchmarking
Benchmarking

Comparing an organization's performance metrics against internal targets or external peers to identify gaps and prioritize improvement efforts.

Related: Key Performance Indicator, Data Governance
Data Governance

The policies, roles, and processes that define how data is collected, accessed, used, and protected across an organization, ensuring consistency and accountability.

Related: Data Steward, Data Quality
Data Steward

A designated role responsible for the quality, definition, and appropriate use of a specific data domain, acting as the authority for that data across the enterprise.

Related: Data Governance, Data Quality
Data Quality

The degree to which data is accurate, complete, consistent, timely, and fit for its intended use in clinical, operational, and reporting decisions.

Related: Data Governance, Data Validation
Data Validation

The process of checking data against defined rules, ranges, or source documents to confirm it meets quality standards before use or reporting.

Related: Data Quality, Data Mapping
Data Mapping

The process of defining relationships between data elements in different systems or terminologies so information can be exchanged, compared, or consolidated accurately.

Related: Data Validation, Interoperability
Interoperability

The ability of different health information systems to exchange and use shared data accurately, enabling coordinated care, reporting, and analytics across settings.

Related: Data Mapping, Health Information Exchange
Health Information Exchange

An arrangement or organization that enables electronic sharing of patient health information among providers, payers, and other authorized parties across systems.

Related: Interoperability, HIPAA Privacy Rule
HIPAA Privacy Rule

The federal regulation governing the use and disclosure of protected health information by covered entities, including patient rights and minimum necessary standards.

Related: Protected Health Information, HIPAA Security Rule
HIPAA Security Rule

The federal regulation requiring administrative, physical, and technical safeguards to protect the confidentiality, integrity, and availability of electronic protected health information.

Related: Protected Health Information, HIPAA Privacy Rule
Protected Health Information

Individually identifiable health information created or received by a covered entity that relates to a person's health, care, or payment, and is subject to HIPAA protections.

Related: HIPAA Privacy Rule, Minimum Necessary
Minimum Necessary

The HIPAA principle that only the least amount of protected health information needed to accomplish a purpose should be used, disclosed, or requested.

Related: Protected Health Information, HIPAA Privacy Rule
Release of Information

The controlled process of disclosing patient health information to authorized requesters after verifying consent, legal authority, and applicable privacy requirements.

Related: Protected Health Information, Minimum Necessary
Retention Schedule

A documented plan specifying how long each category of records must be kept and the method of final disposition, based on legal, regulatory, and operational requirements.

Related: Legal Health Record, Data Governance
Legal Health Record

The subset of patient information designated by an organization as its official business record for legal, disclosure, and evidentiary purposes.

Related: Retention Schedule, Release of Information
Fraud, Waste, and Abuse

Illegal or improper practices in healthcare billing and operations, ranging from intentional deception to unnecessary costs, targeted by compliance and audit programs.

Related: Compliance Program, False Claims Act
False Claims Act

A federal statute imposing liability on entities that knowingly submit false or fraudulent claims to government payers, with whistleblower provisions and significant penalties.

Related: Fraud, Waste, and Abuse, Compliance Program
Compliance Program

A structured set of policies, oversight, training, auditing, and enforcement mechanisms designed to prevent and detect violations of law and regulations.

Related: Fraud, Waste, and Abuse, Internal Audit
Internal Audit

An independent function that evaluates the effectiveness of controls, coding accuracy, and regulatory adherence, reporting findings to leadership and governance bodies.

Related: Compliance Program, Key Performance Indicator
Root Cause Analysis

A structured method for identifying underlying causes of a problem or adverse event rather than only symptoms, used to design corrective actions that prevent recurrence.

Related: Key Performance Indicator, Internal Audit
Predictive Analytics

The use of statistical models and historical data to forecast outcomes such as readmission risk, claim denial likelihood, or resource demand, supporting proactive decisions.

Related: Population Health Analytics, Data Quality
Population Health Analytics

Analysis of aggregated data across patient groups to identify risk, track outcomes, and target interventions that improve health and control costs.

Related: Predictive Analytics, Benchmarking
Informed Consent

A patient's voluntary agreement to a treatment or procedure after receiving and understanding information about risks, benefits, and alternatives.

Related: Advance Directive, Protected Health Information
Advance Directive

A legal document stating a patient's preferences for future medical care or naming a decision-maker, used when the patient cannot communicate decisions.

Related: Informed Consent, Legal Health Record
Breach Notification

The legal obligation to notify affected individuals, regulators, and sometimes the public when unsecured protected health information is impermissibly accessed or disclosed.

Related: HIPAA Security Rule, Protected Health Information