COBGC study materials
COBGC study resources

COBGC key terms

COBGC · Get comfortable with the vocabulary.

Group Psychotherapy

A therapeutic service in which a trained clinician treats several patients together using psychological methods to address mental health conditions, with the group itself serving as a tool for change.

Related: Group Counseling, Psychotherapy for Outpatient Services
Group Counseling

A structured group service focused on support, education, and problem-solving for members sharing a common issue, typically emphasizing coping skills rather than intensive psychological restructuring.

Related: Group Psychotherapy, Group Therapy Note
Group Therapy Note

The clinical record entry documenting a group session, including date, participants, duration, clinician, interventions used, and each patient's response and progress toward goals.

Related: Medical Necessity, Time-Based Coding
Medical Necessity

The determination that a service is reasonable and required to diagnose or treat a patient's condition, supported by documented signs, symptoms, and functional impairment.

Related: Group Therapy Note, Covered Diagnosis
Time-Based Coding

Selecting a procedure code according to the total face-to-face minutes spent providing the service, using published time thresholds rather than the number of participants.

Related: Group Therapy Note, Unit of Service
Unit of Service

The billable increment of a procedure, often defined as a specific number of minutes or one session, used to calculate how many units appear on a claim.

Related: Time-Based Coding, Claim Form CMS-1500
Psychotherapy for Outpatient Services

A category of CPT codes describing psychotherapy delivered in an outpatient setting, with separate code families for time thresholds and for group versus individual formats.

Related: Group Psychotherapy, CPT Code
CPT Code

A five-character numeric procedure code from the Current Procedural Terminology system used to report medical, diagnostic, and therapeutic services on health care claims.

Related: HCPCS Level II, Psychotherapy for Outpatient Services
HCPCS Level II

A national alphanumeric code set used for supplies, drugs, and some services not represented in CPT, sometimes required alongside procedure codes on behavioral health claims.

Related: CPT Code, Claim Form CMS-1500
ICD-10-CM

The US clinical modification of the International Classification of Diseases, Tenth Revision, used to assign diagnosis codes describing mental health and medical conditions on claims.

Related: Principal Diagnosis, Covered Diagnosis
Principal Diagnosis

The condition established after study to be chiefly responsible for the encounter, sequenced first on the claim and used to justify the services rendered.

Related: ICD-10-CM, Secondary Diagnosis
Secondary Diagnosis

An additional condition that coexists with or affects the principal diagnosis at the time of the encounter, coded after the principal diagnosis when relevant to care.

Related: Principal Diagnosis, Comorbidity
Comorbidity

A coexisting medical or psychiatric condition present in addition to the primary disorder, which can influence treatment planning, risk, and code selection.

Related: Secondary Diagnosis, Medical Necessity
Covered Diagnosis

A diagnosis that a payer recognizes as eligible for reimbursement of a given service, often listed on payer policies or coverage determination documents.

Related: Medical Necessity, Payer Policy
Modifier

A two-character code appended to a procedure code to provide additional information about the service, such as the setting, circumstances, or professional versus facility role.

Related: Modifier 95, Place of Service Code
Modifier 95

A modifier indicating that a service was delivered synchronously through telecommunication technology, used when the payer requires identification of telehealth delivery.

Related: Modifier, Place of Service Code
Place of Service Code

A two-digit code on the claim identifying where the service was furnished, such as an office, outpatient hospital, or community setting, affecting payment rules.

Related: Modifier, Claim Form CMS-1500
Claim Form CMS-1500

The standard paper or electronic claim format used by non-institutional providers to bill Medicare and other payers for professional services, including behavioral health group sessions.

Related: Place of Service Code, NPI
NPI

The National Provider Identifier, a unique ten-digit number assigned to health care providers and used on claims to identify the billing and rendering clinicians.

Related: Claim Form CMS-1500, Rendering Provider
Rendering Provider

The individual clinician who actually furnished the service to the patient, whose identifier is reported on the claim to support billing accuracy.

Related: NPI, Billing Provider
Billing Provider

The entity or clinician that submits the claim and receives payment, which may differ from the rendering provider in group practices or organizational settings.

Related: NPI, Rendering Provider
Payer Policy

A published set of coverage and billing rules from an insurer that specifies eligible services, documentation expectations, code combinations, and frequency limits for reimbursement.

Related: Covered Diagnosis, Prior Authorization
Prior Authorization

A payer requirement to obtain approval before delivering certain services, confirming medical necessity and eligibility so the claim is not denied later.

Related: Payer Policy, Medical Necessity
Coordination of Benefits

The process that determines which insurer pays first when a patient has coverage under more than one plan, preventing duplicate payment for the same service.

Related: Claim Form CMS-1500, Payer Policy
Explanation of Benefits

A payer statement summarizing how a claim was processed, showing allowed amounts, payments, adjustments, and patient responsibility such as copay or coinsurance.

Related: Remittance Advice, Denial
Remittance Advice

An electronic or paper document from a payer accompanying payment that lists claims, billed and paid amounts, and adjustment reason codes for posting and reconciliation.

Related: Explanation of Benefits, Denial
Denial

A payer's refusal to pay a claim or line item, often citing missing authorization, non-covered diagnosis, documentation gaps, or coding errors that require correction and resubmission.

Related: Appeal, Remittance Advice
Appeal

A formal request to a payer to reconsider a denied or underpaid claim, supported by clinical documentation and coding rationale within the payer's stated timeframe.

Related: Denial, Audit
Audit

A systematic review of clinical documentation against billed codes to verify accuracy, medical necessity, and compliance with payer and regulatory requirements.

Related: Internal Audit, Compliance Plan
Internal Audit

A planned self-review by an organization of its own records and claims, used to detect coding errors, documentation gaps, and risk before external scrutiny.

Related: Audit, Compliance Plan
Compliance Plan

A written program of policies, training, monitoring, and corrective actions designed to ensure billing and clinical practices follow applicable laws and payer rules.

Related: Internal Audit, False Claims Act
False Claims Act

A federal statute imposing liability on parties who knowingly submit or cause submission of false or fraudulent claims to government health programs.

Related: Compliance Plan, Upcoding
Upcoding

Billing a service at a higher level or longer time than documented and supported, which is a compliance violation and may constitute fraud.

Related: False Claims Act, Audit
Unbundling

Billing components of a service separately when a single comprehensive code should be used, resulting in improper additional payment and potential compliance risk.

Related: Upcoding, Audit
HIPAA Privacy Rule

Federal regulations governing the use and disclosure of protected health information, including minimum-necessary standards that apply to group session documentation and communications.

Related: Protected Health Information, Group Therapy Note
Protected Health Information

Individually identifiable health information held or transmitted by a covered entity, subject to privacy and security safeguards under federal law.

Related: HIPAA Privacy Rule, Group Therapy Note
42 CFR Part 2

Federal confidentiality regulations for substance use disorder treatment records that restrict disclosure more strictly than HIPAA and affect group counseling documentation and billing communications.

Related: HIPAA Privacy Rule, Protected Health Information
Scope of Practice

The range of services and activities a clinician is legally permitted to perform based on licensure, certification, and state law, which determines billable group services.

Related: Supervision, Group Psychotherapy
Supervision

Oversight of a trainee or associate clinician by a qualified professional, with requirements for documentation and billing that vary by payer and state law.

Related: Scope of Practice, Rendering Provider