Registration & Eligibility
Coding & Documentation
Billing & Claims
Denials & Follow‑Up
Revenue Cycle Concepts
100

This information must be verified at every visit to avoid claim rejections.

What is insurance eligibility?

100

The numeric or alphanumeric representation of a diagnosis.

What is an ICD‑10 code?

100

A request sent to the payer asking for reimbursement.

What is a claim?

100

When a payer refuses to reimburse a claim.

What is a denial?

100

The full process from patient scheduling to payment posting.

What is the Revenue Cycle?

200

This refers to the patient’s personal information, such as address and DOB.

What is demographics?

200

Providers must complete this to support coding and billing.

What is medical documentation?

200

Errors in claims are flagged as these before submission.

What are edits?

200

The process of challenging a denial to get it overturned.

What is an appeal?

200

This step occurs when a provider asks the payer to review a previously denied claim without submitting a formal appeal, often used when additional information or clarification can resolve the issue.

What is a reconsideration?

300

The patient payment collected before a service based on their insurance plan.

What is a copay?

300

These two‑digit additions help give extra detail to CPT codes.

What are modifiers?

300

The amount owed by the patient after insurance pays their portion.

What is the patient balance?

300

This type of denial occurs when the patient’s coverage lapsed.

This type of denial occurs when the patient’s coverage lapsed.

300

This document lists all services and charges for the patient.

IB

400

The process of confirming if prior approval is needed for a service.

What is pre‑authorization?

400

This type of note describes the patient encounter narrative.

What is the progress note?

400

This describes the maximum number of days allowed to submit a claim.

What is the timely filing limit?

400

Payers sometimes take back previously paid money in this process.

What is recoupment?

400

This term describes the percentage of the allowed amount that a patient must pay after the deductible is met, often resulting in shared cost responsibility between the patient and the insurance plan.

What is coinsurance?

500

Denial occurs when the service level billed does not match what was authorized

Level-of-care denial  

500

This principle requires that medical record documentation supports the intensity of the service billed, including history, exam, and medical decision‑making.

What is Medical Necessity?

500

A change to the original billed amount, usually due to payer rules or contracts.

What is an adjustment?

500

This denial occurs when a claim is rejected because the payer has already processed another claim for the same patient, same date of service, and same procedure—flagging it as a suspected duplicate.

What is a duplicate claim denial?

500

A payer explanation sent with details about how a claim was processed.

What is an EOB or remittance advice?

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