Medical Billing and Healthcare BPO Terms Explained: A Simple Glossary for Beginners
By JobKarle Editorial Team · Published · 4 min read
Plain-language meanings of the terms you will hear in AR calling, medical billing and healthcare BPO interviews, from payer and EOB to CPT, ICD-10 and denial codes.
The people and organisations
- Provider: the doctor, hospital, lab or clinic that gives care
- Payer: the insurance company or government program that pays for care
- Patient or member: the person who receives care and holds the insurance
- Clearinghouse: a service that checks claims for errors and passes them electronically to the payer
- Medicare: the US government health program mainly for people aged 65 and over
- Medicaid: a government program for people with low income, run by individual states
- Commercial insurance: plans offered by private insurance companies, often through employers
Claims and forms
- Claim: the bill a provider sends to a payer for services given
- CMS-1500: the standard claim form used for professional services such as doctor visits
- UB-04: the standard claim form used by hospitals and other facilities
- Date of service (DOS): the date the patient received care
- Billed amount: what the provider charged
- Allowed amount: the maximum the payer agrees to pay for a service under the contract
- Adjudication: the payer's process of reviewing a claim and deciding what to pay
Coding terms
- CPT code: a code that describes the procedure or service performed
- ICD-10 code: a code that describes the patient's diagnosis or condition
- HCPCS code: codes for supplies, equipment and some services, mainly used with Medicare
- Modifier: an extra code that adds detail to a procedure code
- Medical necessity: whether a service is considered needed for the patient's condition
Money and patient responsibility
- Copay: a fixed amount the patient pays at the time of the visit
- Deductible: the amount the patient pays each year before insurance starts paying
- Coinsurance: the percentage of the cost the patient pays after the deductible
- Out-of-pocket maximum: the most a patient pays in a year before the plan pays fully
- Contractual adjustment: the difference between billed and allowed amount, which the provider writes off
- Patient responsibility: the part the patient owes after insurance
Payments and statements
- EOB (explanation of benefits): a statement from the payer explaining how a claim was processed
- ERA (electronic remittance advice): the electronic version of payment and adjustment details sent to the provider
- Payment posting: recording payments and adjustments against the claim in the billing system
- Remittance: the payment together with the details of what it covers
Denials and follow-up
- Denial: the payer refuses to pay a claim, in whole or in part
- Rejection: the claim was not accepted at all because of a format or data error, and needs correcting and resending
- Appeal: a formal request asking the payer to review and change its decision
- Timely filing: the deadline for sending a claim or appeal, which differs by payer
- Coordination of benefits (COB): rules for deciding which insurer pays first when a patient has more than one plan
- Prior authorization: approval from the payer before a service is given
- Claim adjustment reason code: a standard code that explains why a payer changed the payment
- Aging: how long a claim has been unpaid, often grouped as 0 to 30, 31 to 60, 61 to 90, 91 to 120, and over 120 days
Compliance
- HIPAA: the US law that protects the privacy and security of health information
- PHI (protected health information): any patient information covered by HIPAA
- Call reference number: the number a payer gives you for a call, which you record in your notes
How to learn these terms
- Read this list a few times and say each definition in your own words.
- Draw the revenue cycle on paper and mark where each term appears.
- Make flash cards for CPT, ICD-10, EOB, ERA, copay, deductible, coinsurance and denial.
- Practise explaining one claim from visit to payment, using these words.
- Take a free introductory course on US medical billing if you want more depth.
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