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Home Employers Industry InsightsHealth Insurance Glossary for Employees

Demystifying Health Insurance: One Word at a Time

Help employees take charge of their coverage by helping them learn the language of health care.

Health insurance. It’s a tricky dialect. And if you’re not fluent, enrollment can feel like a giant mystery. But you’re in luck: We’re here to help you decipher it.

Want to demystify open enrollment season? Give your employees the chance to learn key terms year-round. We’ve built this glossary to be your quick-access reference. With our help, your workforce can have a better understanding in no time.

Annual out-of-pocket maximum
An annual out-of-pocket maximum is the most you’ll pay for covered health expenses in a plan year. Once you hit your annual out-of-pocket maximum, your health plan pays 100 percent of covered health expenses for the rest of the plan year.

Authorization means approval. Many health plans require you to get authorization before certain medical services, like a hospital stay or outpatient procedure. Authorization can also be called prior authorization or pre-certification.

To make sure that your care is authorized, call us at the number on the back of your ID card—or chat with a representative on

A beneficiary is a person who is eligible to receive health coverage under a plan. It could be the person who signed up for the plan, or their covered dependents, like their spouse or kids. For life insurance plans, a beneficiary is the person who will receive payment should the person who bought the plan die.

This is an important term to know. A benefit is an item or service that’s covered by your health plan. For example, preventive care is a benefit under most health plans.

A carrier is a licensed insurance company (like Cigna Health and Life Insurance Company.) Carrier can also refer to a health maintenance organization (HMO) or a third-party administrator (TPA).

A claim is a payment request from you or your health care provider to your health plan for covered services. In other words, it’s what you or your doctor sends your health plan carrier to get paid.

Coinsurance is the portion of the cost you pay for covered health services after your health plan starts to pay. This usually happens once the deductible has been met. Coinsurance can also refer to the percentage of covered expenses paid by your health plan.

Consumer driven health plan (CDHP)
A consumer driven health plan, or CDHP, is a type of health plan that combines a high annual deductible with lower monthly premiums/plan contributions and a tax-advantaged personal account. This account is usually either a health reimbursement account (HRA) or a health savings account (HSA).

A copay is the dollar amount you have to pay for a covered health care service under the terms of your health plan. It’s usually due at the time you receive the service, at a doctor’s appointment or for a medical procedure.

Copay vs. coinsurance

Copay is a flat fee. For example, if your plan includes a $30 copay for doctor’s visits, your bill will be $30 every time.

Coinsurance is a percentage of the total. For example, if your plan includes 20 percent coinsurance for treatment, then your bill will be different each time. Your 20 percent of the total will change as the total cost of the care changes.

...But what about a deductible?

Your deductible is an amount that you have to pay before your health plan will begin paying a portion of covered expenses. For example, if your plan has a $1000 deductible for the year, then every time you go to the doctor, you’ll pay the total bill—until all those bills have added up to $1000. After that, your plan kicks in, and, depending on which type of health care plan you have, you’ll pay a portion of covered costs for any care that comes afterward.

Coverage is the benefits a health plan provides you, and any covered dependents, for certain health expenses.

Customer ID
Your customer ID is the unique identifier associated with a health plan customer. Your customer ID is usually printed on your health plan ID card. It’s often a series of numbers and letters.

A deductible is the amount you pay each year before your plan begins to pay. Once the deductible has been met, your health plan starts to pay a share of the covered costs.

A dependent is a person who depends on you for health coverage. It’s usually a spouse, partner or child. If you’re enrolled in a health plan, a dependent may be eligible for coverage under your plan because of their relationship with you.

Effective date
Your activation date, also called your effective date or coverage start date, is the date your health plan starts. For example, you might enroll in your employer’s health plan on July 15 but have an activation date of September 1.

What’s the difference between a beneficiary and a dependent?

A beneficiary is anyone covered under your plan. That includes you. It also includes anyone in your family that’s on your health plan. A dependent is anyone besides you that’s getting coverage—i.e., kids, spouse, partner.

Employee assistance program (EAP)
An employee assistance program, or EAP, is a program purchased by an employer to:

  • Provide 24/7 confidential resources and assistance to employees and household members.
  • Address life challenges and needs which can affect health, well-being, relationships, and productivity.
  • Assist organizations with workplace concerns and critical events, e.g. natural disasters, loss of a co-worker, and more. Most services provided through the EAP are offered at no cost.

Exclusions and limitations
Exclusions and limitations are exceptions to your insurance policy or plan coverage. An exclusion is a condition or situation that is not covered by your plan. A limitation may limit benefits to a certain amount or for a certain amount of time.

Explanation of benefits
An explanation of benefits, or EOB, is a statement sent by the health plan carrier that explains what medical treatments and or services were paid for. It’s an explanation of your benefits for a particular service.

Identification (ID) card
This is the card given to all health plan customers by their health insurance company or health plan carrier. Your ID card helps doctors and other health care providers confirm that you have coverage and that you’re eligible under your plan to receive coverage for their services.

In-network refers to the doctors, hospitals, labs, and other providers that a health plan contracts with to provide discounted rates to its health plan customers. You typically pay less when you see in-network providers.

Inpatient care
Inpatient care is the type of care you receive when you’re admitted to a hospital, extended-care facility, nursing home or other similar health care facility for 1 night or longer.

A network is a group of doctors, hospitals, labs, and other health care professionals that have contracted with a health plan to deliver health care services to its customers. Usually, the providers in a network offer a discounted rate to health plan customers.

Non-network provider
A non-network, or out-of-network, provider is a doctor, hospital, lab, or other type of health care provider who isn’t part of your health plan’s contracted network. Some plans provide coverage when using a non-network provider. However, you’ll typically pay more for these services than if you were to stay in-network.

Open enrollment
Open enrollment is a time during the year when you can buy or change your health care coverage, either through your employer or on your own. The dates for open enrollment vary, depending on how you get your coverage. For many people, open enrollment takes place sometime during the fall.

Out-of-pocket maximum
An out-of-pocket maximum is the most you’ll pay out of your pocket for covered health care costs in a year, according to the terms of your health plan. Depending on the plan, this amount may include money spent on deductibles, copays, and coinsurance. Once you meet your out-of-pocket maximum, your health plan pays all covered health care costs for the rest of the year.

Plan year
A plan year is the 12 months during which your health plan is active and providing you with benefits. The 12 months don’t necessarily follow the calendar year. For example, your plan year can be from July 1 to June 30.

A premium is the required monthly payment you make to your health insurer for your health plan. If you have coverage through your employer, your premium cost is typically deducted from your paycheck each pay period.

Primary care provider (PCP)
A primary care provider, or PCP, is a health care provider that provides a broad range of routine medical services. A primary care provider refers patients to specialists, hospitals, and other health care providers as necessary. A primary care provider is usually a family or general practitioner, internist, or pediatrician. Some types of health care plans require you to choose a primary care provider and get a referral before seeing a specialist.

A provider is another term for a doctor, hospital, or another health care professional or facility that provides health care services. A dermatologist, pharmacist, nurse practitioner, physical therapist, or midwife are all examples of providers.

A referral is a recommendation from your doctor or health care provider to go see another health care provider for additional care, treatment, or a consultation. Many health plans require you to get a referral from your regular doctor or primary care provider before you can see a specialist.

Summary of benefits
A summary of benefits is the document from your health insurance company or health plan that gives you a brief list of your plan’s coverage and the cost sharing you’ll be responsible for when you go for services.

Learn your ABCs

Health care documents can be an alphabet soup of acronyms. Learn what the most common abbreviations mean so you and your employees can navigate your plans. Let’s dig in.

AD&D: Accidental death and dismemberment

ALOS: Average length of stay

ASC: Ambulatory surgery center

Auth: Authorization

CDHP: Consumer Driven Health Plan

CIN: Clinically integrated network

COB: Coordination of benefits

COI: Certificate of insurance

DME: Durable medical equipment

DOS: Date of service

E&L: Exclusions and limitations

EAP: Employee assistance program

EMT: Emergency medical technician

EOB: Explanation of benefits

EOC: Evidence of coverage

ER: Emergency room

FFS: Fee for service

FMLA: Family and Medical Leave Act

FSA: Flexible spending account

HDHP: High-deductible health plan

HIPAA: Health Insurance Portability and Accountability Act

HMO: Health Maintenance Organization

HRA: Health Reimbursement Account

HSA: Health Savings Account

ICU: Intensive Care Unit

IRF: Inpatient reading fee

LOS: Length of stay

LPN: Licensed practical nurse

LTD: Long term disability

MOOP: Maximum out-of-pocket

Non-par: Not participating (out-of-network)

NPI: National provider identifier

OOA: Out of area

OOP: Out-of-pocket

OTC: Over-the-counter drugs

OV: Office visit

PCP: Primary care provider

PHA: Personal Health Assessment

PHI: Protected health information

PPO: Preferred Provider Organization

Pre-auth : Pre-certification

Pre-x: Pre-existing conditions

QHP: Qualified health benefits plan

Remit: Remittance

ROI: Release of information

TPA: Third-party administrator

UCC: Urgent care center

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Didn’t see the term you were looking for? We’ve got more.

You can find the full glossary on And while you’re there, check out our helpful resources for more tips, common questions, and best practices to better engage in your benefits plan. Don’t forget: We’re here to help.

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