Benefit Experts

Benefits 101 / Employee guide

A plain-language benefits glossary.

Look up a term, then use the linked guide for an example. Your plan documents provide the details for your coverage.

Quick answer
Insurance terms describe different parts of the same process: keeping coverage, getting care, sharing costs, and understanding the claim.

Costs

Money terms
TermMeaning
PremiumThe amount paid to keep coverage in force, whether or not you use care.
Allowed amountThe amount recognized by the plan for a covered service; often a negotiated rate in network.
DeductibleYour required payment for services subject to the deductible before the plan begins sharing those costs.
CopayA fixed amount for a covered service. Other services during the same visit may be billed separately.
CoinsuranceYour percentage share of the allowed amount under plan rules.
Out-of-pocket limitA limit on specified covered cost sharing; it does not include every expense, such as premiums or noncovered care.

Follow a cost-sharing example →

Access and coverage

Care terms
TermMeaning
NetworkProviders participating in the plan’s contracted network.
PPO, HMO, EPOPlan/network designs with differing access and referral rules. Check the actual plan rather than relying only on its initials.
ReferralA direction or authorization to obtain care from another provider, when required.
Prior authorizationA plan review required before certain services. Approval is not an unconditional payment guarantee.
FormularyThe plan’s prescription-drug list, with tiers and coverage rules.
Step therapyA requirement to try specified treatment before another is covered, subject to applicable exceptions.

Documents and accounts

Find the right document
TermMeaning
EOBExplanation of Benefits: how a claim was processed; not a bill.
SBCSummary of Benefits and Coverage: a standardized plan summary useful for comparison.
SPDSummary Plan Description: describes an ERISA plan’s operation and participant rights; consult governing documents and applicable law when a dispute arises.
HSAAn individually owned Health Savings Account. Keeping the account and being eligible to contribute are different questions.
Health FSAAn employer-sponsored health spending arrangement with contribution and expense deadlines.
HRAAn employer-funded Health Reimbursement Arrangement governed by its plan terms.

Enrollment and other benefits

Workplace terms
TermMeaning
Open enrollmentA scheduled period for benefit elections under the plan’s rules.
Special enrollmentA right to enroll outside that period after certain qualifying events and within applicable deadlines.
Waiting periodTime an otherwise eligible person waits for coverage; applicable group health waiting periods generally cannot exceed 90 days.
COBRATemporary continuation of certain employer coverage for qualified beneficiaries after qualifying events, subject to eligibility and deadlines.
Disability coverageBenefits replacing part of covered income when policy conditions are met.
Voluntary benefitsOptional coverage often paid by employees; check premiums and what the product supplements.
EAPEmployee Assistance Program: services and limits vary by the employer’s arrangement.

Sources checked September 19, 2026. General information; your plan and circumstances matter.

HC · glossaryIRS · HSADOL · COBRADOL · wait
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