Insurance Terms Cheat Sheet: Premiums, Deductibles, and More

Insurance policies are full of terms that sound similar but mean different things. Understanding the vocabulary can help you compare options, avoid surprises, and use your coverage wisely. Keep this cheat sheet handy when you read a policy or talk with an agent. Details vary by policy and state, so always confirm with your insurer.

Money you pay

• Premium: The regular amount you pay to keep a policy active, whether monthly, quarterly, or yearly. You pay it even if you never file a claim.
• Deductible: The amount you pay out of pocket on a covered loss before the insurer pays. Higher deductibles generally mean lower premiums, but more cost at claim time.
• Copayment: A fixed amount you pay for a specific service, common in health insurance.
• Coinsurance: A percentage of covered costs you share with the insurer after meeting your deductible.
• Out-of-pocket maximum: A cap on what you pay in a plan year for covered services in many health plans. After you reach it, the plan generally covers eligible costs.

What the policy covers

• Coverage limit: The most the insurer will pay for a covered loss. If damage exceeds it, you cover the rest.
• Sublimit: A lower cap for specific items or situations within a policy, such as jewelry on a home policy.
• Exclusion: Something the policy does not cover. Common examples include certain natural disasters or intentional damage.
• Rider or endorsement: An add-on that changes a policy, often by adding coverage for a specific item or risk.
• Declarations page: The summary at the front of a policy listing who is covered, what is covered, limits, deductibles, and dates.

How claims are valued

• Actual cash value: Payment based on an item's value after depreciation, meaning what it was worth at the time of loss.
• Replacement cost: Payment based on the cost to replace an item with a similar new one, with no deduction for age. Policies may require specific steps to receive the full amount.
• Depreciation: The decline in value of an item over time due to age and wear.
• Subrogation: When your insurer pays a claim and then seeks reimbursement from the party at fault.

Liability and other key concepts

• Liability coverage: Protection if you are legally responsible for injuring someone or damaging their property.
• Beneficiary: The person or entity you name to receive a life insurance benefit or similar payout.
• Underwriting: The process an insurer uses to assess risk and decide on coverage and price.
• Insurable interest: A financial stake in the person or property being insured, which is generally required to buy a policy.
• Lapse: When a policy ends because premiums were not paid.
• Grace period: A short window after a missed premium during which coverage may continue.
• In-network and out-of-network: In health plans, in-network providers have agreements with the insurer and usually cost less.
• Pre-authorization: Approval an insurer may require before certain services or treatments.

Tips for using this vocabulary

• Read the definitions section of your own policy, since insurers may define terms slightly differently.
• Ask your agent to explain exclusions in plain language before you buy.
• Keep records of conversations, photos, and receipts when you file a claim.
• Contact your state insurance department if you cannot resolve a dispute with your insurer.

The takeaway: knowing a handful of terms helps you compare policies on more than price. When in doubt, ask questions, read the policy language, and consult a licensed professional.