Insurance Glossary

Coverage for losses above the limit of an underlying policy or policies such as homeowners and auto insurance. While it applies to losses over the dollar amount in the underlying policies, terms of coverage are sometimes broader than those of underlying policies.

The individual trained in evaluating risks and determining rates and coverages for them. Also, an insurer.

The process of selecting risks for insurance and classifying them according to their degrees of insurability so that the appropriate rates may be assigned. The process also includes rejection of those risks that do not qualify.

Details the underwriting practices of an insurance company and provides specific guidance as to how underwriters should analyze all of the various types of applicants they might encounter. Also called an underwriting manual, underwriting guidelines, or manual of underwriting policy.

That part of the premium applicable to the unexpired part of the policy period.

Endorsement to a personal automobile policy that covers an insured collision with a driver who does not have liability insurance.

An amount customarily charged for or covered for similar services and supplies which are medically necessary, recommended by a doctor or required for treatment.