Healthcare Glossary

Key healthcare terms

I

Identification card
This is a card given to each person covered under a benefit plan.
Immediate denture
This denture is constructed for insertion immediately after removal of natural teeth.
Immunoassay
This is a test using antibodies to identify and quantify substances; often the antibody is linked to a marker such as a fluorescent molecule, a radioactive molecule, or an enzyme.
Impacted tooth
A tooth that is positioned against another tooth, bone, or soft tissue is an impacted tooth. In this circumstance, a complete eruption is unlikely.
Implant
An implant is an artificial device specially designed to be placed surgically within or on the jawbones to replace teeth.
Implant (dental)
Device of metal or other foreign material that is surgically placed into or on the upper or lower bone to support a crown, bridge, or partial or full denture.
Implantation
Implantation is the process of placing an artificial or natural tooth into bone.
Impression
This is a mold of one or more teeth.
In area
In-area refers to healthcare providers and services that are available to members within the geographic area that a specific health plan services.
In network
These are providers who have contracts with a benefit plan to provide services at a set rate.
In process
Indicates an estimate or a claim has been received but processing is not complete.
Incisal
Incisal is the cutting edge of the front teeth.
Incisor
A cutting tooth in the front of the mouth is an incisor.
Incomplete application
This refers to an application in which one or more of the required elements established by CMS are not complete. For example: the form isn't signed by the beneficiary or the legal representative, supporting documentation for a representative's signature isn't included, necessary elements on the form are not completed, or entitlement to Part A cannot be established.
Incurred claims
Incurred claims equal the claims paid during the policy year plus claim reserves.
Indemnity insurance
This traditional fee-for-service coverage allows providers to be paid according to their service fees.
Individual allowance
The amount Humana pays toward the cost of a covered prescription drug is known as individual allowance.
Individual deductible
Amount of eligible expense a covered person must pay each year before the dental plan will pay for eligible benefits.
In-force business
Coverage for which premiums are being paid or for which premiums have been fully paid is referred to as in-force business.
Initial Coverage Election Period
ICEP is the three-month span immediately before you are entitled to Medicare Part A and enrolled in Part B. During this time you can choose a Medicare health plan.
Initial Enrollment Period (IEP)
The first chance you have to enroll in Part B is during your IEP, a seven-month period that begins three months before the month you are first eligible for Medicare Part B. Usually, this means the IEP begins three months before the month in which you turn 65 years old. It ends three months after you turn 65. The Initial Enrollment Period is different from the Initial Coverage Election Period. See definitions for Eligibility: Medicare Part A and Initial Coverage Election Period.
Injury
Injury is bodily harm that results directly from an accident, independent of disease or bodily infirmity or any other cause.
Inlay
This dental restoration is made outside of the oral cavity to match the form of a prepared cavity and is then cemented into the tooth.
In-network coverage
In-network coverage refers to the eligible benefits that are offered when you choose an in-network or participating provider.
In-network providers
A healthcare provider (such as a doctor, hospital, other medical facility, or pharmacy) is considered an in-network provider if it has agreed to charge a set rate for members of a health benefits plan. Your network choices may vary, depending on your plan and where you live. With PPO and HMO plans, you can reduce your costs by using in-network providers, which are also known as participating providers.
Inpatient
You are considered an inpatient if you have been registered and admitted to a healthcare facility and have been charged for room and board.
Inpatient care
Healthcare you receive while admitted to a hospital is inpatient care.
Inpatient hospital
An inpatient hospital admits patients and primarily provides the following services by or under the supervision of physicians: diagnostic services, surgical and non-surgical therapeutic services, and rehabilitation services. Psychiatric facilities, even if they admit patients, are not considered inpatient hospitals.
Inpatient hospital services
These services include bed and board, nursing services, diagnostic or therapeutic services, and medical or surgical services.
Insured
This refers to someone covered by an insurance benefits plan.
Insurer
An insurer is an organization that bears the financial risk for services and material provided to an individual or group.
Interproximal surface
This is the surface of a tooth that faces its adjoining tooth as they stand in the line in the dental arch.
Intravenous sedation/analgesia
This is a medically controlled state of unconsciousness that involves maintaining a patient's airway, reflexes, and the ability to respond to stimulation or verbal commands. It requires use of a sedative and/or pain reducing IV and monitoring.