| ICD-9 - International Classification of Diseases, 9th Edition- A numerical code used in medical billing describing a diagnosis or medical procedure to treat a disease, syndrom or disorder. |
| Incremental Nursing Charge- Charges for nursing services added to basic room and board charges. |
| Inpatient (IP)- Patients who stay overnight in the hospital. |
| Insurance balance billing- A statement sent to the patient after his or her insurance company has paid its portion of the claim. |
| Insurance Billing Specialist- A practitioner who carries out claims completion, coding, and billing responsibilities and may or may not perform managerial and supervisory functions; also known as an insurance claims processor or reimbursement specialist. |
| Insurance Company Name- Name of the company that your claim will be sent to. |
| Insured Group Name- Name of the group or insurance plan that insures you, usually an employer. |
| Insured Group Number- A number that your insurance company uses to identify the group under which you are insured. |
| Insured''s Name (Beneficiary)- The name of the insured person. |
| Intensive Care- Medical or surgical care unit in a hospital that provides care for patients who need more care than a general medical or surgical unit can give. |
| Internal Control Number (ICN)- A number assigned to your bill by your insurance company or their agent. |
| International Classification of Diseases, 9th Edition (ICD-9-CM)- A system that assigns codes to illnesses and procedures. |
| IV Therapy- Treatment provided by giving intravenous solutions or drugs. |
