The pre-determined amount of money paid by the patient before insurance company pays is:

The pre-determined amount of money paid by the patient before the insurance company pays is called the deductible. This is a common feature in health insurance plans, where the patient must pay a specified amount out-of-pocket for healthcare services before the insurance coverage begins to contribute to the costs.

References:

Understanding Health Insurance: A Guide to Billing and Reimbursement, 14th Edition, Michelle A. Green

Centers for Medicare & Medicaid Services (CMS), Health Insurance Basics