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A flexible spending account (FSA), also known as a flexible spending arrangement, is one of a number of tax-advantaged financial accounts that can be set up through a cafeteria plan of an employer in the United States.
What is a Limited Purpose FSA and How Account Holders Can Use It. By now, most people are familiar with Flexible Spending Accounts (FSAs), which allow you to set aside money from your paycheck pre-tax to pay for a wide variety of medical expenses. You may not be familiar, though, with the limited purpose FSA, or LPFSA.