Medical Expense Sinking Fund
Published and reviewed: July 29, 2026
A medical sinking fund covers expected health costs, while emergency savings remain available for larger unexpected events.
Review prior-year costs
Add copays, prescriptions, dental care, vision care, therapy, supplies, and predictable procedures.
Separate routine from catastrophic costs
Routine costs can be funded gradually. Large unpredictable bills may require emergency savings or a payment plan.
Choose the contribution amount
Divide the expected annual total by the number of pay periods.
Keep records organized
Save receipts, statements, explanations of benefits, and payment-plan documents.
Frequently asked questions
Is a medical sinking fund the same as an HSA?
No. A sinking fund is a budgeting category. An HSA is a tax-advantaged account subject to eligibility rules.
Should dental and vision be included?
Yes, when they are predictable household expenses.
What if costs are unknown?
Start with prior spending and revise the estimate after each billing cycle.