The Unclaimed Refund Alert is a private information service that organizes and provides publicly available data on the national health insurance system. It has not received any partnership, approval, or delegation from government agencies or the National Health Insurance Service. You must check your eligibility and refund amount, apply for a refund, or obtain a certificate through the official website or mobile service of the National Health Insurance Service.
■ What You Can Do in the App
Refund Calculator
If you enter your co-payment amount from last year and your income bracket, it calculates the amount exceeding the ceiling. It is based on the annual co-payment ceiling table published by the Ministry of Health and Welfare.
Health Insurance Premium Calculator
If you enter your monthly salary, it calculates your co-payments for health insurance and long-term care insurance.
Application Preparation Checklist
You can check the items you need to prepare before applying for a refund and monitor the progress.
Guide by Type of Unclaimed Refund
We have summarized where to check and the statute of limitations for each type of refund, ranging from national and local taxes, overpayments of the National Pension and the four major social insurances, telecommunications fees and paid broadcasting, dormant deposits and hidden insurance money, credit card points, to automobile bonds.
System Guide
This page includes the Co-payment Ceiling System, health insurance premium calculation methods, the National Health Insurance system, the procedure for issuing Certificates of Eligibility, how to check eligibility for health checkups, and frequently asked questions.
Font Size Adjustment
You can increase the screen font size up to 6 levels, allowing even those who find small text difficult to read comfortably.
■ Information Sources
National Health Insurance Service https://www.nhis.or.kr
Ministry of Health and Welfare https://www.mohw.go.kr
National Law Information Center (National Health Insurance Act and Enforcement Decree) https://www.law.go.kr
Ministry of the Interior and Safety · Government 24 (Integrated Inquiry on Unclaimed Refunds) https://www.gov.kr
National Tax Service https://www.nts.go.kr
National Tax Service Hometax (Inquiry on National Tax Refunds) https://www.hometax.go.kr
Wetax (Inquiry on Local Tax Refunds) https://www.wetax.go.kr
National Pension Service https://www.nps.or.kr
Korea Inclusive Finance Agency (Dormant Deposits · Dormant Insurance Benefits) https://www.kinfa.or.kr
Korea Credit Finance Association (Integrated Inquiry on Card Points) https://www.crefia.or.kr
Systems and rates are subject to change, and official agency announcements take precedence over the final information.
■ Medical Function Notice
This app is not a medical device and does not diagnose, treat, cure, or prevent diseases.
This is an information app that allows you to directly calculate your remaining refund amount and guides you to where to check for different types of unrefunded amounts.