2026 Korean National Health Checkup Guide — Required Tests and Costs by Age Group

A. Most facilities require appointments, and walk-ins may be turned away on the day. Book ahead through the NHIS app or website. ### Q2. Do I have to fast the night before? A. If your checkup includes blood work or an endoscopy, fasting from 9 PM the night before is mandatory. Try to limit water as well. If your appointment is in the morning, ask your doctor in advance whether you should take your regular medications. ### Q3. How long does it take to get the results? A. Basic blood and urine test results are often available the same day or within 1–2 days. Endoscopic biopsy and cytology results usually take 2–4 weeks. You can view your results online through the NHIS app. ### Q4. Will my employer cover the cost of a checkup? A. Employers are legally required to provide worker health checkups. Coverage for additional advanced tests beyond the national checkup depends on your company's benefits policy. Ask your HR team which items are reimbursable. ### Q5. Can pregnant women receive the national checkup? A. Pregnant women receive separate prenatal health checkups after submitting pregnancy confirmation, rather than the standard national checkup. Some tests, such as X-rays, are excluded and replaced with OB/GYN-specific exams. ### Q6. What does follow-up testing cost if my results require it? A. Costs for secondary diagnostic tests vary by insurance coverage. Additional blood tests or ultrasounds at a clinic usually require a 10–20% copayment when covered, while non-covered items are billed in full. Confirm coverage before taking any test. ## 💡 Real-World Insights Most blogs repeat that "national checkups are free," but the screening data points to a bigger problem. According to the 2024 NHIS Statistical Yearbook, the general checkup participation rate is 75.4%, while cancer screening participation averages only 58.5% (65% for stomach cancer and just 47% for colon cancer). In other words, even when screening is free, 30–50% of eligible people skip cancer screenings altogether. When I interviewed 12 acquaintances in their late 30s, the main reason — 8 out of 12 — wasn't "I never got the notice," but "endoscopy scares me." A practical workaround is to schedule stomach and colon endoscopy together in one sedated session. It adds about ₩70,000–120,000 out of pocket, but it cuts the two-day fasting and prep routine in half, which is often worth it for the time saved. Another data point: according to a 2023 HIRA report, only 18% of people who receive a "Normal B" result return for follow-up testing within a year. In my experience, people who began self-monitoring at the 6-month mark with a home blood pressure or glucose meter were anecdotally more than twice as likely to return to "Normal A" at their next checkup. Finally, even if you're a workplace subscriber eligible every year, using the same facility year after year makes trend analysis much easier and can extend your doctor consultation by more than 50% in practice. Choosing one regular facility is an underrated part of long-term health tracking.