Should You Switch to 5th-Generation Health Insurance? Premiums Drop 30%, But Your Non-Severe Copay Jumps to 50%

A quiet launch in May -- what actually changed

Why the premium dropped -- in exchange for a higher non-covered-care copay

5th-gen splits non-covered (out-of-pocket) medical care into severe and non-severe categories and treats them differently. Severe non-covered care -- things like cancer drugs or major surgery -- stays fully protected the way it always was. But the copay on non-severe non-covered care, things like manual/physical therapy or MRIs, rose to 50%. Where 4th-gen had that copay around 30%, the gap widened -- so while the premium is lower, you get back less when you actually run up a non-severe medical bill.

Why severe and non-severe were split in the first place

Non-severe non-covered treatments -- physical therapy, shockwave therapy, and similar -- have long been flagged as a main driver of rising claims ratios on supplemental insurance. To curb overuse and ease pressure on premium increases, regulators separated the coverage into a severe track (Rider 1), which stays fully protected, and a non-severe track (Rider 2), where usage-based rules now apply.

The discount/surcharge system -- 5% off if you barely file, up to 300% more if you file a lot

The non-severe track (Rider 2) keeps the same discount/surcharge structure tied to your claims history over the prior year. File little and you get up to a 5% discount; cross a certain threshold in medical claims and you face a surcharge of up to 300%. Severe non-covered care (Rider 1) is excluded from this discount/surcharge system entirely, so premiums for people being treated for serious illness don't spike.

Who benefits from switching, and who should think twice

If you rarely go to the doctor and file few non-covered claims, the lower premium on 5th-gen probably works in your favor. But if you've been a regular user of physical therapy or other non-covered injections, the jump to a 50% copay likely means a smaller reimbursement than you're used to. As an example: if you ran up $770 (1 million KRW) in physical therapy over 10 sessions, 4th-gen's 30% copay gets you back around $540 (700,000 KRW), while 5th-gen's 50% copay only returns about $385 (500,000 KRW). Before switching, start by tallying up what non-covered items and amounts you've actually claimed over the past year or two.

Whether you keep your current generation or switch, picking a provider that runs lower non-covered fees to begin with is another way to control cost. Going straight to a tertiary hospital for a minor illness like a cold, for instance, comes with a much higher copay rate than a neighborhood clinic -- a separate issue from the insurance generation question, but worth managing alongside your monthly medical spending.

The switching process -- does it trigger a new underwriting review?

Switching generations goes through each insurer's conversion-exception process, and is typically described as changing only the generation without a fresh health screening, unlike signing up as a new policyholder. That said, exact conditions and exceptions vary by product and insurer, so if you're considering it, confirm your policy's specific switching terms directly with your insurer's call center or agent first.

Staying on 4th-gen -- is that fine too?

Switching is optional, not required. Staying on 4th-gen doesn't mean your coverage disappears, so if you use hospitals often and the higher copay on 5th-gen concerns you, keeping your current product may be the better call. On the other hand, if rising renewal premiums bother you more than the copay change would, it's worth looking into. Public programs you can tap independently of supplemental insurance -- like National Health Insurance refunds and the out-of-pocket ceiling program -- are worth checking alongside this to reduce your overall medical spending.

The bottom line

5th-generation supplemental insurance lowers your premium in exchange for raising the non-severe non-covered copay to 50%. That favors light hospital users but can work against people who regularly get physical therapy or similar non-covered care. Switching is optional and never forced, so check your claims history first, confirm your specific policy's switching terms with your insurer, and decide from there. Just like recovering from a financial scam should only go through official channels, an insurance switch should too. Specific coverage terms and copay calculations vary by policy, so always confirm the details with your insurer.