Overview
If someone has a ₹10 lakh health insurance policy, they would expect a ₹95,000 hospital bill to be covered in full. But when the claim is settled, the insurer pays only ₹50,000, leaving the person to bear the remaining ₹45,000 out of pocket. Why? Because the policy included a disease wise sub-limit.
Since most people focus on the sum insured and the premium, it's easy to miss disease wise sub-limits while buying health insurance. But disease wise sub-limits can significantly reduce your claim payout for certain treatments.
In this guide, we’ll explain what disease wise sub-limits in health insurance are, how they work, which treatments are commonly affected, and what you should look for when choosing a health insurance policy.
What Are Disease Wise Sub-Limits in Health Insurance?
Disease wise sub-limits are predefined caps on the amount your insurer will pay for treating specific illnesses or procedures, regardless of your overall sum insured. They apply only to the specific illness or procedure for which the sub-limit has been defined.
These are among the most common forms of sub-limits in health insurance, but they're usually buried in the policy wording rather than being highlighted in the brochure.
A real-world example of how disease wise sub-limits work is the Star Health Family Health Optima Plan. Under this policy, the cataract treatment sub-limit depends on the sum insured, with the limit increasing as the sum insured goes up. For instance, if someone has a ₹10 lakh sum insured, the policy covers cataract treatment up to ₹50,000 per eye and up to ₹75,000 for the whole policy year.
How Are Disease Wise Sub-Limits Structured?
Insurers generally apply disease wise sub-limits in one of two ways:
- Fixed Amount Sub-Limit: The insurer specifies a maximum payout for a particular treatment, regardless of your sum insured.
- Percentage-Based Sub-Limit: The limit is defined as a percentage of the sum insured.
Let's look at how this works in real policies.
- Care Freedom follows an amount-based structure for cataract surgery. Here, the applicable sub-limit is linked to your sum insured. It is ₹20,000 per eye for a ₹3 lakh sum insured and ₹30,000 per eye for a ₹5 lakh, ₹7 lakh, or ₹10 lakh sum insured.
- New India Assurance Mediclaim Policy follows a percentage-based structure. It covers cataract treatment up to 20% of the sum insured or ₹50,000 per eye, whichever is lower.
Why Do insurers apply sub-limits in Health Insurance?
To Control Treatment Costs
To Discourage Inflated Hospital Bills
To Keep Premiums Affordable
To Extend Coverage to Higher-Risk Applicants
Common Diseases With Sub-Limits in Health Insurance
Although the exact list differs from one insurer to another, the following conditions and procedures commonly have disease wise sub-limits:
- Cataract
- Hernia
- Kidney Stone Removal
- Joint Replacement (Knee/Hip)
- Piles, Fissures, and Fistula
- Gallbladder Surgery
- Prostate Surgery
- Appendectomy
Other Treatment Categories With Sub-Limits
Beyond these commonly listed procedures, a few other categories can also carry sub-limits in less obvious ways.
Day Care Treatments
While IRDAI mandates coverage for advanced procedures requiring less than 24 hours of hospitalization, these treatments aren't exempt from standard policy restrictions. If your health plan comes with disease wise sub-limits, those caps will still apply to the procedure.
Modern Treatments
All health insurance policies are required to cover advanced, high-tech procedures such as robotic surgeries or stem cell therapy. However, some insurers impose sub-limits or percentage-based caps on these cutting-edge treatments to control high technological costs. For instance, SBI Retail Health Policy covers robotic surgeries but caps coverage at 50% of the sum insured.
AYUSH
Alternative treatments under AYUSH must be covered up to the full sum insured and treated at par with allopathic care. However, this "at par" treatment works both ways. If a health plan enforces general sub-limits or co-payments, those same financial limits apply to AYUSH claims as well.
Maternity and Newborn Cover
Whether offered as an inbuilt feature or an add-on, maternity and newborn cover often comes with its own sub-limits attached. In ICICI Lombard Elevate, the optional maternity add-on covers delivery expenses up to 10% of the sum insured, subject to a maximum limit of ₹1 lakh, after a 24-month waiting period.
How Sub-Limits Affect Your Final Claim?
If the cost of your treatment exceeds the disease wise sub-limit in your policy, you'll have to pay the remaining amount yourself, even if you have sufficient sum insured available.
For instance, suppose you have a ₹15 lakh health insurance policy with a ₹1.5 lakh sub-limit for knee replacement. If your hospital bill comes to ₹2 lakh, the insurer will pay only ₹1.5 lakh, and you'll have to bear the remaining ₹50,000 out of pocket, even though you still have plenty of unused sum insured.
Room Rent Limits Can Further Reduce Your Claims
Another clause that can reduce your claim payout is the room rent limit.
Insurers generally apply room rent limits in one of two ways:
- Monetary Limit: The policy caps the amount your insurer will pay for your hospital room each day. This may be a fixed amount (for example, ₹5,000 per day) or a percentage of your sum insured (for example, 1% per day).
- Room Type Restriction: Instead of capping the number, some policies cover only certain room types, such as shared, semi-private, or single-private rooms. If you choose a higher-category room than your policy allows, you'll have to pay the additional cost yourself.
In most policies, choosing a room outside the allowed limit or category doesn't just increase your room rent. Insurers also apply a proportionate deduction, reducing the payout for related expenses such as surgery charges, doctor consultation fees, and nursing charges in the same proportion.
For example, suppose your policy has a room rent limit of ₹5,000 per day, but you choose a room that costs ₹10,000 per day. Since your eligible room rent is only half of the actual room rent, the insurer may settle only 50% of the associated medical expenses as well, significantly increasing your out-of-pocket costs.
Even if your policy has no disease wise sub-limits, a room rent limit can still reduce your claim payout. That's why it's important to review both clauses before buying a policy.
The Reasonable and Customary Charges Clause: What You Need to Know
Another clause that can quietly reduce your claim is the Reasonable and Customary Charges clause. It allows insurers to reimburse only what they consider the standard cost of treatment in your city.
Suppose you undergo a knee replacement in a metro city. The hospital charges ₹4 lakh, but based on the data available, the insurer considers ₹2.5 lakh to be the reasonable cost for that procedure. In that case, your claim may be settled only for ₹2.5 lakh, leaving you to pay the remaining ₹1.5 lakh yourself.
Unlike disease wise sub-limits, this clause applies even if your policy has no sub-limits and your sum insured is more than enough. It helps insurers ensure that claim payouts align with the prevailing cost of treatment in a particular city or region.
As a result, it becomes especially important if you seek treatment at high-end or metro-city hospitals, where medical costs often exceed the insurer's benchmark. That's why it's worth checking how your insurer defines "reasonable and customary charges" and whether the clause is clearly explained in the policy wording.
One important exception is when additional treatment becomes medically necessary because of complications during surgery. If the extra expenses are medically justified, the insurer cannot rely on this clause to deny that portion of the claim.
This clause mainly affects reimbursement claims. If you opt for cashless treatment at a network hospital, insurers generally have pre-determined rates for treatments, so it usually doesn't become an issue.
How to Choose a Plan Without Sub-Limits?
If you're comparing health insurance policies, here are a few things to keep in mind before making a decision:
- Review the Policy Documents: Always check the policy brochure and terms for sub-limit clauses related to diseases and treatments.
- Prioritize Comprehensive Coverage: If your budget allows, choose a policy without disease wise sub-limits.
- Check for Flexible Coverage Options: Some insurers allow you to remove disease-wise sub-limits by paying a slightly higher premium.
- Look Beyond Disease Wise Sub-Limits: Room rent limits and the Reasonable and Customary Charges clause are other common health insurance sub-limits that can also affect your claim payout.
Some health insurance plans that do not have disease wise sub-limits include HDFC ERGO Optima Secure+, Care Supreme, and Aditya Birla Activ One MAX. However, don't base your decision on this feature alone. Compare the overall coverage, waiting periods, exclusions, and other policy terms before choosing a plan.
Why Choose Ditto for Health Insurance?
At Ditto, we’ve assisted over 8,00,000 customers with choosing the right insurance policy. Why customers like Pallavi below love us:
- No-Spam & No Salesmen
- Rated 4.9/5 on Google Reviews by 25,000+ happy customers
- Backed by Zerodha
- Dedicated Claim Support Team
- 100% Free Consultation
Confused about the right insurance? Speak to Ditto’s certified advisors for free, unbiased guidance. Book your call now or chat with our advisors on WhatsApp.
Conclusion
Disease wise sub-limits can reduce your claim payout even when your sum insured appears more than sufficient. They're just one of several sub-limits in health insurance, alongside room rent limits and the Reasonable and Customary Charges clause, and together, the gap between what you expect your insurer to pay and what they actually pay can be significant.
Bottom Line: At Ditto, we do not recommend plans with disease wise sub-limits. For most people, especially those covering family members or anyone with a history of the commonly sub-limited conditions, the out-of-pocket risk outweighs the premium savings. A lower premium that leaves you paying ₹50,000 or more out of pocket at the time of a claim is not a bargain.
If you want a comprehensive plan backed by insurers with a strong claims track record, the best health insurance plans in India offer options worth considering. And before you finalize anything, it's worth running the plan through our health insurance checklist to make sure you're not missing any other red flags like this one.
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