The insurer approves a hospital claim, but the settlement sheet says “co-pay 20%” and leaves your family to pay ₹32,000. It is easy to feel that the insurer has cut a valid claim without explaining why—especially when the hospital had described the admission as cashless. The important questions are: what co-payment clause applies to this patient and treatment, which amount was used to calculate it, and was the deduction actually authorised by the policy?
A co-payment is not automatically a wrongful deduction. Some policies genuinely require the insured person to share 10%, 20%, 30% or another specified portion of an admissible claim. But an insurer should be able to point to the applicable wording and show the calculation. If the percentage, trigger, base amount or sequence of deductions is wrong, there may be a focused claim to reconsider.
This guide deals with private and employer/group health-insurance claim settlements in India. It is not about Ayushman Bharat PM-JAY benefits, and it does not suggest that every senior citizen must pay a fixed co-pay.
Written by: Tatkal Claims, Claims Review Team
Reviewed by: Ankit L Kanoi, Founder
What Does Co-Payment Mean in a Health Insurance Claim?
IRDAI's health-insurance guidance describes co-payment as an amount or percentage of the admissible claim that the insured bears. In its published explanation of the standard percentage formulation, IRDAI describes co-pay as the policyholder's specified share of the admissible claim amount and notes that co-payment does not itself reduce the sum insured. Do not confuse a co-payment with a rejection of the entire treatment claim.
“Admissible” is critical. The insurer may first treat some billed expenses as outside cover because of exclusions, non-payable items or a limit. A percentage co-payment is generally calculated on the amount to which the particular policy clause says it applies—not necessarily on the hospital's gross bill. The actual order of adjustments must be checked in that policy's settlement provisions.
10%, 20% or 30% Co-Pay: Calculate the Deduction Before You Appeal
Consider an illustrative ₹2,00,000 hospital bill. The insurer's itemised assessment disallows ₹30,000 under separate, assumed policy grounds, leaving ₹1,70,000 as the admissible amount before co-pay. Suppose a single co-pay applies to this ₹1,70,000 and there are no other applicable limits, deductibles or adjustments:
| Contractual co-pay | Insured share of ₹1,70,000 | Illustrative insurer share | Patient's total burden including ₹30,000 disallowed |
| 10% | ₹17,000 | ₹1,53,000 | ₹47,000 |
| 20% | ₹34,000 | ₹1,36,000 | ₹64,000 |
| 30% | ₹51,000 | ₹1,19,000 | ₹81,000 |
This example is a calculation aid, not a conclusion that the initial ₹30,000 exclusion is valid. That amount is a separate question. If the insurer cannot identify why it disallowed those expenses, challenge that first; correcting the admissible base may also change the co-pay amount.
As a second hypothetical example, suppose an assessment sheet shows an admissible claim of ₹1,60,000 but records a 20% co-payment of ₹40,000. Twenty per cent of ₹1,60,000 is ₹32,000, leaving an ₹8,000 difference to explain. There might be another contractual base or charge, but the insurer should show it rather than relying on the bare label “20% co-pay”.
Co-Pay Is Not the Same as a Deductible or a Disease Sub-Limit
| Deduction | How it generally works | What to verify |
| Co-payment | Patient bears the contractual percentage/share of the defined admissible amount | Rate, trigger, calculation base and whether it applies to this member |
| Deductible | A specified amount must be borne before the insurer's payment obligation starts under the clause | Per-claim versus annual basis and sequence with co-pay |
| Disease/procedure sub-limit | Insurer's liability is capped for a specified condition, treatment or benefit | Specific limit, benefit definition and whether it applies |
| Room-rent proportionate deduction | Certain associated charges may be reduced when an ineligible room is chosen, where policy wording permits | Room entitlement, covered charges and formula |
| Non-payable or excluded items | Particular billed items are left out of the admissible claim | Item-by-item reason, package terms and any add-on |
For instance, the same settlement may contain a ₹10,000 deductible, an admissible balance and a co-pay percentage. It is unsafe to assume that every policy calculates these in the same order. Ask for the clause controlling sequence and compare the insurer's steps against it. Co-pay should not be presented as another name for room-rent proportionate deduction.
If your settlement includes several deductions rather than just co-payment, start with our health-insurance short-settlement audit to separate them before filing a grievance.
When Can a 10%, 20% or 30% Co-Pay Clause Apply?
A percentage printed somewhere in a brochure is not enough. Read the issued policy schedule, relevant product wording, endorsements and any group certificate for the cover that existed when treatment occurred. The clause may apply to every admissible claim, or only in a defined situation. For example, some policies are structured around a voluntary co-pay option, the age at entry or age band, a particular treatment, a hospital/network condition, or a geographic/zone condition. These are possible policy designs, not standard triggers imposed on all insurers.
Check the actual trigger, not just the percentage
Ask whether the clause applies to: (a) this insured family member rather than everyone under a floater; (b) the treatment and date of admission; (c) a specified hospital category, non-network setting or location if stated; and (d) any add-on or endorsement that changes the share. If none of the stated conditions is met, the insurer should explain why it applied the co-pay.
Voluntary versus compulsory co-pay
Some policies may offer a lower premium in exchange for the customer agreeing to share part of a future claim; other policies may build co-pay into a specific benefit or eligibility category. Neither description settles a dispute without the actual proposal, schedule and applicable wording. Do not infer that an opt-in benefit exists simply because another insurer offers it.
Senior Citizen Co-Payment: What Can Be Challenged?
A family may discover a co-pay only after a parent aged 68 or 75 undergoes surgery. This is precisely when it matters to distinguish a policy-specific senior-citizen clause from an assumed age penalty. There is no basis in the IRDAI health-insurance FAQs for saying that every senior citizen must pay 20% or 30%, or that senior citizens are universally exempt from a co-pay. The contractual wording, policy schedule and any special terms govern the calculation, subject to applicable regulation.
Compare the insured person's age at policy entry, relevant age thresholds, the renewal schedule, and the version of the policy that was issued for the claim period. For an employer or group policy, also check the member's certificate and the master policy's applicable terms. A policyholder who first learns of a purported new clause after renewal should request the notice, endorsement, CIS and insurer's explanation of how the term became applicable. Whether a disputed change is enforceable requires examining the actual documents; it cannot be decided from the age alone.
IRDAI's current health FAQs also say insurers must maintain a separate channel for health claims and grievances of senior citizens. Ask the insurer to identify its senior-citizen support route if ordinary claim support is not resolving the question. That channel is a complaint-handling protection, not an automatic waiver of a valid co-payment.
Five Co-Pay Deductions Worth Checking Carefully
1. The co-pay percentage does not match your policy schedule
Your schedule says 10%, but the insurer applies 20%. Compare product name, plan variant, applicable insured member and any later endorsement. A call-centre explanation that “all senior claims carry 20%” is not a substitute for a matching clause.
2. A conditional co-pay is applied even though the condition may not be met
A policy may prescribe different terms depending on hospital choice, treatment or geographical zone. If the deduction relies on one such trigger, ask the insurer to name it and produce the record it used. A cashless network hospital does not automatically exempt every policy from co-pay, just as a non-network hospital does not automatically create a universal co-pay.
3. The insurer's arithmetic or claim base is unclear
Request the amount assessed as admissible before co-payment, the rate used, the amount withheld and the other deductions applied. If the same charge appears twice, or the calculations do not reconcile, raise the exact rupee discrepancy.
4. Co-pay appears alongside other restrictions without an explained sequence
Where a deductible, disease cap, non-payable expense or room restriction also exists, the final patient share can be larger than the percentage shown. This is not automatically double deduction: the policy may permit more than one kind of adjustment. The challenge is whether each adjustment and its sequence are supported by the relevant clauses, without duplicating the same amount.
5. A waiver, add-on or endorsement appears to have been missed
Some product designs have optional coverage features that may modify the insured share. Check the exact rider/add-on schedule and effective date, not a marketing summary. If the insurer disregarded a benefit that was actually in force, ask for re-assessment under that wording.
If the larger dispute concerns room-category restrictions, use our room-rent and proportionate-deduction guide; a co-pay calculation cannot replace the analysis required for a room-rent deduction.
For separate hospital charges reduced as “reasonable and customary”, read the reasonable-and-customary-charges guide. Those are not automatically a co-payment.
What If the Hospital Collected the Co-Pay at Cashless Discharge?
At a cashless discharge, the hospital may collect the insured's contractual share and other non-payable amounts. The phrase “cashless approved” does not necessarily mean the patient's share must be zero. But the final demand should reconcile with the insurer's authorisation/settlement sheet and the hospital bill. Ask the hospital to identify amounts collected as co-pay, non-payables, deposits or separate services and obtain receipts.
If the hospital collected a deposit before final approval and then also collected the full co-pay, ask how the deposit was adjusted or refunded. This is a different problem from disputing whether the co-pay clause itself applies.
If your insurer has approved cashless care but the hospital still demands an unexplained payment, see our cashless approval and hospital deposit guide for the separate billing and authorisation questions.
What Evidence Actually Helps in a Co-Pay Appeal?
Start with five records: the full policy wording applicable on the admission date; policy schedule and endorsements; Customer Information Sheet (CIS); itemised hospital bill; and the final insurer/TPA claim-assessment or cashless settlement sheet. Add the proposal or renewal communication if your challenge concerns consent, disclosure or a newly applied age clause.
A clear reconciliation is more useful than a long complaint. Write out: gross bill → line items disallowed → admissible amount → deductible or sub-limit applied (if any) → amount subjected to co-pay → percentage and rupees deducted → insurer's payment → amount collected from you. Label any step the insurer has not explained. If the figures cannot be reconstructed, request a revised breakup and the policy clause for each adjustment.
Do not mix co-pay with consumables by default. If the settlement also excludes medical disposables or other items, check our non-medical and consumables deduction guide separately.
How to Ask the Insurer to Reconsider a Co-Payment Deduction
Write to the insurer's claims team or Grievance Redressal Officer with the claim number and settlement reference. Identify the exact clause you say was misapplied, include the admission date and insured person's age or member details only if relevant, show your alternative calculation, and attach the policy schedule and assessment sheet. Request a written, line-item recalculation and reimbursement of the specific excess deducted, if established.
A focused request might read: “The settlement sheet applies 20% co-payment of ₹34,000. My policy schedule shows 10% co-payment for this member and the stated admissible amount is ₹1,70,000. Please identify the clause and endorsement authorising 20%, confirm the calculation base and reassess the ₹17,000 difference.” Alter these figures and facts for the actual file; this is an illustration, not a claim template promising payment.
If the insurer points to a valid policy clause and provides a consistent assessment, a grievance may not reverse the deduction merely because the out-of-pocket payment is substantial. Conversely, where the wording, trigger or arithmetic does not support the amount charged, the documentary mismatch is the dispute to press.
Escalation: Insurer Grievance, Bima Bharosa and Insurance Ombudsman
Begin with a written grievance to the insurer and preserve its complaint acknowledgement and reply. Bima Bharosa is IRDAI's grievance registration and tracking platform; it is not an automatic claims-payment order. The Bima Bharosa website currently says registered complaints will be attended to within 14 days, while some other IRDAI grievance materials show earlier or different timelines. Keep the insurer's current communicated service standards and actual response dates; do not confuse a regulatory grievance response period with the Insurance Ombudsman's separate complaint prerequisite.
The Council for Insurance Ombudsmen's current published procedure says complain to the insurer/broker first; if the result is unsatisfactory or there is no response within 30 days, eligible matters may be taken to the Ombudsman. The stated monetary ceiling is ₹50 lakh including claim value and expenses, and the procedure refers to a one-year filing window linked to rejection, repudiation or partial settlement, subject to applicable rules and circumstances. Check jurisdiction and avoid parallel proceedings on the same subject without advice.
For the procedural difference, compare our Bima Bharosa versus Insurance Ombudsman explainer before selecting a route.
When TatkalClaims Can Help With a Co-Pay Dispute
A large deduction is stressful, especially when a parent has just left hospital and the insurer's settlement sheet uses unexplained codes. Tatkal Claims can review the issued policy, age-related terms, renewal documents, hospital bill and settlement calculation to identify whether the right clause and rate were used. We can help organise a point-by-point reconsideration or grievance when the record supports one; we cannot guarantee a reversal of a contractually valid co-pay.
For an initial review, call +91 7207382073 or email help@tatkalclaims.com. Send the policy schedule, relevant wording, settlement sheet, claim number, hospital bill and existing insurer response. Mask Aadhaar and other unnecessary sensitive identifiers before sharing informal copies.
Frequently asked questions
Is a 20% co-payment in health insurance illegal?
Not by itself. A 20% co-payment can be a valid policy cost-sharing term. Check whether it was part of the applicable issued policy and whether the insurer applied the correct trigger, rate and admissible-claim base. An unsupported or incorrectly calculated 20% deduction is a different matter.
Does IRDAI require every senior citizen to pay 20% or 30% co-pay?
No universal senior-citizen co-payment percentage is established by the IRDAI health FAQs reviewed for this article. The actual issued policy's terms and any applicable endorsement must be checked; nor is there a blanket exemption established by age alone.
Is co-pay calculated on the total hospital bill?
Not automatically. In the standard percentage formulation it relates to the admissible claim amount, subject to the actual policy wording and adjustment order. Request the insurer's step-by-step assessment rather than multiplying the headline hospital bill by the rate.
Does co-payment reduce my sum insured?
IRDAI's published explanation of percentage co-payment says it does not itself reduce the sum insured. How the insurer accounts for claim payouts against remaining cover must still be checked against the policy and settlement record.
Can an insurer deduct co-pay and a deductible on the same claim?
A policy may provide both, but the contractual calculation order and scope matter. Ask for the individual clauses and a reconciliation showing what each was applied to; do not assume the same order across products.
Does cashless approval mean the insurer cannot collect co-pay?
No. Cashless approval and patient cost-sharing are distinct. A valid co-pay and other legitimate patient-payable items may remain. Ask for the hospital collection receipt and approved settlement breakup if the amount is unclear.
What if my policy schedule says 10% but the settlement shows 30%?
Request the insurer's written reason, clause and any endorsement or special condition that authorises 30%. Attach the policy schedule and calculation and seek reconsideration of the unexplained difference.
Can I challenge a co-pay added after a renewal?
You can ask the insurer to produce the renewal terms, notices, endorsements, CIS and basis for applying the new clause. Whether it can be successfully challenged depends on the actual contract, disclosures and applicable regulatory requirements, not solely on the fact of renewal.
Can I go directly to the Insurance Ombudsman over excess co-pay?
The published Ombudsman procedure requires a prior complaint to the insurer or broker and specifies further eligibility rules and time limits. Check the current ₹50 lakh ceiling, grievance response stage and one-year filing criteria before proceeding.
Sources and Editorial Method
Research checked on 13 October 2026. IRDAI's Health Department FAQ supports the definitions of co-payment, deductible, sub-limit and CIS, as well as the separate senior-citizen grievance channel. The official IRDAI listings of the 2024 Health Insurance Master Circular and policyholder-protection regulations are supplied as primary-reference pathways; no unverified clause or universal co-pay percentage is attributed to them. The issued policy and claim assessment are necessary for an individual decision. Numerical examples are illustrations, not named real cases or insurer product promises. Grievance and Ombudsman procedures were checked against the operating portals.
Disclaimer: General Indian health-insurance information, not personalised legal, financial or medical advice. Co-payment is not uniformly illegal, automatically reversible, or universally compulsory for senior citizens. Coverage, calculation order, notices, grievance eligibility and outcomes depend on the specific issued policy, medical and billing facts, applicable law and the decision-maker. Do not delay necessary medical care while a billing or claim dispute is being resolved.