Health Policy Deductible, Co-Pay and Sub-Limit Applied Together: Claim Calculation Guide
By Ravi Sisodia · Reviewed by CA Divyanshu Sengar · Updated 5 October 2026
2-minute summary
- Deductible, co-pay and sub-limit are different claim mechanics and the order of calculation can materially change the payable amount.
- Never accept a single “policy deduction” figure where three separate contractual limits may be operating.
- Use the exact product wording and customer information sheet, not a generic insurance formula.
Current position
IRDAI requires policy terms and customer-facing disclosures to state key coverage limits. A deductible generally sets an amount the insured bears before/within coverage, co-pay allocates a percentage of admissible claim to the policyholder, and a sub-limit caps specified treatment/expense. The exact sequencing must be read from the policy rather than assumed.
Control and evidence map
| # | Control / evidence requirement | |
|---|---|---|
| 1 | Identify the gross hospital bill and remove only genuinely non-admissible items first. | |
| 2 | Apply the specific sub-limit to the relevant treatment or expense head, not to unrelated bill items. | |
| 3 | Locate the deductible definition and determine whether it is per claim, aggregate or product-specific. | |
| 4 | Apply co-pay only to the base specified by the contract and show the arithmetic. | |
| 5 | Reconcile the calculated payable amount to the insurer settlement sheet and raise any sequencing difference. | |
Worked example
Suppose an admissible surgery bill is Rs 3 lakh, a procedure sub-limit is Rs 2.4 lakh, the policy has a Rs 20,000 deductible and a 10% co-pay. The result depends on the policy’s specified sequence. Finance-style review means showing each bridge rather than multiplying all three limits against the gross bill without reading the contract.
Common mistakes
- Calling a co-pay a deductible.
- Applying a treatment sub-limit to the entire hospital bill.
- Using internet examples instead of the insured product wording.
- Ignoring whether a deductible is annual, per claim or tied to a top-up layer.
Frequently asked questions
Are deductible and co-pay the same?
No.
Can a sub-limit and co-pay both apply?
Yes if the policy validly provides for both.
Is there one universal order?
No. The policy wording controls.
What should a claim calculation file contain?
Gross bill, admissibility bridge, each contractual limit and the insurer settlement comparison.
Official sources
- Insurance Regulatory and Development Authority of India - Master Circular on Health Insurance Business - 29 May 2024 (IRDAI/HLT/CIR/PRO/84/5/2024; 2024-05-29)
- Insurance Regulatory and Development Authority of India - Protection of Policyholder Interests, Operations and Allied Matters Regulations, 2024 (IRDAI/Reg/11/205/2024; 2024-04-01)
Disclaimer
Educational and professional reference only; confirm the current law, rates and the facts of your case before relying on this page.