Written by Mariyam Sara
Published on April 07, 2026 | 4 min read
Utmost good faith is a fundamental legal principle requiring both the insurer and the insured to disclose all material facts before entering into an insurance policy. In health insurance, the candidate is responsible for providing an accurate and honest account of their current health and for disclosing any pre-existing conditions to ensure complete transparency.
Let’s understand health disclosures in health insurance and their relevance.
In health insurance, health disclosure refers to the honest and complete communication of all material facts regarding your current health to the insurer before signing the policy document. Before drafting the policy, you must inform the insurer of pre-existing diseases or conditions to maintain transparency.
The following is the information you must disclose to your insurer.
Inform your insurer about major and minor past treatments, surgeries, or other medical procedures to ensure accurate risk assessment and appropriate coverage.
Disclose any unhealthy habits you have, such as smoking or drinking alcohol, that could potentially increase the risk of critical illnesses like cancer or tuberculosis.
As defined by the Insurance Regulatory and Development Authority of India (IRDAI),a pre-existing disease is any condition, ailment, injury, or disease that was diagnosed or for which treatment was received within 48 months before the effective date of policy issuance or reinstatement by the insurer.
Provide important details of your family’s medical history to help the insurer assess the potential risk of genetic or hereditary diseases such as diabetes.
Disclosing pre-existing diseases while buying health insurance is crucial to ensure claim approval, maintain continuous coverage, and avoid any potential legal penalties. Honest disclosure of your health helps the insurer categorise applicants as per risk profile to determine premium, waiting period, and ideal coverage.
When filling out the proposal form, provide complete and accurate details of your health history and include all necessary information about past diagnoses, treatments, and any ongoing medications. Honest disclosure of pre-existing diseases ensures transparency, legal compliance, and smooth claim settlements. The insurer may also ask you to undergo a medical exam to assess your health and coverage requirements accurately.
Failure to disclose pre-existing diseases can lead to serious consequences. If insurers discover intentional un disclosure of pre-existing diseases during the claim investigation, your claim would most likely be rejected. Hiding pre-existing conditions is considered a breach of trust and may result in policy cancellation, rendering the policy void.
Non-disclosure could attract allegations of fraud, resulting in hefty legal penalties.
When choosing a health insurance plan, look for a policy with a shorter waiting period and better coverage for your pre-existing diseases. Check the premium, coverage limits, and the need for add-ons before finalising the policy.
Assess the insurer’s Claim Settlement Ratio (CSR) and network hospitals to ensure smooth and hassle-free claim settlements.
Pre-existing diseases are medical conditions, diseases, ailments, and injuries diagnosed or for which treatments were received within the 48 months before the effective date of the policy.
Yes, you have to disclose all illnesses, whether minor or major, to ensure complete transparency and get the right coverage aligned with your health requirements.
Failing to disclose pre-existing diseases is considered a breach of trust and may lead to policy cancellation or claim rejections. However, you can request policy modification or cancellation with the free look period (i.e 15 days) to correct the medical details.
Yes, pre-existing diseases could increase your premium through loading, where the insurer charges a higher loading rate to cover higher risks. Though this increases your premium payments, disclosure of pre-existing diseases is crucial to avoid policy cancellation, claim rejections and legal consequences.
About Author
Mariyam Sara
Sub-Editor
holds an MBA in Finance and is a true Finance Fanatic. She writes extensively on all things finance whether it’s stock trading, personal finance, or insurance, chances are she’s covered it. When she’s not writing, she’s busy pursuing NISM certifications, experimenting with new baking recipes.
Read more from MariyamUpstox is a leading Indian financial services company that offers online trading and investment services in stocks, commodities, currencies, mutual funds, and more. Founded in 2009 and headquartered in Mumbai, Upstox is backed by prominent investors including Ratan Tata, Tiger Global, and Kalaari Capital. It operates under RKSV Securities and is registered with SEBI, NSE, BSE, and other regulatory bodies, ensuring secure and compliant trading experiences.
Health Insurance
Pre-Existing Diseases in Health Insurance Policy5 min read | Written by Mariyam Sara
Health Insurance
The Importance of Having Health Insurance in Today’s World3 min read | Written by Dev Sethia
Health Insurance
Is Health Insurance Worth the Investment? A Complete Guide3 min read | Written by Dev Sethia
Health Insurance
How to Choose the Right Health Insurance Plan: A Complete Guide4 min read | Written by Mariyam Sara
Health Insurance
What Are Daycare Procedures in Health Insurance?2 min read | Written by Mariyam Sara
Health Insurance
Importance of Lifetime Renewability in Health Insurance2 min read | Written by Mariyam Sara