10 Serious Diseases That Affect Health Insurance Coverage

10 Serious Diseases That Affect Health Insurance Coverage
In the world of health insurance, “critical illnesses” represent a major turning point for both policyholders and insurers. Once diagnosed with a critical illness, it may affect premiums, coverage terms, or receive special exclusions. Here are 10 key illnesses often classified as critical that policyholders should know about:
1. Invasive Cancer
2. Acute Heart Attack
3. Major Stroke
4. Chronic Kidney Failure
5. Severe Chronic Obstructive Pulmonary Disease (End-stage Lung Disease)
6. Chronic Liver Disease / End-stage Liver Failure
7. Coronary Artery By-pass Surgery
8. Alzheimer’s Disease
9. Parkinson’s Disease
10. Coma / Loss of Independent Living
Why do these diseases affect health insurance?
๐ Insurers often categorise them as “special conditions” or “high-risk illnesses,” which may lead to higher premiums, waiting periods, or exclusions.
๐ A diagnosis of a critical illness can impact how claims are handled in future or whether you qualify for certain benefits.
๐ Choosing a health insurance plan should include considering the risk of critical illnesses aligned with your lifestyle, age and health history.
Tips for policy-holders:
๐ Review your policy’s list of exclusions and waiting periods carefully.
๐ Choose coverage that includes protection for critical illnesses or offers diagnosis & treatment support for these conditions.
๐ Ensure clarity on premium amounts, coverage limits, terms and conditions before committing.
Source : Phitsanuvej Phichit Hospital
Independent Writer
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