Health Insurance Underwriting
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FCA Regulated
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Independent Broker
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15+ Years Experience
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UK-Based Advisers
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FCA Regulated
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Independent Broker
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15+ Years Experience
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UK-Based Advisers
Understanding Underwriting & Pre-Existing Conditions
All health insurance policies are underwritten in some way. When applying for health insurance, an insurer will assess a person’s medical history and current health status so they can apply the appropriate underwriting terms to the policy.
As with any insurance policy, in general, health insurance cannot cover you for conditions you currently have or have had in the past. However, some pre-existing conditions can be covered if the condition you have had treatment for is now resolved. This will depend on the status of the condition at the time of applying and the number of years since you have had symptoms, advice, diagnostic tests, or treatment.
Underwriting options
There are several underwriting options you can choose from dependent on your current situation. Some require you to disclose your medical history and others do not.
The main two underwriting options for someone taking out health insurance for the first time are moratorium (MORI) and full medical underwriting (FMU).
If you are switching insurers, you also have the option to choose continued personal medical exclusions underwriting (CPME). A continued moratorium (CMORI) is also available for those switching policies when the existing underwriting is on a moratorium basis.
Medical history disregarded underwriting (MHD) is available when joining a business health insurance policy or switching from one business policy to another. It is also accepted by an insurer when you switch from a business policy to an individual policy.
Moratorium underwriting
Moratorium underwriting (MORI) is the most common form of underwriting if you are taking out health insurance for the first time. You will not need to disclose your medical history when you take out the policy, the insurer will request this at the point of claim when deciding if the condition will be covered.
For the first two years of the policy, you will not be covered for anything you have had symptoms, advice, diagnostics, or treatment for in the five years preceding the policy start date.
If you go two consecutive years without symptoms, advice, diagnostics, or treatment for a previous condition it will then be covered by the policy.
Under a moratorium underwriting the insurer will request medical history from your GP and or consultant at the point of claim to establish if you have had symptoms, advice, diagnostics, or treatment within the five years preceding the start date of the policy.
Moratorium underwriting is good for covering conditions you have had in the past but are unlikely to require further immediate cover for. However, if you will always require advice, medication, or treatment for a condition then a moratorium underwriting will be unlikely to ever cover it.
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Full medical underwriting
Full medical underwriting (FMU) is where you are asked to provide full details of your medical history to the insurance company. This will usually be a full medical questionnaire about any pre-existing conditions and medications you are prescribed. There may be a requirement to provide further information from your GP or consultant. Most pre-existing conditions declared during this process will be excluded from the policy but may be subject to a review in future, should symptoms resolve or treatment end.
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Switching Options
Continuing personal medical exclusions
Continued personal medical exclusions underwriting (CPME) is available to individuals who already have a health Insurance policy and are switching their cover to another insurer. The insurer will not reassess your full medical history, but each insurer has their own criteria for accepting a switch under CPME terms. In general, you will need to disclose your medical history for the twelve months preceding the start of a new policy. In addition, you may be asked questions on specific conditions such as cancer, cardiovascular problems, and joint issues.
If you meet the eligibility criteria, you can transfer your underwriting from your current provider with no new exclusions applied. However, if your current policy already includes an exclusion, this will be carried over to the new policy.
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Continued moratorium
A continued moratorium underwriting (CMORI) is only available when switching to a new insurer when your existing policy is underwritten on a moratorium basis. It means you can keep the effective date of the original policy rather than starting a new moratorium.
If you have been symptom, advice, and treatment free for two years you would not have to start the two-year wait for cover for previous conditions again. Previous conditions would be those you have experienced in the five years preceding your original moratorium start date.
For example, if you take out a continued moratorium one year after the original moratorium, you will only have to be symptom, advice, and treatment free for one further year rather than two years.
Medical history disregarded
Medical history disregarded underwriting (MHD) is typically used for business health insurance policies. It can also be transferred with a policy when leaving a business scheme and taking out an individual health insurance policy.
If you already have business health insurance with an insurer and all members are insured on a medical history disregarded basis, you can choose this option when transferring to a new policy.
This underwriting option is also available for companies who do not have a policy in place already and are looking to insure several employees. Each insurer has their own criteria for minimum employee numbers for this option, but it is usually around 20 insured employees. MHD underwriting covers pre-existing conditions and there are no medical history questionnaires to complete.
The other underwriting options can also be applied to a business health policy. The best option for your business depends on how much information you want your employees to have to disclose and whether you already have a business policy in place.
If you are leaving a company and want to continue your health insurance it is advisable to talk through your options with one of our advisors as the underwriting can be transferred, however sometimes it may not be necessary which would result in cost savings.
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We hope this guide has clarified the complexities of health insurance underwriting. Because each insurer applies different criteria when assessing applications, we recommend speaking with our experts.
Our team is always just a phone call away to answer your questions or review the market on your behalf.
Call us today on 0800 028 5540
Frequently Asked Questions
Moratorium underwriting is a way of taking out health insurance without completing a full medical questionnaire. Instead, anything you’ve had symptoms, treatment or advice for in the 5 years before your policy starts is not covered for the first 2 years. It’s the most common option for people buying cover for the first time.
The word “moratorium” simply means a temporary pause. Your medical history isn’t reviewed when you apply, so the insurer doesn’t write specific exclusions into your policy at the start. Instead, the general rule applies to any condition from the previous 5 years, and the insurer checks whether it applies when you make a claim.
New conditions that start after your policy begins are covered from the outset, within the terms and limits of your policy.
As an illustrative example, if you had physiotherapy for a knee problem 3 years before taking out moratorium health insurance, that knee problem would not be covered for at least the first 2 years. A new, unrelated condition, such as a hernia diagnosed in your first year, would usually be eligible for cover.
A pre-existing condition may become eligible for cover once you’ve gone 2 continuous years after your policy starts without symptoms, treatment or advice for it. If you do need any of these during that time, the 2-year period usually starts again from that point. Each insurer applies its own policy wording.
This is why a moratorium is sometimes described as “rolling”. The clock isn’t fixed to your policy start date. It runs from the last time you had symptoms, treatment or advice for that particular condition.
As an illustrative example, if you see your GP about recurring back pain 18 months into your policy, the 2-year clear period for that back condition would normally restart from that appointment.
Insurers usually treat medication, check-ups, tests and consultations as treatment or advice, and many also include related conditions and undiagnosed symptoms. Definitions vary, so we’ll explain how a particular insurer words its moratorium terms before you choose a policy.
Conditions that have fully resolved and needed no further care are the ones most likely to become covered in time.
Usually not. Private medical insurance is designed for acute conditions that respond to treatment. Generally, chronic conditions are not covered. Some policies may cover the initial diagnosis and treatment of a flare-up, but the ongoing management of a chronic condition is not covered, whichever type of underwriting you choose.
There’s an extra factor with moratorium underwriting. A condition that needs regular medication, monitoring or check-ups will rarely reach 2 continuous years without treatment or advice. That means a pre-existing chronic condition, such as diabetes or high blood pressure managed with medication, is very unlikely to ever pass the moratorium.
This doesn’t mean a moratorium is unsuitable for someone with a long-term condition. It may still provide valuable cover for new, unrelated acute conditions. It simply means that the existing condition will stay outside the cover.
If you have an ongoing condition, it’s worth understanding the difference between acute and chronic before you buy. Our guide to chronic conditions and health insurance explains how insurers usually treat them.
You contact your insurer before treatment starts, usually after a GP referral, and they’ll ask about your symptoms and when they began. Because your history wasn’t reviewed upfront, the insurer may ask your GP or specialist for medical records, with your consent, to check whether the condition falls within the moratorium.
This check is the main practical difference from full medical underwriting. It can mean a claim takes a little longer to authorise, particularly in the first few years of a policy, while the insurer reviews your records.
To make claims run smoothly:
- Contact Your Insurer Before Booking Any Private Treatment
- Be Clear And Accurate About When Symptoms First Started
- Keep Track Of Past Appointments, Referrals And Prescriptions
If the insurer decides a condition is pre-existing, they’ll decline cover for that condition, not for your policy as a whole. Other claims are assessed separately on their own merits.
Many people find it helpful to understand the terms insurers use in claims letters. Our health insurance glossary of common terms explains them in plain English.
It depends on your medical history and how much certainty you want. A moratorium suits people with little recent medical history, or past conditions that have fully resolved. Full medical underwriting may suit you if you’d prefer to know exactly what’s excluded from day 1, or if you have a more complex history.
With full medical underwriting, you complete a health questionnaire and the insurer confirms any exclusions at the start. Some conditions you’d expect to be excluded under a moratorium may be accepted after review, while others may be excluded permanently, subject to any future review the insurer allows.
You must answer the questions honestly and carefully. Under the Consumer Insurance (Disclosure and Representations) Act 2012, consumers must take reasonable care not to misrepresent information to an insurer, and a careless answer could affect a future claim.
The price difference between the 2 options varies by insurer and by your circumstances, so it’s worth comparing both before deciding. If you’re arranging a new private health insurance policy, we’ll talk you through how each option is likely to treat your history. We can’t make medical judgements, but we can explain how insurers typically apply their terms.
Yes. If your current policy uses moratorium underwriting, you may be able to switch on continued moratorium terms. This lets you keep the effective start date of your original policy, so time already built up towards the 2-year clear period isn’t lost. Acceptance depends on each insurer’s switching criteria.
As an illustrative example, if you switch insurers 1 year after your original moratorium began, you would normally need only 1 further clear year for a past condition, rather than starting a new 2-year wait. The 5-year look-back also stays linked to your original start date.
Insurers set their own rules, but they typically look for no consultations in the last 12 months, no ongoing symptoms or treatment and nothing planned. Recent claims can also affect the terms and price a new insurer offers.
Starting a brand new moratorium with a different insurer is also an option, but it would reset the clock on any conditions from the previous 5 years. We check which route protects your position before you cancel your existing cover. You can find out more about how we review or switch an existing policy.
Yes, but it applies to each person individually. On a family or joint policy, each member’s own medical history from the 5 years before joining is assessed separately. One person’s pre-existing condition doesn’t affect what’s covered for anyone else on the same policy.
The clear period also runs separately for each person and each condition. A partner who has had no recent medical care may have very few conditions affected, while another family member could have several conditions sitting within the moratorium at the same time.
Business schemes work a little differently. Smaller company schemes often use moratorium or full medical underwriting, but larger schemes, usually around 20 insured employees or more depending on the insurer, may qualify for medical history disregarded underwriting. This covers pre-existing conditions without any health questionnaires.
If you’re leaving an employer’s scheme, medical history disregarded terms can sometimes be accepted when moving to an individual policy, so it’s worth checking your options before your company cover ends. We explain these options further on our business health insurance page.
We’ll talk through your medical history, your priorities and whether you’re buying for the first time or switching, then explain how each underwriting option is likely to work for you. Our advice is free, and as an FCA-regulated broker we’ll set out the limitations as clearly as the benefits.
Choosing underwriting is one of the most important decisions when buying private medical insurance, because it affects what you can claim for long after your policy starts. It’s often harder to put right later, especially once a condition has developed.
Morehealth Limited is authorised and regulated by the Financial Conduct Authority (FCA), firm reference number 815733. We compare underwriting terms across the leading UK insurers, since each applies its own criteria, and we’ll explain where those differences could matter for you.
When you’re ready, you can request a health insurance quote, call us or message us on WhatsApp.

