Buying Health Insurance with a Chronic Illness or Disability

Private medical insurance (PMI) was designed primarily to cover new, acute conditions; things that arise after the policy starts and respond to treatment. People with chronic illnesses, long-term disabilities or significant medical histories often assume PMI is closed off to them. It usually isn’t, but the cover is structured differently and worth understanding before you buy.

This guide covers what is and isn’t possible, the underwriting routes, and how to think about whether PMI is worth it in your situation.

The two distinctions that matter

UK PMI distinguishes between:

• Pre-existing conditions; anything you’ve had symptoms of, treatment for, or medical advice on before the policy started. Usually excluded.
• Chronic conditions; conditions that are long-lasting, not curable, and require ongoing management (e.g. type 1 diabetes, MS, ongoing heart disease, asthma). Usually excluded as a category, even if they arise after the policy starts.

Acute conditions; those that respond to treatment and resolve; are the bread and butter of PMI claims, regardless of any chronic history you have alongside.

What you can usually still get covered

Even with a complex medical history, PMI can cover:

• New, unrelated acute conditions arising after the policy starts (the orthopaedic injury, the suspected cancer, the ENT issue)
• Diagnostics for symptoms that turn out not to be related to your chronic condition
• Mental health (subject to insurer rules on whether your prior mental health is excluded)
• Surgery and inpatient care for new conditions

So while your existing condition itself isn’t covered, the rest of your medical life still is. For many buyers this is the deciding factor.

The two underwriting routes

Insurers offer two main ways to handle medical history at application:

Full Medical Underwriting (FMU). You complete a medical questionnaire, the insurer (sometimes after asking your GP) gives you written confirmation of exactly what’s excluded. Permanent clarity, no surprises later. Particularly useful if you have a complex history; you know on day one what the policy will and won’t pay for.

Moratorium. No questionnaire upfront. Anything you’ve had symptoms, treatment, advice or medication for in the last five years is automatically excluded for the first two years of cover. After two clear years (no symptoms, treatment or advice), the exclusion lifts. Lower friction at application but uncertainty until you claim.

Which suits you better?

• Multiple existing conditions that you know are excluded anyway → FMU gives certainty
• Mild conditions you’d like the chance to “outrun” → Moratorium can lift exclusions over time
• Conditions that have been stable and untreated for many years → either could work; FMU often wins on certainty

The chronic-condition exclusion

Even after a condition is accepted at underwriting, PMI policies generally exclude treatment that crosses into “chronic management” long-term, ongoing care to manage rather than cure a condition. This is in the policy wording, not the underwriting decision, and it applies to all UK PMI.

Practical example: a new cancer diagnosis is covered, including treatment to remission. Long-term monitoring after remission may be partially covered or excluded, depending on insurer. A new heart attack is covered; long-term medication management afterwards typically isn’t.

This is why PMI doesn’t replace the NHS for managing chronic disease; that’s where the NHS continues to be essential.

Mental health history

Mental health is treated like other pre-existing conditions for underwriting. If you’ve been treated for depression, anxiety or other mental health issues in recent years:

• Under FMU, declared and assessed; often excluded for a defined period or permanently
• Under Moratorium, automatically excluded if active in the last 5 years; can lift after 2 clear years

Modern policies are increasingly thoughtful about mental health, and some insurers will reconsider mental health exclusions after specific clear periods.

Disability and PMI

A physical disability isn’t itself a barrier to private health insurance. The relevant questions for the insurer are:

• What’s the underlying condition causing the disability?
• Is it stable and ongoing (chronic, usually excluded) or has it resolved?
• Does it affect risk of related future conditions?

Mobility-related disabilities, congenital conditions and conditions arising from past surgery are all underwritable. The cover available will exclude the disability itself and anything closely related, but new unrelated conditions remain insurable.

Group cover changes the picture

If your employer offers PMI on a Medical History Disregarded (MHD) basis, that’s the single best route for someone with chronic conditions or a disability. MHD means the policy ignores your medical history at start; chronic conditions are still excluded as a category, but pre-existing conditions are not. For people who’ve been priced out or excluded under individual cover, group cover is often a step-change in what’s available.

Cost considerations

PMI for someone with a complex history isn’t priced higher per se; premium is driven by age, postcode, cover level and underwriting type, not directly by your conditions. What changes is the value: if a lot of what you’d want covered is excluded, the policy is doing less work for the same money.

This is worth being clear-eyed about. A whole-of-market broker can model exactly what a policy would and wouldn’t cover for you, so you can decide if the remaining cover justifies the premium.

Self-pay as a complement

Many people with complex medical histories combine modest PMI cover with selective self-pay. The PMI provides safety net cover for new acute issues; self-pay handles routine care related to the existing condition where private speed matters. It’s not the most elegant arrangement, but it works.

Frequently asked questions

Can I get private health insurance with diabetes? Yes; diabetes is excluded as a chronic condition, but cover for unrelated new conditions remains available. Both type 1 and type 2 are insurable on this basis.

Can I get private health insurance after cancer? Yes, usually. Recent cancer (within the last five years) is normally excluded, but new unrelated conditions are covered. Some insurers re-rate or accept after longer remission periods.

Will I be turned down for PMI? Almost never. UK PMI rarely declines applications outright; instead, exclusions are applied. The question is what’s left, not whether you can buy at all.

Is it worth buying PMI if my main condition is excluded? Often yes; most claims people make are for unrelated conditions arising over time. But this is a personal calculation. Ask a broker to map exactly what would and wouldn’t be covered before you commit.

Does PMI cover ongoing therapy or rehabilitation? Acute rehab after a covered procedure usually yes. Long-term, ongoing therapy for chronic conditions usually no; it falls into the chronic-management exclusion.

If you have a complex medical history and want an honest assessment of what cover is genuinely available, call 0800 131 0400 or email info@insuredhealth.co.uk.