Pet Insurance & Pre-Existing Conditions: What's Covered?

By Sarah Bennett, Certified Animal Nutritionist | ForPetsHealthcare.com

What Is a Pre-Existing Condition in Pet Insurance?

A pre-existing condition is any illness, injury, or symptom that your pet showed signs of before your insurance policy began — or during any waiting period at the start of the policy. The definition varies slightly by insurer, but the core principle is consistent: if the condition existed before cover started, the insurer won't pay for it.

This applies even if the condition wasn't formally diagnosed before your policy start date. If your vet notes in the clinical record that your dog was limping two months before you took out insurance, a subsequent diagnosis of hip dysplasia related to that limp is likely to be excluded — even if you had no idea what was causing the limp at the time.

This is why timing matters enormously when it comes to pet insurance. Insuring a young, healthy pet before any veterinary history accumulates gives you the broadest possible coverage.

Types of Pre-Existing Condition Exclusions

Not all pre-existing conditions are treated the same way. Insurers typically divide them into two categories:

Permanent exclusions are conditions that the insurer will never cover, regardless of how much time passes or how well the pet recovers. Chronic conditions like diabetes, epilepsy, allergies, heart disease, and most orthopaedic conditions (such as hip dysplasia or cruciate ligament disease) are almost always permanently excluded once they've appeared in the vet record.

Temporary exclusions apply to conditions that could potentially be removed from the exclusion list after a specified period — typically 12–24 months — if the pet shows no symptoms and requires no treatment during that time. Some minor conditions, like a resolved ear infection or a one-off digestive upset, may qualify for removal after a clean period.

The distinction matters if you're switching insurers or taking out a new policy on an older pet. Always ask whether exclusions can be reviewed over time, and get the answer in writing.

What Counts as "Before the Policy Began"?

The cut-off point isn't always as clear-cut as policy start date. Most policies include waiting periods — typically 14 days for illness and 48 hours for accidents — during which conditions that arise are still treated as pre-existing. This protects insurers against owners taking out cover when their pet is already visibly unwell.

Beyond waiting periods, the definition of "pre-existing" typically encompasses:

• Any condition noted or treated by a vet before policy start
• Any symptoms that a vet could reasonably have recognised as indicating a developing condition
• Congenital conditions (present from birth) in some policies, even if not diagnosed until after cover began
• Hereditary conditions in breeds known to be predisposed, depending on policy wording

The hereditary and congenital exclusion point is particularly important. Some budget insurers exclude all hereditary conditions for certain breeds — meaning a Labrador's hip dysplasia or a Cavalier's heart condition could be automatically excluded, regardless of whether the individual dog has shown any symptoms.

How Insurers Find Out About Pre-Existing Conditions

When you make a claim, your insurer will almost always request your pet's full veterinary clinical history from your vet. Vets are required to provide this, and the records typically go back years. Insurers have claims teams whose job is to identify connections between claimed conditions and any prior veterinary history.

This is why it's critical never to misrepresent your pet's health history on an application. Non-disclosure — even unintentional — can invalidate your entire policy, not just the specific claim in question. If you're unsure whether something in your pet's history counts as a pre-existing condition, call the insurer before purchasing and ask them directly. Get their answer in writing or via email.

Can You Get Insurance for a Pet With Pre-Existing Conditions?

Yes — but with caveats. Most standard insurers will still offer you a policy for a pet with pre-existing conditions; they simply won't cover those specific conditions. The rest of the policy — accidents and illnesses unrelated to the excluded conditions — remains in force. This can still provide valuable protection against unrelated emergencies.

A small number of specialist insurers and schemes offer cover that includes some pre-existing conditions, but these are rare, expensive, and often limited in what they'll actually pay out. If your pet has a serious chronic condition, the premiums for any meaningful cover may not be cost-effective.

Alternatives worth considering for pets with chronic pre-existing conditions include:

• Taking out a policy that covers everything else and self-funding the known condition
• Asking your vet about a practice health plan for routine and ongoing care costs
• Building a dedicated savings fund specifically for the known condition's ongoing management

Switching Insurers With a Pet That Has Existing Conditions

This is where many owners come unstuck. If your pet developed a condition while covered by insurer A, and you switch to insurer B, insurer B will treat that condition as pre-existing and exclude it. Switching to save money on premiums can therefore result in losing cover for the exact condition you're most likely to need to claim for.

If your pet has any ongoing or recurring conditions, think very carefully before switching insurers. The saving on premiums is rarely worth losing cover for a condition that may cost thousands per year to manage. This is particularly relevant for chronic conditions like inflammatory bowel disease, allergies, or orthopaedic problems.

Some insurers offer a "continuous cover" or "no claims penalties" provision that makes switching easier, but these are not standard. Read the policy documents carefully and call the new insurer to confirm in writing how they will treat your pet's existing conditions before cancelling your current policy.

Tips for Maximising Your Cover

The most effective strategies for dealing with pre-existing condition exclusions:

• Insure early. Get cover as soon as possible after bringing a new pet home — ideally within the first few weeks, before any vet visits create a medical history.
• Choose lifetime cover. Lifetime policies renew the annual limit each year, meaning conditions that develop while insured continue to be covered indefinitely. This is far more valuable than time-limited or maximum-benefit plans when a chronic condition develops.
• Don't cancel existing cover without careful comparison. Once a condition is on record, switching policies almost always makes things worse.
• Declare everything honestly. Non-disclosure can void your entire policy. If in doubt, ask your insurer to confirm in writing how they'll treat specific historical conditions.
• Review exclusion lists annually. Ask your insurer whether any exclusions on your policy can be reviewed in light of your pet being symptom-free for a sustained period.

Written by Sarah Bennett, Certified Animal Nutritionist | ForPetsHealthcare.com