Pet Insurance Pre-Existing Conditions Explained: What's Covered, What Isn't
How pet insurance treats pre-existing conditions in 2026 - the regulators' model definition, curable conditions and symptom-free periods, bilateral clauses, and what each insurer publishes.
AI illustration A pre-existing condition is anything your pet showed signs of, was treated for or got veterinary advice about before the policy started - or during its waiting period. Pet insurers normally exclude it. What differs from one insurer to the next is what happens to a condition that was cured: several will cover it again after a set time without symptoms. The practical lesson is the same everywhere: the policy bought while nothing is on the record covers the most.
This is a reading guide to what insurers publish about their plans - not financial or insurance advice. Prices, limits and exclusions change and depend on your pet, where you live and the date; the policy document is what counts. Read the sample policy and get a quote from the insurer before you buy.
Pre-existing conditions are where a lot of disappointment with pet insurance starts: an owner files a first claim and learns that a note in the vet record from before the policy began puts the problem outside it. Knowing the rules before you buy lets you choose an insurer whose rules fit your pet’s history.
Expect the exclusion. If you are searching for a policy that covers a condition your pet already has, the honest answer is that ordinary individual policies do not. What you can find is an insurer that will cover a cured condition again after a symptom-free period, and one that will still cover everything unrelated.
What Counts as Pre-Existing
The clearest definition comes from the insurance regulators’ own template, the NAIC Pet Insurance Model Act. Under it, a pre-existing condition is any condition for which, before the policy’s effective date or during a waiting period, any of these is true:
- a veterinarian provided medical advice;
- the pet received previous treatment; or
- based on information from verifiable sources, the pet had signs or symptoms directly related to the condition being claimed.
Three things follow from that wording.
A diagnosis is not required. Signs or symptoms recorded in the vet notes are enough.
The waiting period counts. Something that appears in the first days of the policy, before cover has started, is treated as pre-existing.
The burden is on the insurer. The Model Act says the insurer has the burden of proving that the exclusion applies to the condition being claimed, and that a condition covered under a policy cannot be treated as pre-existing when that policy renews.
A model act is a template: it applies where a state has adopted it, and states can change it. Your own policy’s definition is the one that binds, so read it - but this is the wording insurers and regulators work from.
Bilateral conditions
Many policies have a clause for problems that occur on both sides of the body - knees, hips, eyes. If one side showed signs before the policy started, the same problem on the other side may be excluded too. Insurers word this differently, and it matters most for cruciate ligament injuries. Ask the insurer to point to the clause.
Curable and Incurable
Insurers that soften the exclusion do it for conditions that can be cured.
Curable means it resolved and stayed resolved: an ear infection, a urinary tract infection, a stomach upset, a healed wound.
Incurable or chronic means it is managed rather than ended: allergies, arthritis, diabetes, kidney disease, most heart disease.
A curable condition can stop counting as pre-existing after a period with no symptoms and no treatment. A chronic one that was present before the policy stays excluded.
The awkward cases sit between the two. A single ear infection is curable; ear infections every summer look like an underlying allergy. How an insurer reads that pattern depends on the vet record, which is one more reason to know what yours says.
What Each Insurer Publishes
Read on the insurers’ own sites on 9 October 2026. Where we did not find a stated rule, we say so rather than guess.
| Insurer | Curable pre-existing conditions | Exceptions it states |
|---|---|---|
| Embrace | Eligible after a year free of symptoms and treatment | - |
| Figo | May be covered if no signs or symptoms within 12 months of treatment | - |
| Spot | Eligible after 180 days free of symptoms and treatment | - |
| ASPCA | No longer pre-existing if curable, cured and symptom- and treatment-free for 180 days | Knee and ligament conditions |
| Pumpkin | Covered if cured and symptom- and treatment-free for 180 days | Knee and hind leg ligament conditions |
| MetLife | Continued cover for previously covered conditions only when switching through an employer group benefit | - |
| Healthy Paws, Lemonade, Trupanion, Pets Best | No curable-condition rule found on the pages we read | Ask the insurer |
Sources: Embrace, Figo, Spot, Pumpkin, MetLife.
Waiting Periods and How They Interact
Because anything that shows up during the waiting period is pre-existing, the length of the wait matters. Published examples: 15 days at Healthy Paws; 14 days for accidents and illnesses at Spot and ASPCA; 2 days for accidents and 14 for illnesses at Lemonade; 5 days for injuries and 30 for illnesses at Trupanion in most states. Orthopedic conditions often have a longer wait - 6 months for cruciate ligament problems at Lemonade, 12 months for hip dysplasia at Healthy Paws for pets enrolled at five or younger.
The NAIC Model Act would limit this: it allows waiting periods of no more than 30 days for illnesses and for orthopedic conditions not caused by an accident, and prohibits waiting periods for accidents. Whether that applies to you depends on your state, so the waiting periods in your own policy documents are the ones to go by.
If Your Pet Already Has a History
1. Get the complete record
Ask every clinic your pet has attended for its full notes, and read them. What matters is not only diagnoses but remarks such as “occasional limp” or “scratching at ears”.
2. Decide whether insurance still makes sense
A policy will not cover what is already there. It will cover unrelated problems that arise later. For a pet with one past issue that is usually still worthwhile. For a pet with several chronic conditions, much of what you are likely to claim for is excluded, and savings may serve you better.
3. If the past problem was cured, choose an insurer with a curable-condition rule
The table above shows who states one, and for how long the pet must be symptom-free.
4. Answer the application truthfully
Insurers can ask for the vet records when you claim. A policy bought on an incomplete answer can fail exactly when you need it.
5. Think hard before switching insurers
A condition that developed under your current policy is covered by it. Under a new insurer’s policy the same condition is pre-existing. Switching to save on the premium can cost you the cover you have built up.
Illustrations
These are made-up examples to show how the rules work - not accounts of real claims.
A note in the record. A vet writes “occasional slight limp after long runs” at a routine visit. The dog is insured months later and then tears a cruciate ligament in that leg. Under the model definition, a recorded sign directly related to the condition counts, even without a diagnosis; whether it is “directly related” is what the insurer would have to show.
The second knee. A dog has one knee repaired before the policy starts and injures the other two years later. Whether the second knee is covered depends on the policy’s bilateral clause.
The cured infection. A dog had one ear infection eight months before enrolling with an insurer that has a 12-month curable-condition rule. Four months into the policy the year is up; a new ear infection after that is eligible.
Found during the wait. A murmur is first heard at a check-up in the second week of the policy, inside the waiting period. It is treated as pre-existing.
What to Ask Before Enrolling
- How does the policy define a pre-existing condition? Ask for the clause.
- How are bilateral conditions handled?
- Is there a curable-condition rule, and how long is the symptom-free period?
- What are the waiting periods for illness, accidents and orthopedic conditions?
- Will the insurer review my pet’s records before I buy and tell me what would be excluded?
- How do I appeal a decision?
Get the answers in writing, or keep a copy of the policy wording. What an agent says on the phone is not the policy.
Frequently Asked Questions
Can I get pet insurance after my dog is diagnosed with cancer?
You can buy a policy, but the cancer and conditions related to it will be excluded. The policy would cover unrelated problems.
What about a rescue dog with no records?
The insurer works from whatever records exist, including the shelter’s and the first vet visit after adoption. Ask the insurer how it handles a pet with little history.
Do vaccinations or microchipping count as pre-existing?
No. They are routine procedures, not treatment for a condition.
Can I switch to another insurer after my dog develops a condition?
You can, but the condition will be pre-existing under the new policy.
Do conditions from before I owned the dog count?
Yes, if they are in the records.
Can I appeal a denied claim?
Yes. Ask the insurer for its appeal procedure, and send supporting records or a statement from your vet. If you believe the insurer is wrong, your state insurance department takes complaints. Under the NAIC model, the insurer bears the burden of proving the exclusion applies.
How can I find out what would be excluded for my pet?
Ask before you buy whether the insurer will review the medical records and tell you. Some do.
Should I ask my vet not to record minor issues?
No. An accurate record is what keeps your pet safe - it is how the next vet knows what was tried and what reacted badly. Plan the insurance around the record, not the other way round.
Is there a cooling-off period?
The NAIC Model Act provides a 15-day “free look” in which a policy can be returned for a full refund if no claim has been filed. Check whether your state and policy include it.
Summing Up
The rule that does the most work is the simplest one: insure the pet while nothing is in the record. If there is already a history, get the full records, find out whether the problem counts as curable, and choose an insurer that states a symptom-free period for it. And once a policy is covering a condition, think twice before leaving it.
Related Reading
- How to Choose Pet Insurance: What to Compare in a Policy
- Is Pet Insurance Worth It? Real Cost Analysis With Numbers Last updated: October 2026. Insurer rules were read on the insurers’ own sites on 9 October 2026; they change, and they differ by state.
