The most common pet insurance mistake is timing. Owners buy a policy after a symptom appears, or the week before a surgery, and discover that the waiting period excludes exactly what they needed covered.
What a waiting period is
A waiting period is the time between buying a policy and the date some or all of its coverage begins. The NAIC model law defines it, and sets limits on it in the states that have adopted the model (NAIC Model Act #633):
- Accidents: no waiting period allowed. Coverage for injuries can start immediately.
- Illnesses: up to 30 days. Insurers may impose a waiting period of no more than 30 days for illnesses.
- Orthopedic conditions not caused by an accident: up to 30 days. This category includes problems such as cruciate ligament injuries, which some policies have historically made owners wait longer for.
- No waiting period at renewal. Waiting periods may not be applied again when you renew existing coverage.
- Clear disclosure required. Waiting periods and their conditions must be disclosed clearly before you buy.
In states that have not adopted the model law, waiting periods are set by each policy and may be longer. Read yours.
The trap inside the waiting period
Under the model law, a condition is also treated as pre-existing if signs or symptoms appeared during the waiting period. A cough noticed on day 10 of a 14-day illness waiting period can be excluded permanently, not just until the wait ends.
How to shorten the wait
The model law requires policies that impose a waiting period to offer a way to waive it through a veterinary examination after purchase. The exam must be paid for by the insured unless the policy states otherwise, and insurers may set its requirements (NAIC Model Act #633).
If your pet is due for a checkup anyway, scheduling it right after you buy can bring coverage forward.
What the policy actually says
Check four lines in your policy or quote:
| Coverage | Model law limit | Your policy |
|---|---|---|
| Accidents | No waiting period | ______ |
| Illnesses | Up to 30 days | ______ |
| Orthopedic (non-accident) | Up to 30 days | ______ |
| Waiver by vet exam | Must be offered | ______ |
Preparedness: the part insurance cannot do
September is National Preparedness Month. For pet owners, preparation means being ready to leave quickly with your pet. Ready.gov recommends (Ready.gov):
- Know where you could go with a pet, because many public shelters do not accept animals.
- Keep a pet emergency kit: several days of food and water, medications, first aid supplies, a leash and a carrier.
- Store records in a waterproof container, including registration documents and a photo of you with your pet to prove ownership.
- Keep microchip contact details current.
Add your pet insurance policy number and claims phone number to that kit.
Coverage check
The bottom line: a pet insurance policy covers what happens after its waiting periods end. Buy before you need it, use a vet exam to shorten the wait where you can, and remember that anything noticed during the wait may be excluded for good.
Sources
- National Association of Insurance Commissioners, Pet Insurance Model Act (#633)
- North American Pet Health Insurance Association, State of the Industry Report 2026, highlights , June 21, 2026 (industry-funded)
- Ready.gov, Prepare Your Pets for Disasters
Insurance rules and prices vary by state and insurer. This article is for general information, not individual advice; consult a licensed insurance professional and your veterinarian.