For most dogs, the best plan is an accident-and-illness policy bought while the dog is young and healthy, with an annual limit of $10,000 or more (or unlimited), 80–90% reimbursement and a deductible you could pay tomorrow. The monthly price is the least useful number to compare. What decides whether you get paid is the fine print on orthopedic claims, especially torn cruciate ligaments (the dog version of a torn ACL).
That is the comparison this guide focuses on. Most dog insurance rankings sort brands by price. A cruciate tear is one of the most common large claims a dog owner will file, and insurers attach special rules to it: longer waiting periods, clauses that exclude both knees and curable-condition rules that leave knees out. Those rules decide whether a $4,000+ surgery bill gets paid at all. The sections below compare plan tiers first, then the knee rules that matter more than tier.
At a glance: plan tiers
| Accident-only | Standard accident & illness | Premium / high-limit | |
|---|---|---|---|
| Typical monthly cost (healthy 2-year-old) | $10–$20 | $30–$50 | $50–$80+ |
| Typical annual limit | $5,000–$10,000 | $10,000–$15,000 | $25,000 or unlimited |
| Typical deductible / reimbursement | $250–$500 / 70–90% | $250–$500 / 80% | $100–$250 / 90% |
| Covers illness | No | Yes | Yes |
| Covers a cruciate tear | Often, if the policy treats it as an injury. Many classify it as illness or orthopedic, so check | Yes, after the orthopedic waiting period | Yes, after the orthopedic waiting period |
| Biggest weakness | Illness costs are 100% yours | One major claim can use up the cap | Steep premiums that rise with age |
| Best for | Healthy young mixed breeds with a large savings cushion | Most dogs aged 1–8 | Predisposed breeds and owners for whom a $10,000 bill would be a crisis |
Ranges observed August 2026. Your quote depends on age, breed, ZIP code and the settings you choose.
For a benchmark, NAPHIA’s industry data put the average US accident-and-illness dog premium at about $676 a year (roughly $56 a month) in 2023.
The orthopedic fine-print comparison
You need the policy document (the sample policy, not the marketing page) to fill this in. If an insurer can’t answer these questions clearly before you buy, that tells you something about how the claim will go.
| Term | What to look for | Red-flag wording | Ask the insurer |
|---|---|---|---|
| Standard illness waiting period | Usually around 14 days for illness. Accidents are often covered within days | “Waiting period applies to all conditions” with no breakdown | “What are the separate waiting periods for accident, illness and orthopedic conditions?” |
| Cruciate / orthopedic waiting period | Often 6–12 months, separate from the illness period. Some insurers shorten it in some states or waive it after a vet exam | “Cruciate ligament, hip dysplasia and patellar luxation: 6 months” buried in an exclusions appendix | “Is there a separate orthopedic waiting period, how long is it in my state, and can a vet exam waive it?” |
| Bilateral clause | Whether a problem in one knee makes the other knee pre-existing | “Bilateral conditions,” or “if a condition affects one side, the other side will be considered pre-existing” | “If my dog has cruciate surgery on one knee, is the other knee still covered?” |
| Curable pre-existing pathway | Some insurers will cover a “curable” pre-existing condition after a symptom-free period (often 6–12 months), and many specifically leave knees and ligaments out of this | “Curable conditions covered after 180 days without symptoms, excluding knee and ligament conditions” | “Can a past knee issue ever become covered again? Under what conditions?” |
| Annual vs per-condition limit | An annual limit resets every year. A per-condition or lifetime-per-condition cap can run out on one knee | “Maximum benefit per condition,” “per incident,” “lifetime limit” | “If both knees need surgery over three years, what’s the most you’ll pay in total?” |
| Direct vet payment | Whether the insurer can pay the hospital directly, so you don’t have to front $4,000+ | “Reimbursement following submission of paid invoice” only | “Can you pay my vet directly, or approve a surgery estimate before the procedure?” |
The NAIC’s consumer guide to pet insurance covers how pre-existing conditions, waiting periods and exclusions generally work, and its Pet Insurance Model Act sets disclosure rules for waiting periods. States adopt the act individually, so the rules in your state may differ from your neighbor’s.
Why knees get their own rules
The Merck Veterinary Manual describes cranial cruciate ligament rupture as one of the most common causes of hindlimb lameness in dogs. It names Rottweilers, Labrador Retrievers and Newfoundlands among the predisposed breeds. In dogs the problem is often a slow degeneration of the ligament rather than a single sports-style injury. That matters for insurance in two ways:
- It’s frequently classified as illness or orthopedic disease, not accident. So an accident-only plan may not pay for it, and the longer orthopedic waiting period applies.
- It tends to affect both knees. Recent research summarized in a 2025 review of canine cranial cruciate ligament disease describes the condition as frequently bilateral, with many dogs that rupture one ligament later rupturing the other. Insurers know this, which is why bilateral clauses exist.
If your dog is limping, holding up a back leg or reluctant to jump, see your vet. Only a vet can tell you what’s going on. Get the policy question answered before that visit if you can, because whatever goes in the record becomes part of your dog’s insurance history.
Worked example: one $4,200 knee claim, three outcomes
The dog: a four-year-old Labrador on a standard accident-and-illness plan with a $500 annual deductible, 80% reimbursement and a $10,000 annual limit. Cranial cruciate surgery plus rehab costs $4,200.
Outcome A: paid in full under the policy terms
- Enrolled two years ago, no prior knee notes in the records.
- Bill $4,200 − $500 deductible = $3,700 eligible.
- 80% of $3,700 = $2,960 reimbursed.
- Out-of-pocket: $500 + $740 = $1,240.
Outcome B: denied, because the tear falls inside the orthopedic waiting period
- Enrolled four months ago. The policy has a 14-day illness waiting period but a 6-month cruciate waiting period.
- The tear is diagnosed at month four. $0 reimbursed. Out-of-pocket: $4,200.
- It gets worse: that knee now has a documented history. Under most definitions it’s pre-existing on this policy and on any future one, and many curable-condition pathways exclude ligaments.
Outcome C: second knee excluded under the bilateral clause
- Outcome A happened 18 months ago and the first knee was paid.
- The other knee tears. Its surgery costs $4,500. The policy’s bilateral clause treats the second knee as pre-existing because the first one was claimed.
- $0 reimbursed. Out-of-pocket: $4,500.
- On a policy without a bilateral clause, the same claim would pay ($4,500 − $500) × 80% = $3,200, leaving you $1,300 out-of-pocket.
Across both knees, the same dog and the same tier cost the owner anywhere from $2,540 (both knees paid) to $8,700 (Outcome B followed by an excluded second knee). The premium is identical in every case. The fine print isn’t.
By-dog decision table
| Your dog | Recommended tier | The fine print that matters most | Move |
|---|---|---|---|
| Puppy of a predisposed breed (Lab, Rottweiler, Newfoundland, other large breeds) | Standard or premium | Orthopedic waiting period; bilateral clause | Enroll as early as you can, so the orthopedic waiting period is over well before the higher-risk adult years. Pick a policy without a bilateral clause, or one that waives the orthopedic waiting period after a vet exam. |
| Adult dog that has already torn one CCL | Standard, if you insure at all | Bilateral clause; curable pathway (knees are usually excluded) | Expect both knees to be excluded on a new policy. Insure for everything else, such as illness, cancer and accidents, and budget for the other knee yourself. Ask every insurer in writing how they treat the second knee. |
| Senior dog (8+) | Standard with a high annual limit, or premium if the price works | Annual limit; renewal increases | Ask for the insurer’s renewal pricing history. Compare five years of premiums with the size of the bill you’re protecting against. |
| Healthy mixed breed, owner has $10,000+ set aside for the dog | Accident-only, or self-insure | Whether “accident” includes ligament tears | A fund this size covers most single claims. Accident-only adds protection against the catastrophic emergency. Confirm whether that policy counts a cruciate tear as an accident. |
Out-of-pocket by tier: three more scenarios
Premiums, deductibles and copays all count. These scenarios are illustrative, using typical settings for each tier.
| Scenario | Accident-only ($15/mo, $500 ded., 80%) | Standard ($40–$70/mo, $500 ded., 80%, $10k cap) | Premium ($60–$95/mo, $250 ded., 90%, no cap) |
|---|---|---|---|
| 9-month-old Beagle swallows a toy: $2,800 surgery | $960 out-of-pocket | $960 out-of-pocket | $505 out-of-pocket |
| 3-year-old Cocker Spaniel, chronic ear infections: $600 then $800 over two years | $1,400 (not covered) | $1,080 out-of-pocket + $1,080 premiums ($45/mo) | Smaller claims, but premiums usually outweigh the savings |
| 7-year-old Golden Retriever, CCL surgery ($4,500) + cancer care ($11,000) in one year | Cancer not covered | $5,500 out-of-pocket: the $10,000 cap runs out partway through cancer treatment | $1,775 out-of-pocket |
What these show:
- For a single accident, the cheap plan wins on total annual cost ($180 in premiums + $960 = $1,140, compared with $720 + $505 = $1,225 for premium).
- Mild chronic illness barely breaks even in the first two years. It pays off if the condition worsens, which breed-related chronic problems often do.
- In a catastrophic year, the no-cap plan saves $3,725 for about $300 more in annual premiums ($95/mo compared with $70/mo).
Does pet insurance cover a torn ACL/CCL, and what is a bilateral exclusion?
Most accident-and-illness policies cover cruciate surgery once the orthopedic waiting period has passed, as long as the knee has no prior history in the vet records. Accident-only policies vary. Some count a tear as an injury, and others treat it as degenerative disease and exclude it.
A bilateral exclusion means that once one side of a paired body part (knees, hips, elbows, eyes) has a condition, the insurer treats the other side as pre-existing, even if it has never shown a symptom. Some insurers apply this only when both sides were affected before enrollment. Others apply it after any claim. Ask which version you’re buying.
How long is the waiting period, especially for knees?
Accident waiting periods are usually a few days, and illness waiting periods are often around two weeks. Orthopedic and cruciate waiting periods are commonly 6–12 months. That’s the gap that produces Outcome B above. Some insurers will shorten or waive the orthopedic waiting period if a vet examines the dog shortly after enrollment and finds no joint problems. State rules can also change the length, so ask for the figure that applies in your state, in writing.
Can a pre-existing condition ever become covered again?
Sometimes. Insurers that separate “curable” from “incurable” conditions may cover a curable one (a resolved infection or a healed bout of diarrhea, for example) after a set symptom-free, treatment-free period, often 6 or 12 months depending on the insurer. Incurable conditions, such as diabetes or hip dysplasia, stay excluded. Knees and ligaments are the exception that trips people up: many policies that offer a curable pathway name them specifically as never eligible. If your dog has any knee history, assume it stays excluded unless the policy says otherwise in plain words.
When should I get pet insurance for my puppy, and does it get more expensive with age?
Enroll as early as the insurer allows (often 8 weeks), before anything shows up in the vet records. For predisposed breeds this also starts the orthopedic waiting period clock before the higher-risk adult years.
Yes, premiums rise with age, and the increases can be steep. A policy that costs $35–$40 a month at age two can reach $70–$90 by age eight or nine. Enrolling young doesn’t lock in today’s price. What it locks in is a clean record, and a clean record is the thing you can’t buy back later.
Is dog insurance worth it, or should I just save for vet bills?
Self-insuring works if you already have roughly $10,000 or more set aside specifically for the dog and you could absorb two large bills in the same year. If you don’t, insurance turns a $4,000–$15,000 surprise into a deductible plus a percentage.
Insurance is a worse deal if:
- your dog is already a senior with existing conditions (you’d pay high premiums for a policy that excludes the likely claims)
- you mainly want help with routine care. A wellness rider rarely covers much more than you pay for it.
The pre-existing condition trap
Pre-existing exclusions are the most common reason for claim denials, and “pre-existing” is broader than most owners expect. Many insurers define it as any condition whose signs appeared before enrollment or during a waiting period, whether or not it was diagnosed. Before paying a claim, insurers usually ask for your dog’s full medical history.
For example: you enroll a two-year-old German Shepherd, and at age four she’s diagnosed with hip dysplasia. If an earlier vet note mentions stiffness or reluctance to jump, the insurer can call the condition pre-existing even though nobody named it at the time. Some insurers also exclude listed hereditary or congenital conditions by breed, so read the exclusions list, not only the coverage summary.
If your dog already has a diagnosed condition, check how far the exclusion reaches. Some insurers exclude only that condition. Others exclude everything related to the same body system.
Common mistakes
- Enrolling after the first limp or vet note. Even a “monitor the left knee” comment can make that knee pre-existing.
- Assuming the general waiting period covers knees. Fourteen days for illness doesn’t mean fourteen days for cruciates.
- Buying a low per-condition or annual limit. One cruciate surgery plus one illness can use up a $5,000 cap in a single year.
- Ignoring renewal pricing. A cheap year-one premium tells you little. Ask how much that insurer’s premiums have gone up at renewal for dogs of your dog’s age.
- Not checking whether “accident” includes ligament tears on an accident-only plan.
- Fronting the whole bill without asking about direct payment or pre-approval of the surgery estimate.
When to get professional help
- See your vet if your dog is limping, holding up a back leg, sitting with one hind leg sticking out or suddenly unwilling to jump. Waiting can make the problem worse, and only a vet can diagnose it.
- Talk your options through with your vet before buying. Your dog’s breed, age and history decide which tier makes sense, and your vet knows what local surgery and rehab actually cost.
- Contact your state insurance department if a claim is denied, you’ve gone through the insurer’s appeal process and you believe the denial contradicts the policy wording. The NAIC explains how state regulators oversee pet insurers.
Five questions to ask before you enroll
- How do you define “pre-existing”: by diagnosis, or by any symptom in the records?
- What are the accident, illness and orthopedic waiting periods in my state, and can a vet exam waive the orthopedic one?
- Do you have a bilateral clause, and when does it apply?
- Is the limit annual, per-condition or lifetime, and what’s the most you’d pay if both knees needed surgery?
- How have your premiums changed at renewal for dogs of this age and breed?
Affiliate disclosure: This article may contain affiliate links. We may earn a commission if you buy a policy through our links, at no additional cost to you. Our comparisons are based on policy mechanics and veterinary sources, not affiliate relationships.
The cheapest policy and the best policy only line up if the fine print still pays when your dog’s knee gives out. Compare the waiting periods, the bilateral clause and the limit structure first, and price second. Then spend on what prevents injuries in the first place: durable Best Dog Toys for Aggressive Chewers: Durable & Safe Options and a well-fitted harness from Best Harnesses for Dogs That Pull (2026) cost less than any deductible.