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ACL Surgery - vet costs and insurance

Dog ACL Surgery: TPLO vs. TTA, Cost and Recovery

  1. Facts & Vet costs
  2. The Real Cost
  3. Insurance Traps
  4. Common Questions
By Marcel Janik · Last updated Oct 15, 2026

ACL (cruciate ligament) surgery costs $3,000-$6,000 per knee. TPLO and TTA reshape the bone so the knee stays stable without the torn ligament. About 40-60% of dogs tear the other ACL within 1-2 years, which can double the cost.

What Is It
The cranial cruciate ligament holds the knee steady. When it tears, the joint goes loose, and that means pain, limping, and fast-developing arthritis. Rest alone rarely fixes it; surgery is the standard for medium to large dogs. Affects all breeds but large dogs most often

The Process
TPLO rotates the tibia to change joint angle; TTA advances the tibial tuberosity. Both get similar results by different routes, both need metal implants, and both take 1-2 hours under anesthesia. TPLO is the most recommended technique

Cost Breakdown

$3,000-$6,000
TPLO: $3,500-$6,000 per knee. TTA: $3,000-$5,000. Lateral suture: $1,000-$2,500. Includes diagnostics, surgery, implants, anesthesia, hospitalization, medication, and follow-up. Board-certified surgeons charge more but have higher success rates.

Recovery & Aftercare
Strict rest for 6-8 weeks: leash walks only, no stairs or jumping. Physical therapy recommended. Gradual return to activity weeks 8-16. Follow-up X-rays at 6-8 weeks confirm healing. Full activity at 4-6 months. Full recovery in 8-16 weeks

Total Cost

$3,000-$6,000
Per knee. If both knees need surgery, expect $6,000-$12,000 total. Physical therapy adds $50-$100 per session.

Success Rate

90-95%
TPLO has a 90-95% success rate. Most dogs return to normal or near-normal activity. Complications include infection and implant failure.

Duration

1-2 Hours
Surgery takes 1-2 hours. Most dogs stay overnight for monitoring and pain management.

When It's Needed
When the cruciate ligament is partially or fully torn. Recommended for dogs over 30 pounds - smaller dogs may do well with conservative management.
ACL Surgery - vet costs and insurance

The Real Cost

$3,000starting cost

Per knee.

Cost Breakdown $3,000-$6,000
Total Cost $3,000-$6,000
Red flags

Insurance Traps

ACL surgery is one of the most common large claims. Insurers know it - and have specific rules.

Coverage Basics

Coverage
Most policies cover ACL surgery if you enrolled before any limping or knee trouble showed up. ACL tears are one of the most frequently claimed conditions in pet insurance. Coverage includes diagnostics, surgery, hospitalization, medication, and follow-up visits. Some policies cover physical therapy.

Waiting Period Warning

Waiting period
Many insurers impose a 6-month orthopedic waiting period for cruciate ligament issues. Any limping in that window can get ACL excluded for good. Most insurers class ACL tears as illness, not accident.

Cost vs Deductible

Deductible
At $3,000-$6,000 per knee, this is where insurance earns its keep. With a $500 deductible and 80% reimbursement, you save $2,000-$4,400 per knee. Two knees, double the savings. One ACL claim can pay for years of premiums.

Bilateral Exclusion Trap

Bilateral
Some insurers treat bilateral ACL as a single condition - one deductible and one annual limit for both knees. Others treat each knee separately. If one knee was treated before you enrolled, the second may be excluded as pre-existing. Ask which rule your policy uses.

Common Questions

Real answers about costs, treatment, and insurance coverage.

How much does ACL surgery cost for a dog?
TPLO: $3,500-$6,000 per knee. TTA: $3,000-$5,000. Lateral suture: $1,000-$2,500. All include diagnostics, anesthesia, implants, hospitalization, medication, and follow-up. Board-certified surgeons charge more. About 40-60% of dogs eventually need the second knee done.
What is the difference between TPLO and TTA?
Both change knee geometry so the torn ligament isn't needed. TPLO rotates the tibia; TTA advances the tibial tuberosity. Both have ~90-95% success rates. TPLO is done more often and has more long-term data behind it. Your surgeon will recommend one based on your dog's anatomy.
Can a dog recover from a torn ACL without surgery?
Small dogs under 30 lbs can sometimes get by with rest, anti-inflammatories, and physical therapy. For dogs over 30 lbs, that rarely works. The unstable knee leads to meniscus damage, chronic pain, and arthritis, so surgery is strongly recommended for medium to large dogs.
How long is recovery after ACL surgery?
Expect 8-16 weeks of restricted activity. The first 6-8 weeks mean strict rest and leash-only walks, then X-rays at 6-8 weeks to confirm healing. In weeks 8-16 your dog gradually gets moving again, with full activity at 4-6 months. Physical therapy speeds things up.
Will my dog need surgery on the other knee too?
About 40-60% tear the other ACL within 1-2 years - the second knee bears extra strain. Keep your dog lean, use joint supplements, and avoid high-impact activities to reduce risk. With odds like that, keep your insurance going.
What are signs of a torn ACL in dogs?
Watch for sudden limping, holding up a back leg, sitting with the leg stuck out to the side, trouble getting up, a swollen knee, clicking when walking, and stiffness after rest. Some tears happen in an instant; others build up slowly.
What happens if ACL surgery is not done?
The unstable knee develops arthritis that keeps getting worse, along with meniscus tears and chronic pain. Your dog shifts weight to the other legs. Most medium to large dogs end up with a serious limp and need long-term pain management.
Does pet insurance cover ACL surgery for dogs?
Yes, if you enrolled before symptoms appeared. Many insurers set a 6-month orthopedic waiting period, and bilateral clauses may affect the second knee. Enroll early and keep records of clean exams.

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Sources

Research and data used to compile this profile.

  1. 1 Witsberger TH, Villamil JA, Schultz LG, Hahn AW, Cook JL. Prevalence of and risk factors for hip dysplasia and cranial cruciate ligament deficiency in dogs. J Am Vet Med Assoc. 2008;232(12):1818-24.
  2. 2 Krotscheck U, Nelson SA, Todhunter RJ, Stone M, Zhang Z. Long term functional outcome of tibial tuberosity advancement vs. tibial plateau leveling osteotomy and extracapsular repair in a heterogeneous population of dogs. Vet Surg. 2016;45(2):261-8.
  3. 3 Bergh MS, Budsberg SC. Systematic review of surgical treatments for cranial cruciate ligament disease in dogs. J Am Anim Hosp Assoc. 2014;50(5):315-21.