TPLO surgery for dogs in NZ

What is TPLO?

TPLO (Tibial Plateau Leveling Osteotomy) is the most common surgical procedure for cranial cruciate ligament (CCL / ACL) rupture in dogs. The surgeon cuts and rotates the top of the tibia to change its geometry — neutralising the forward thrust that previously needed the ligament to control. Most active medium-to-large dogs are candidates; some surgeons opt for alternative techniques (TTA, extracapsular suture) depending on body weight and case.

We don't publish a TPLO cost table. The number for your dog depends on the surgeon (specialist vs general-practice), the clinic, post-op imaging, and complications. Get a quote from your referring vet — and from a second specialist if you want a comparison.

What pet insurance can cover

• Surgical fees (anaesthesia + procedure + immediate post-op)
• Pre-op imaging (radiographs, sometimes CT)
• Hospitalisation
• Post-op rehabilitation (sometimes; check sub-limit)
• Pain management medication

The bilateral-conditions rule is the big risk

About half of dogs that rupture one cruciate go on to rupture the other within 12-24 months. NZ pet insurance policies handle this very differently:

• Some treat the second side as pre-existing once you've claimed on the first — meaning the second surgery is entirely out of pocket.
• Some cover both sides as separate conditions, treating each knee as a standalone event with its own waiting period.
• Some sit in the middle, applying a percentage carve-out or a fresh waiting period for the second side.

This rule alone can decide whether the second TPLO is covered or fully out of pocket. Read the bilateral-conditions clause in any pet insurance wording before signing up — it's one of the highest-stakes lines in the document.

Watch the cover specifics

• Waiting period for orthopaedic conditions. Often longer than the standard illness waiting period; can be 6 months or more.
• Per-condition sub-limit. Some policies cap orthopaedic claims well below the annual benefit cap.
• Excess + co-pay structure. Two separate levers.
• Breed-specific exclusions. Some breeds prone to cruciate disease (Labradors, Rottweilers, Newfoundlands) may have breed-specific carve-outs.