Yes, there is a surgery that can make you taller. It’s called limb lengthening, and it works by cutting a bone, then slowly pulling the two halves apart so new bone grows in the gap. The procedure can add anywhere from about 2 to 3 inches (5 to 8 cm) when performed on one set of bones, and up to 6 inches if performed on both the thighbones and shinbones in separate surgeries. It’s a real, well-established orthopedic technique, but it comes with a long recovery, significant risks, and a price tag that typically runs $80,000 to over $175,000 in the United States.
How the Surgery Works
The procedure relies on a biological process called distraction osteogenesis. A surgeon cuts the bone cleanly in two (an osteotomy), then installs a device that will gradually pull the two halves apart over the following weeks. As the gap widens, your body fills it with a soft, flexible tissue made mostly of collagen. This tissue, called regenerate, is essentially the raw scaffolding of new bone. It stays soft during the lengthening phase because it hasn’t mineralized yet.
The gap is widened about one millimeter per day, split into four quarter-millimeter adjustments throughout the day. That slow, controlled pace is critical. Too fast and the bone can’t keep up; too slow and the gap may fuse prematurely. Once you’ve reached your target length, the bone enters a consolidation phase where minerals gradually harden the regenerate into real bone. Over time, the new bone remodels and becomes structurally identical to the original bone on either side of it.
Internal Nails vs. External Fixators
Two types of devices can pull the bone apart. External fixators are metal frames worn on the outside of the leg, connected to the bone with pins or wires that pass through the skin. They’ve been used for decades and work well, but those pin sites create ongoing infection risk, can leave noticeable scars, and make daily life uncomfortable for months.
Internal lengthening nails are the newer option and the one most cosmetic patients choose. These are motorized rods placed inside the bone’s marrow canal. Because nothing protrudes through the skin, infection rates drop significantly and scarring is minimal. The nail is controlled by an external remote or magnet that the patient uses to make each daily adjustment. The trade-off is cost: internal nails are more expensive, and the hardware typically needs to be surgically removed once the bone has fully healed.
What Recovery Actually Looks Like
Recovery from limb lengthening is measured in months, not weeks. The process has three distinct phases, and each one demands a serious commitment of time and energy.
The first phase is the surgery itself and the initial hospital stay. Physical therapy starts daily while you’re still in the hospital, and you’ll be limited to partial weight bearing, meaning you can’t put your full body weight on the operated leg. You’ll rely on crutches or a walker.
The second phase is the distraction period, when the bone is actively being lengthened. This lasts roughly two to three months depending on how much height you’re gaining (at 1 mm per day, 5 cm takes about 50 days). During this time, you’ll attend physical therapy at least three times a week to maintain range of motion in your joints and prevent your muscles and tendons from tightening as the bone gets longer. You’ll still need walking supports, though you’ll gradually bear more weight on the leg.
The third phase, consolidation, is the longest. The bone needs time to fully harden. For a 5 cm femur lengthening, most patients reach full weight bearing about one month after the distraction phase ends. For 5 cm of shinbone lengthening, that timeline stretches to about two months. A larger 8 cm femur lengthening typically requires two months before full weight bearing. Physical therapy continues two to three times a week during this period, and you’ll slowly transition from crutches to a cane to walking unassisted. From start to finish, expect the entire process to take six months to a year before you’re moving normally again.
Risks and Complications
This is major orthopedic surgery, and the complication list is real. Nerve injury is one of the most serious and frequent risks. Stretching a bone also stretches the nerves and blood vessels running alongside it, which can cause numbness, tingling, weakness, or pain. In some cases, the nerve damage is temporary; in others, it can be lasting.
Other complications include joint stiffness (especially in the knee), muscle contractures where the soft tissues can’t keep pace with the lengthening bone, delayed bone healing or non-union where the gap fails to fill properly, and infection. The risk of complications rises with the amount of lengthening attempted, which is one reason surgeons generally cap a single procedure at about 8 cm.
Pain during the distraction phase is expected. Your bone is literally being pulled apart a millimeter each day, and the surrounding muscles and soft tissues are being stretched along with it. Most patients describe the distraction phase as the hardest part of the entire process.
Cost and Insurance Coverage
If you’re pursuing this purely for height (cosmetic stature lengthening), insurance will almost certainly not cover it. It’s considered elective. Current pricing in the U.S. breaks down roughly as follows:
- Both thighbones (bilateral femur): $87,000 to $90,000
- Both shinbones (bilateral tibia): $95,000 to $100,000
- Both thighbones and shinbones combined: $175,000 to $178,000
These figures cover the surgery and device, but the total journey includes physical therapy, medications, imaging, and eventual hardware removal. Even when insurance won’t pay for the surgery itself, some PPO plans will cover the cost of removing the internal nail once the bone has healed. Insurance is also more likely to help with peripheral costs like physical therapy and prescriptions. If you have a Health Savings Account or Flexible Spending Account, those funds can often be applied to qualifying medical components of the process.
The picture changes if you have a documented leg length discrepancy from an injury or birth defect that causes pain or a limp. In that case, insurance is much more likely to treat the procedure as medically necessary and cover it.
Who Gets This Surgery
Limb lengthening was originally developed for people with uneven leg lengths, dwarfism, or bones shortened by trauma or disease. Those medical applications have a long track record. Cosmetic lengthening for otherwise healthy people who want to be taller is a newer and more controversial use, but it has grown steadily over the past decade, particularly with the development of internal lengthening nails that made the experience more tolerable.
Most surgeons require cosmetic patients to be skeletally mature (growth plates fully closed, typically by age 18 to 25), in good overall health, and psychologically prepared for what is a grueling recovery. The ideal candidate understands that this isn’t a quick fix. Between the surgery, the months of limited mobility, the intensive physical therapy, and the gradual return to normal activity, you’re looking at committing roughly a year of your life to the process.