Yes, you can donate a portion of your liver and continue living a normal, healthy life. The liver is the only internal organ that can regenerate itself, so after a surgeon removes a section for transplant, both your remaining portion and the piece given to the recipient grow back to near-full size within a couple of months. This procedure, called living donor liver transplantation, has been performed for decades with strong safety records.
How Living Liver Donation Works
During the surgery, a surgeon removes a specific section of your liver and transplants it into the recipient. Which section depends on who’s receiving it. For an adult recipient, surgeons typically remove the right lobe, which makes up roughly 60% of the liver’s total volume. This larger portion gives an adult recipient enough functioning tissue to survive while regeneration begins. For children or smaller adults, surgeons take the left lobe or just the left lateral section, which is smaller.
Both pieces then regenerate independently. The transplanted section grows inside the recipient, and your remaining liver grows back in your body. Within a couple of months, both livers typically reach normal volume and function. Volumetric studies confirm that the regenerated liver in donors is ultimately indistinguishable from its pre-surgery size in the vast majority of cases.
Recovery After Donation
Expect to spend about five to seven days in the hospital after surgery. Full recovery takes six to eight weeks, and most donors can return to work within that same timeframe depending on how physically demanding their job is. Lab values for liver function may look abnormal in the early weeks but normalize within the first year.
One lasting change that researchers have documented: about 10% of donors have mildly lower platelet counts (the blood cells involved in clotting) for years after donation. Studies tracking donors for up to 11 years have consistently found this. For most people, the reduction isn’t large enough to cause problems, but it’s worth knowing about.
How Safe Is It for the Donor?
Living liver donation is major abdominal surgery, and it does carry real risks. The overall complication rate is around 40%, though that figure includes minor issues like temporary pain, small infections, or bile leaks that resolve on their own. About 19% of donors experience more than one complication. The rate of serious complications causing lasting disability is 1.1%.
The risk of death from the surgery itself is low but not zero. Early mortality runs about 1.7 per 1,000 donors, and the overall donor mortality rate (including longer-term follow-up) is 0.4%. To put the long-term picture in perspective, a large U.S. study found that liver donors had a cumulative mortality rate of 1.2% at 11 years after surgery, which was identical to the rate for kidney donors and nearly identical to the 1.4% rate for matched healthy adults who never donated anything. In other words, donating a portion of your liver does not appear to shorten your lifespan.
Unlike kidney donation, where donors face a small but documented increase in risk of kidney disease later in life, long-term liver disease in liver donors has not been reported in the research literature. Researchers note this doesn’t guarantee it never happens, but the signal so far is reassuring.
Who Can Be a Living Liver Donor
Not everyone qualifies. Transplant centers screen potential donors thoroughly, and many candidates are ruled out during the evaluation process. General requirements include being at least 18 years old, having a compatible blood type with the recipient, and being in good overall health.
Common reasons people are disqualified include:
- Fatty liver: More than 10% fat content on a liver biopsy is the single most common reason for rejection, accounting for about 16% of disqualified donors
- Obesity: A BMI over 30 is typically an exclusion, and donors with a BMI over 25 are less likely to be accepted
- Blood clotting disorders: Conditions that increase clotting risk, like Factor V Leiden, disqualify about 7% of candidates
- Psychological concerns: About 7% are excluded after psychosocial evaluation
- Unfavorable anatomy: The liver’s blood vessel and bile duct arrangement varies between people, and some configurations make safe donation impossible
Donors older than 50 also face higher scrutiny, and conditions like diabetes, poor heart or lung function, or a history of hepatitis B can rule you out.
Emotional and Psychological Impact
The psychological outcomes for liver donors are overwhelmingly positive. A large prospective study following donors for two years found that rates of major depression (0 to 3%), anxiety (2 to 3%), and alcohol misuse (2 to 5%) remained low at every assessment point. At two years after donation, nearly 95% of donors said they would make the same decision again if they could.
That said, about 11% of donors reported at some point during follow-up that they wouldn’t donate again. This was highest at three months post-surgery (8%), when physical recovery is still underway and discomfort is fresh. By later follow-up points, that number dropped to around 5%. The overall picture is that most donors feel good about their decision, but a small minority experience regret, at least temporarily.
What It Means for the Recipient
Living donor transplants produce survival outcomes comparable to transplants from deceased donors. For recipients with acute liver failure, one-year survival was 71% with a living donor compared to 79% with a deceased donor, and by five years both groups had identical 71% survival rates. One major advantage of living donation is timing. Rather than waiting months or years on a transplant list while their condition worsens, recipients can schedule the surgery when they’re in the best possible shape for it.
Who Pays for the Surgery
The recipient’s health insurance covers the donor’s medical costs. This includes your evaluation at the transplant center, lab work, imaging, the surgery itself, your hospital stay, and follow-up appointments. This applies whether you know your recipient personally or are donating to a stranger.
On the legal side, the Affordable Care Act prohibits health insurers from denying you coverage or charging higher premiums because you donated an organ. The Family and Medical Leave Act protects your job for up to 12 weeks while you recover, though most liver donors need six to eight weeks. Many states have additional protections for living donors, including provisions around lost wages and other non-medical costs that insurance won’t cover.