Bilateral Knee Replacement: Double Knee Arthroplasty, Cost, Recovery

Bilateral knee replacement is a surgical procedure in which both knees are replaced with artificial joints. This can be performed either simultaneously (during the same surgery) or in stages (with separate surgeries scheduled weeks or months apart), depending on the patient’s condition and overall health. Also, the double knee replacement procedure can be performed as either a partial or total knee replacement. The primary goal of bilateral knee replacement is to relieve chronic pain caused by advanced arthritis and to restore mobility, stability, and overall joint function.

After bilateral knee replacement, Most patients begin walking with assistance within 24 hours of bilateral knee replacement. Independent household walking is usually achieved by 6 weeks, normal walking without aids by 6–12 weeks, full pain-free mobility by 3–6 months, and complete recovery can take up to 18 months.

Bilateral knee replacement costs generally range from $30,000 to $75,000 in the U.S., $15,000–$21,000 in Turkey, and $4,200–$12,000 in India. Costs depend heavily on implant type, surgeon expertise, and hospital stay.

In Turkey, world-class orthopedic surgeons with international certifications combine advanced skills and state-of-the-art technology to deliver outstanding results.

Contact Turkey Luxury Clinics today for your personalized consultation and treatment plan.

What is Bilateral Knee Replacement Surgery?

Bilateral knee replacement surgery, or double knee replacement, is an orthopedic procedure that replaces both knee joints with artificial implants to treat severe, degenerative arthritis or damage.

Double knee replacement is performed either in one session, called simultaneous knee bilateral replacement, allowing for a single hospitalization and one recovery period, which can be optimal for minimizing time off work or daily activities, or in two stages separated by several months, called staged bilateral knee replacement, which is less stressful on the body

Double knee replacement can be either a total knee replacement or a partial knee replacement.

In a partial knee replacement, only the damaged portion of the knee is replaced with a prosthetic component, preserving the healthy parts of the joint. In contrast, a total knee replacement (arthroplasty) is recommended when all components of the knee joint are affected. In this case, the entire joint surface is resurfaced using metal and medical-grade plastic components.

Simultaneous vs Staged Bilateral Knee (Double Knee) Replacement

Feature	Simultaneous Bilateral Knee Replacement	Staged Bilateral Knee Replacement
Surgery	Both knees in one session	Each knee in separate sessions
Hospital Stay	1 hospitalization	2 hospitalizations
Pain	Higher initially	Lower per surgery
Recovery	6–12 months full recovery	Longer overall, but easier per knee
Advantages	One recovery period, faster long-term completion	Safer for older or high-risk patients
Best For	Healthy patients able to tolerate both knees at once	Older or medically complex patients

Simultaneous replacement of both knees in one surgery offers faster recovery, one rehab session, and lower costs for healthy patients under 70. Staged (separated by months) is safer for older or high-risk patients, as it reduces risks of heart/lung complications, blood transfusions, and mortality.

Simultaneous Bilateral Knee Replacement

A simultaneous bilateral knee replacement is a procedure in which both knees are replaced during the same operation under a single anesthesia. This means fewer surgeries and a shorter hospital stay.

One of the main benefits of this approach is a reduced overall recovery time compared to having the two knee replacements done separately, as both knees heal simultaneously within the typical 3 to 6 months it takes for a single knee to recover.

However, recovery after simultaneous bilateral knee replacement can be more challenging, since the patient cannot rely on either leg until sufficient healing is achieved.

This often requires assistance at home during the recovery phase.

It also carries a higher risk of complications, such as excessive blood loss, the need for a blood transfusion, or the formation of blood clots during recovery.

Staged Bilateral Knee Replacement

In a staged bilateral knee replacement, both knees are replaced in two separate surgeries, usually scheduled several months apart, typically 3 to 6 months. This approach allows one knee to fully recover before the second knee undergoes surgery.

The main advantage of a staged procedure is the lower risk of complications compared to replacing both knees at once. Patients are also able to return to work and daily life with minimal assistance, often using only crutches, while recovering from the first surgery.

However, the total rehabilitation period is longer, which may delay your return to certain daily activities, sports, or exercise routines.

Total vs Partial Bilateral Knee Replacement

Feature	Bilateral Total Knee Replacement	Bilateral Partial Knee Replacement
Area Replaced	All compartments (medial, lateral, patellofemoral)	Only damaged compartments
Invasiveness	More invasive	Less invasive
Recovery	Longer initial recovery; full recovery up to 12 months	Faster early recovery; shorter hospital stay
Pain Relief	Long-term, comprehensive	Long-term but may have higher repeat surgery risk
Best For	Extensive osteoarthritis in both knees	Localized arthritis in active, healthy patients

Bilateral knee replacement applies to both partial and total procedures in Bilateral total knee replacement both knee joints are fully replaced with artificial prosthetic knees while in bilateral partial knee replacement, only the damaged parts in both knees are removed, cleaned, and replaced with implants. This can include bilateral unicompartmental knee replacement, where only one compartment - medial, lateral, or patellofemoral - is replaced.

Bilateral Total Knee Replacement

Bilateral total knee replacement is a complete knee replacement in which all three compartments of both knee joints—medial, lateral, and patellofemoral—with metal and plastic prosthetic components. This procedure is ideal for patients with widespread, advanced osteoarthritis.

Bilateral Partial Knee Replacement

Bilateral partial knee replacement is a less invasive procedure that replaces only the damaged compartments (medial, lateral, or patellofemoral) in both knees. Often, it is performed simultaneously, allowing a single recovery period and hospital stay. Recovery is typically quicker in the early weeks, with patients resuming light activity sooner than total double knee replacement.

Same day Bilateral Knee Replacement

Bilateral Knee Replacement Cost 2026

The cost of bilateral knee replacement surgery varies widely depending on the country, procedure type, and hospital setting.

Procedure Type	Turkey	United Kingdom (Private)	United States
Bilateral Total Knee Replacement	$15,000 – $21,000	$22,500 – $48,000+	$40,000 – $112,000+
Bilateral Partial Knee Replacement	$11,000 – $16,000	$18,000 – $28,000+	$25,000 – $47,000+
Bilateral Robotic-Assisted	$18,500 – $29,800	$30,000 – $60,000+	$55,000 – $75,000+

The bilateral total knee replacement cost ranges between $30,000 and $75,000 for total knee replacement, and around $20,000 to $35,000 for bilateral partial knee replacement in the US, UK, and European countries.

In Turkey, the cost of bilateral knee replacement surgery for total knee joint replacement ranges between $15,000 and $21,000, while bilateral partial knee replacement costs around $11,000 to $13,000, depending on the clinic's reputation, surgeon expertise, and type of implants.

Several factors influence the final cost, including whether the surgery is performed simultaneously (same-day) or in stages, the type of implant used, and overall hospital fees. Choosing simultaneous surgery can reduce costs by approximately $10,000 to $28,000 in the US, since it eliminates duplicate hospital, anesthesia, and testing fees.

Additionally, inpatient procedures are generally more expensive than outpatient surgeries performed in specialized centers.

Bilateral Knee Replacement Cost in Turkey 2026

Procedure Type	Unilateral (One Knee)	Bilateral (Both Knees)
Total Knee Replacement	$6,500 – $14,000	$15,000 – $21,000
Partial Knee Replacement	$11,000 – $13,000	$17,500 – $20,000

In Turkey, bilateral total knee replacement costs between $15,000 and $21,000, while bilateral partial knee replacement ranges from $17,500 to $20,000, depending on the clinic, surgeon expertise, and implant type.

The cost breakdown of knee replacement in Turkey typically includes the initial consultation, required X-rays and MRI images, the surgery itself (operating room, surgeon, and anesthesiologist fees), and postoperative hospital stay for 1 to 2 nights.

Some comprehensive packages offer even more, such as physiotherapy, postoperative follow-ups, medication, and travel expenses, with VIP packages that cover hospital accommodation, transportation, and a wide range of services to make the journey more comfortable.

Turkey offers up to 70–75% savings compared to Western countries, while maintaining high medical standards. Cities like Istanbul are known for internationally accredited hospitals, experienced orthopedic surgeons, and advanced surgical technologies.

Most clinics provide all-inclusive packages, covering consultation, imaging, surgery, surgeon and anesthesia fees, hospital stay, and often additional services such as physiotherapy, medications, accommodation, and transportation.

Cheapest Countries for Knee Replacement

Country	Estimated Cost (USD)	Average Saving (%)
Turkey	$3,000 – $12,000	70% – 85%
Iran	$2,800 – $3,800	up to 90%
India	$3,000 – $6,000	80% – 90%
Egypt	$6,000 – $8,000	60% – 75%
Lithuania	$6,000 – $9,500	60% – 80%
Poland	$7,000 – $11,000	55% – 75%
Mexico	$9,000 – $14,000	50% – 70%

Turkey, Iran, India, Mexico, and other international countries offer affordable double knee replacement procedures with prices ranging between $2,800 and $15,000, saving up to 70–80% compared to US/UK prices.

However, Turkey is often favorable for its combination of affordable pricing, high-quality healthcare facilities, internationally accredited surgeons, and advanced medical technology.

Bilateral Knee Replacement Procedure

The following steps apply to simultaneous bilateral knee replacement as well as each stage of a staged bilateral knee replacement:

Patient preparation: General medical tests are conducted, and blood samples may be taken to ensure the patient is fit for surgery.
Anesthesia: Bilateral knee replacement is usually performed under general anesthesia, though regional anesthesia can sometimes be used.
Incision: An incision is made in the knee. The size of the incision depends on the type of procedure—total knee replacement requires a larger incision compared to partial or minimally invasive approaches.
Removal of damaged parts: In partial knee replacement, one or two compartments are replaced; in total knee replacement, all damaged joint surfaces are removed. The bone surfaces are then cleaned and reshaped to fit the new prosthetic parts.
Insertion of prostheses: Artificial knee components—usually made of metal, ceramic, or plastic—are precisely implanted into the femur, tibia, and, in some cases, the patella (kneecap).
Closure: After testing the movement and stability of the prosthetic knee, the incision is closed with sutures, and the patient is transferred to the recovery room.

Bilateral Knee Replacement Procedure

Bilateral Knee Replacement Recovery

Recovery after bilateral knee replacement varies between individuals, generally it takes 3 to 6 months to return to normal daily activities. The full recovery, including regaining strength and stability, takes up to 12–18 months.

After bilateral knee replacement, patients usually stay in hospital for several days, 3 to 5 days after a staged procedure and around 10 days after simultaneous knee replacement, to monitor for any complications and tell patients about the bilateral knee replacement rehab

Recovery begins immediately after surgery and progresses through several stages. These may include minor side effects such as pain and swelling, a period of limited mobility, and time off work, followed by an extended phase of physiotherapy.

Most patients return to normal activities within 3 to 6 months, while full strength and the ability to resume strenuous activities may take up to one year.

Simultaneous vs Staged Recovery

Simultaneous bilateral knee replacement offers a faster, single recovery period with one hospital stay, but may involve higher initial pain, increased risk of transfusion, and more intensive early rehabilitation. Staged replacement reduces immediate stress on the body but extends recovery over several months with two separate surgeries.

Walking Timeline

Walking after bilateral knee replacement generally begins within 24 hours of surgery using walker or crutches to eliminate any pressure holding on the new device until full recovery

REturing to life with independent walking differs by type of double knee replacement, simultaneous or staged : simultaneous procedures allow returning to walking in 4-6 weeks with intense initial rehab, while staged procedures (usually 3+ months apart) offer a faster recovery for each knee but a longer total process.

Time Frame	Walking Milestones
Days 1–3	Standing and walking short distances with a walker or crutches
Weeks 1–3	Using a walker, progressing to crutches or a cane
Weeks 4–6	Many patients begin walking without assistive devices
Weeks 6–12	Walking several blocks at a time, with continued significant improvement in mobility
3–6 Months	Most people can walk comfortably, including on stairs, with minimal limitations

Initial Walking:
In both approaches, early movement starts within the first 24 hours to improve circulation and prevent complications.
Simultaneous Bilateral Knee Replacement:
Recovery is more physically demanding at the beginning, as both knees heal at the same time. Most patients require assistance at home for up to 4–6 weeks.
Independent indoor walking is typically achieved within 4–6 weeks, while returning to most normal daily activities takes around 8–12 weeks.
Staged Bilateral Knee Replacement:
This approach allows for an easier recovery for each knee individually. The second surgery is usually performed 3 to 6 months after the first, once sufficient strength and mobility have returned.
While each recovery phase may feel smoother, the total recovery time is longer overall.

Walking Aids:

Patients commonly use walkers or crutches for 4–6 weeks, gradually transitioning to independent walking by around 6–8 weeks, depending on strength and rehabilitation progress.

Bilateral Knee Replacement Pain

Pain after bilateral knee replacement, when both knees are replaced simultaneously, is typically greater than after staged replacement. However, it can usually be managed with medical analgesics and ice packs. While discomfort is a normal part of the healing process and does not indicate surgical failure or complications, severe, persistent, or worsening pain should prompt a consultation with your surgeon.

Factors Affecting Double Knee Replacement Recovery Time

Recovery after bilateral knee replacement is not the same for every patient. Several key factors can significantly influence how quickly mobility and strength are regained:

Rehabilitation Commitment:
Consistent and dedicated participation in physical therapy is the most critical factor for a successful recovery. Patients who follow their rehab plan closely tend to regain mobility faster and achieve better long-term results.
Overall Health & Age:
Older adults or patients with underlying conditions such as diabetes or heart disease may experience slower healing. Additionally, excess weight can place extra stress on the new joints, potentially delaying recovery.
Pre-Surgery Condition:
Patients who are physically active and have stronger muscles before surgery often recover more quickly, as their bodies are better prepared for rehabilitation.
Surgical Approach:
Advanced techniques, such as minimally invasive surgery or modern implant materials, can reduce tissue damage and lead to faster recovery times.
Complications:
Postoperative issues such as infection, excessive blood loss, or prolonged swelling can extend the recovery period and require additional care.
Pain Management:
Effective pain control plays a crucial role in recovery, as it enables patients to begin movement and participate in physical therapy at an early stage.

Bilateral Knee Replacement Recovery Timeline Table

Stage	Recovery Focus
First Few Weeks	Manage pain and swelling, care for the surgical wound, and begin gentle exercises to restore range of motion and basic mobility.
1–3 Months	Gradually increase activity levels, including walking, and start more intensive physical therapy to strengthen the muscles around the knee.
3–6 Months	Return to most daily activities, including driving and light work.
6–12 Months	Achieve full recovery of strength and endurance, with continued physical therapy and gradual progression to more demanding activities.

Bilateral Total Knee Replacement Physiotherapy Protocol

Physical therapy starts immediately, often within the first 24 hours. Initial sessions focus on sitting, standing, and taking first steps with a walker. Outpatient therapy continues, emphasizing range of motion (initial goal 90°) and progressive strengthening.

Physical therapy is supervised by a physiotherapist and begins immediately during the hospital stay.
The protocol aims to manage pain and swelling, improve range of motion, and strengthen muscles to restore overall knee function.
Therapy usually starts within a few hours after surgery, helping patients regain knee movement early.
Most rehabilitation programs last between 6 and 12 weeks, depending on individual recovery progress and pre-existing health conditions.
The plan generally includes a structured walking program, knee-strengthening exercises, and techniques to restore joint motion.
Adhering to the physiotherapist’s and surgeon’s instructions throughout the recovery period is essential for achieving the best outcomes after double knee replacement surgery.

Who is a Candidate for Bilateral Knee Replacement Surgery?

Doctors may recommend bilateral knee replacement surgery when severe Arthritis affects both knees. However, candidates for bilateral knee replacement should be in good overall health, without significant underlying conditions such as heart or lung problems, and be willing to commit to physical therapy and rehabilitation after surgery.

Discover who is qualified for knee replacement & who is contraindicated to get knee replacement for medical reasons

Bilateral Knee Replacement Risks and Complications

The potential risks associated with both simultaneous and staged bilateral knee replacement surgeries should be noted as follows:

Infection
Blood clots
Heart attack
Stroke
Nerve damage
Failure of the artificial joint
The possibility of blood transfusion

It is more common for individuals over the age of 65 to experience complications from double knee replacement surgery. Additionally, men are at a higher risk for complications than women.

What Are the ICD-9, ICD-10, and CPT Codes for Bilateral Total Knee Replacement?

medical codes of bilateral knee replacement that are used for insurance claims, hospital records, and medical billing include:

ICD 10 code for bilateral total knee replacement:
ICD-10-CM code M17.0 represents Bilateral primary osteoarthritis of the 2knee. This code is used when a patient has osteoarthritis, a degenerative joint disease, in both knees.
ICD-10-CM code Z96.653 signifies the presence of artificial knee joint(s), bilateral. This code is used to indicate that a patient has artificial knee joints in both knees.
ICD 9 code for bilateral total knee replacement:

ICD9-CM code 81.54 refers to total knee replacement either bicompartmental, tricompartmental, and unicompartmental

CPT code for bilateral total knee replacement:
CPT code 27447 describes a total knee arthroplasty (TKA), also known as a total knee replacement

Why Choose Turkey Luxury Clinics for Bilateral Knee Replacement

Turkey is one of the world’s top destinations for knee replacement surgery, offering advanced medical technology, internationally accredited surgeons, and high success rates, all at a fraction of Western costs. Many patients also enjoy combining their treatment with the opportunity to experience Turkey’s rich culture and tourism.

At Turkey Luxury Clinics We provide comprehensive bilateral knee replacement packages that include expert orthopedic care, personalized treatment plans, and full support throughout your journey, from consultation to recovery.

Contact Turkey Luxury Clinics today for a personalized quote and a professional assessment of your case.