Does private health insurance cover knee or hip replacement?
Often yes — but the detail decides it. Private medical insurance will usually pay for a knee or hip replacement when the joint problem developed after your cover started, a consultant recommends surgery and your insurer pre-authorises it. The catch is that most joint replacements are needed for osteoarthritis that has built up over years — and if you had symptoms before you took out the policy, it normally counts as pre-existing and is not covered. Here is how the rules work, what the NHS wait looks like in 2026, and the indicative self-pay price if insurance won't fund it.
The essentials in 30 seconds
- Covered when it's new: PMI generally pays for a knee or hip replacement if the joint condition first arose after your policy started, a consultant recommends it and the insurer pre-authorises the operation.
- The pre-existing rule is the big excluder: arthritis you already had symptoms of, treatment for or advice about before joining is normally excluded — a typical moratorium looks back five years.
- You can't buy cover for an operation you already need: taking out PMI once your knee or hip is already troubling you won't get the surgery funded.
- NHS context: the standard is treatment within 18 weeks of referral, but only around six in ten patients in England currently start within it, and orthopaedics is among the longest-waiting specialties.
- If you self-pay: indicatively around £12,000–£18,000 for a total knee replacement and £11,000–£17,000 for a total hip replacement in 2026.
NHS, insured or self-pay — how a joint replacement gets funded
| Route | Typical cost to you | Typical wait | What's needed |
|---|---|---|---|
| NHS | Free | 18-week standard, but only ~6 in 10 patients start treatment within it (NHS England RTT data, early 2026); joint-replacement waits often run several months to a year+, varying widely by area | GP referral to an orthopaedic team; severity-based prioritisation |
| Private health insurance (PMI) | Usually nil beyond any excess | Typically a few weeks from consultant recommendation to surgery once authorised | An eligible (non-pre-existing) joint condition + consultant recommendation + insurer pre-authorisation; hospital and surgeon on your plan's list |
| Self-pay (no insurance) | Total knee ~£12,000–£18,000; total hip ~£11,000–£17,000; partial knee ~£10,000–£14,000 | Typically weeks; fixed-price packages with set dates | GP or consultant referral; most hospitals offer fixed-price packages and instalment plans |
Indicative ranges for orientation only — not a quote and not a statement of any specific policy or hospital price. Insured costs depend on your insurer, tier, modules and excess; self-pay prices vary by hospital, surgeon, implant and region (London and the South East commonly quote 10–15% more). Always confirm cover with your insurer and prices with the provider.
When private health insurance covers a knee or hip replacement
Private medical insurance is designed to fund the diagnosis and treatment of acute conditions — problems that arise after your cover starts and that treatment can put right. A joint replacement sits in an interesting spot: osteoarthritis, the usual reason for one, is a long-term degenerative condition, but the operation itself is a one-off, curative procedure. In practice, most UK insurers treat knee and hip replacement as eligible in-patient treatment when all of the following hold:
- The condition arose after your cover started. If your joint trouble began while you were insured — and you had no symptoms, treatment or advice for it before joining — the surgery is normally claimable.
- A consultant recommends the operation. You'll usually go from GP referral to an orthopaedic consultant, who confirms (typically with X-rays or an MRI) that replacement is the right treatment.
- The insurer pre-authorises it. Contact your insurer before anything is booked; they confirm eligibility, the hospital and the fee-approved surgeon.
- The hospital and surgeon are on your plan's list. Budget tiers use restricted hospital lists — the private hospital nearest you isn't automatically included.
An insured joint replacement normally covers the surgeon and anaesthetist fees, the hospital stay, the prosthesis itself and physiotherapy while you're an in-patient. One caveat worth checking: outpatient physiotherapy after you go home may draw on your plan's outpatient allowance, which on mid and budget tiers can be capped. For the wider picture of what plans do and don't pay for, see what private health insurance covers, or start at the private health insurance hub.
The pre-existing catch: why many joint replacements aren't covered
Here's the honest part most people searching this question need to hear: most knee and hip replacements are needed for arthritis that has been building for years — and if that history predates your policy, the operation is very unlikely to be covered.
How the exclusion works depends on how your policy was underwritten. Under a typical moratorium, anything you had symptoms of, treatment for, medication for or advice about in the five years before joining is automatically excluded. Some moratorium terms allow a condition to regain cover after a set trouble-free period (commonly two years with no symptoms, treatment or advice) — but degenerative joint disease rarely goes quiet for that long, so in practice a knee or hip that was already grumbling tends to stay excluded. Under full medical underwriting, the insurer asks about your health up front and will usually place a named, often permanent, exclusion on a previously troublesome joint. The two approaches are compared in moratorium vs full medical underwriting, and there's a deeper dive in private health insurance and pre-existing conditions.
It follows that you can't take out a policy to fund an operation you already need. If your knee or hip is already painful, a new PMI policy won't pay for its replacement — the realistic routes are the NHS list or self-pay. Where PMI genuinely earns its keep is the other direction: cover taken out while your joints are healthy protects you against needing surgery years down the line.
Your options if insurance won't fund the operation
If the joint problem is pre-existing — or you don't hold PMI — you have two main routes. The first is the NHS: free, clinically excellent, but with waits that in 2026 frequently stretch well past the 18-week standard for orthopaedic surgery, and with wide variation between areas. The second is self-pay: most UK private hospitals offer fixed-price packages (indicatively £11,000–£18,000 for a total hip or knee replacement) that bundle the surgeon, anaesthetist, hospital stay, prosthesis, in-patient physiotherapy and a follow-up. Many providers offer instalment or interest-free payment plans, and prices for the same operation can differ noticeably between regions, so it's worth comparing more than one hospital.
If you're weighing up whether private cover makes sense for the future — before your joints become the problem — see is private health insurance worth it? and what a policy typically costs in private health insurance cost UK 2026. Older readers thinking about cover later in life may also find private health insurance for over 60s useful.
Knee & hip replacements and private health insurance — FAQs
Information only — not financial or medical advice. This page explains in general terms how private medical insurance typically treats knee and hip replacement surgery; it is not a statement of any specific policy, and cover, limits and exclusions are defined by your insurer's policy wording. Costs and waiting times shown are indicative and not quotes. My Insurance Expert is not an FCA-authorised intermediary and does not arrange or sell policies. Last updated: 2026-07-10