Employer-provided private medical insurance is one of the most valuable non-cash benefits in the UK, and one of the least understood. You get a card, a member number and a friendly onboarding email, and then you assume that if you ever need a scan, the scan is covered. Sometimes it is. Sometimes the plan quietly caps outpatient diagnostics at £500 a year, or applies a group excess that is higher than the price of the MRI itself. This piece is what to check before you book.
One-line answer
Corporate PMI usually covers MRI, but whether it makes financial sense to claim depends on your excess, any outpatient sub-limit, and whether the imaging centre you want is inside your scheme's network - and if either the excess is high or the diagnostic cap is nearly used up, a self-pay MRI can be the cheaper route.
The three corporate PMI models
UK employers buy corporate cover in one of three broad shapes, and the shape decides how MRI is paid for. It rarely appears in the joining pack in plain language.
- Fully insured group PMI. The traditional shape, offered by Bupa, AXA Health, Aviva, Vitality, WPA and a handful of others. Premium is fixed, claims are handled by the insurer, and outpatient diagnostics like MRI are usually covered inside the annual limit. Most large-employer schemes sit here.
- Trust-based (self-insured) schemes. Large employers - typically 500+ employees - fund claims from their own trust, administered by a third party (often Bupa Global, AXA or Healix). The card looks identical, but the rules on outpatient cover, excess and pre-authorisation are set by the trust document, not by the insurer's public plan. This is where the biggest surprises hide.
- Health cash plan hybrids. SME employers increasingly bolt a hospital plan onto a cash plan (Simplyhealth, Medicash, Health Shield). Consultations and diagnostics get partial cover up to a fixed cash amount - typically £250 to £500 a year for scans - after which you self-pay. This is the model most likely to leave you with a bill.
Ask your HR portal - or, more reliably, the insurer's member app - which of the three you are on before you assume anything about MRI cover.
The excess trap: group excess sometimes higher than the scan
Every corporate PMI plan carries an excess, and on employer schemes the excess is often set higher than an individual policyholder would choose, because a higher excess reduces the group premium the employer pays. Common corporate excesses in 2026 sit at £100, £250 or £500 per policy year, occasionally £1,000 on cost-managed schemes.
Here is the trap. A single-region MRI in a regional private centre costs £450 to £600 all-in. If your corporate excess is £500 and you have not used it yet this policy year, you will pay the entire scan yourself and the insurer will settle nothing. You still file the claim, because it counts towards your annual excess for the next claim, but for this scan you are effectively self-paying at the retail rate the insurer negotiated - which is often higher than what you would have paid booking direct.
| Scenario | Scan cost (network price) | You pay | Insurer pays |
|---|---|---|---|
| £0 excess, cover applies | £520 | £0 | £520 |
| £250 excess, cover applies | £520 | £250 | £270 |
| £500 excess, unused | £520 | £520 | £0 |
| £1,000 excess, unused | £520 | £520 | £0 |
| Self-pay direct (regional) | £450 | £450 | Not applicable |
Outpatient diagnostic sub-limits (some plans cap MRI at £500 a year regardless)
Beyond the excess, many corporate plans - especially SME plans and cash-plan hybrids - carve out a separate annual limit for outpatient diagnostics. A common structure in 2026 is £500 per person per policy year for scans and pathology combined. That covers roughly one MRI. If you have already used it on blood tests, an ultrasound or a previous scan, the balance falls to you.
The sub-limit rarely appears in the joining pack in plain figures. It is buried in the scheme handbook under "outpatient benefit". Before booking a second scan in a policy year, log into the member app and check the remaining outpatient balance. If it is under £200, self-pay usually wins.
Provider network restrictions (SME plans sometimes exclude London Zone 1)
Every insurer publishes a hospital and imaging network. On enterprise plans (bought by FTSE-listed employers) the network is usually the full network including HCA Healthcare, Bupa Cromwell, London Bridge, Cleveland Clinic and the King Edward VII's. On mid-market and SME schemes the network is often restricted to Bupa Health Clinics, Nuffield Health, Spire and a set of standalone imaging providers - and central London Zone 1 hospitals are frequently excluded.
This matters more than most patients expect. If you work in the City and want an MRI at London Bridge on your lunch break, and your plan is on the "guided" or "essential" network, that hospital may not be authorised. The insurer will offer to book you at a network alternative in Zone 2 or Zone 3, or a Bupa clinic. If you insist on the excluded hospital, you self-pay the difference or the entire scan.
Use Find care to see which private imaging centres are near you before you commit to a booking.
The employer HR interaction (do not assume HR knows the small print)
HR administers the scheme. HR did not write it. The reality of a corporate PMI benefit is that HR sees the summary the broker gave them at renewal - number of employees enrolled, premium paid, top-line inclusions - and rarely reads the detailed scheme handbook. When you ask HR "is MRI covered", the honest answer is usually "in principle, yes, ring the insurer".
Go straight to the insurer. Every UK PMI insurer has a member app or a member number you can call. The person on the phone can tell you, in one call, whether your specific plan covers MRI, what excess applies, what the outpatient balance is, and which imaging providers are in your network. That call is the single most useful thing you can do before booking.
The commonest mistake corporate members make is asking HR what is covered. HR knows what the scheme is called. The insurer knows what the scheme does.
When self-pay beats a corporate PMI claim
There are three specific situations where paying out of pocket for the scan, and not touching your corporate PMI, is the better move.
- Your excess is £250 or higher and unused. A regional single-region MRI at £450 to £550 self-pay is often cheaper than paying the excess and letting the insurer settle the small balance. Save the PMI for the consultant, the follow-up, or the treatment.
- Your outpatient diagnostic cap is close to used up. If you have £120 left in the annual outpatient limit and the scan is £520, the insurer will pay £120 and you pay £400. Self-pay direct at £450 is competitive and does not burn what remains of your cap.
- You want a provider outside your network. If your reason for going private is a specific consultant or a specific hospital that your plan excludes, self-pay is cleaner than fighting the pre-authorisation and being downgraded to a network alternative.
