Imaging · London
MRI with contrast in London, when the detail matters.
Gadolinium contrast makes tumours, inflammation and blood vessels stand out - but many scans do not need it. It is only used when it changes the answer.
Indicative pricing
What MRI with contrast costs in London.
Indicative ranges across UK private providers.
In short
Contrast usually adds £50-£150 to a scan, reported in 24-72 hours.
| Scan type | Indicative range | Typical duration | Report turnaround |
|---|---|---|---|
| Contrast added to a scan | + £50–£150 | +15 min | 24–72 hrs |
| Brain MRI with contrast | £450–£800 | 30–45 min | 24–72 hrs |
| Abdominal / pelvic with contrast | £500–£900 | 40–60 min | 48–72 hrs |
| MR angiography (MRA) | £450–£850 | 30–45 min | 24–72 hrs |
| Breast MRI (contrast-based) | £600–£1,000 | 30–45 min | 48–72 hrs |
| Second-opinion read (existing scan) | £250–£450 | Report only | 48–72 hrs |
Prices vary by clinic, time of day, scanner field strength (1.5T vs 3T), and which scan the contrast is added to.
The problem
Contrast is powerful - and often unnecessary.
Used at the right moment, gadolinium reveals things a plain scan cannot. Used needlessly, it just adds an injection and cost.
What it shows
When contrast is actually used.
Contrast earns its place for specific questions. Here is when it helps - and the reminder that it often is not needed.
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Tumours & masses
Contrast helps define a tumour’s edge, blood supply and behaviour.
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Infection & inflammation
Highlights active inflammation and abscesses.
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Blood vessels (MRA)
Shows arteries and veins for aneurysms, narrowing and malformations.
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Active MS lesions
Distinguishes active from old lesions in multiple sclerosis.
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Breast MRI
Breast MRI relies on contrast to reveal areas of concern.
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Cancer staging
Adds detail when mapping the spread of a known cancer.
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Post-surgery review
Separates scar tissue from a new or recurrent problem.
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Often not needed
Many scans are complete without any injection - it is only added when it helps.
Safety & what to expect
What to know about MRI contrast.
What each option on your referral is actually for.
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What gadolinium is
A safe contrast agent that brightens certain tissues so they stand out.
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The injection
A small cannula in your arm; the contrast goes in partway through the scan.
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Kidney function
A recent eGFR is checked first, as the contrast is cleared by the kidneys.
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Side effects
Usually none. A brief cool feeling is common; reactions are rare.
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Pregnancy & feeding
Avoided in pregnancy unless essential; safe to continue breastfeeding.
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How long it adds
Typically about 15 minutes on top of the standard scan.
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When it is avoided
If it will not change the answer, it is left out. Less is more.
Safety and eligibility
One of the safest tests in medicine.
For a contrast scan the key steps are checking your kidney function and any allergy history.
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Kidney function (eGFR)
The most important check - a recent blood test confirms your kidneys can clear the contrast.
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Pregnancy
Gadolinium is avoided in pregnancy unless truly essential.
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Breastfeeding
Gadolinium is permitted - no need to pump and discard.
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Asthma and allergies
A history of significant allergy is worth flagging; serious reactions are very uncommon.
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Pacemakers and implants
The usual MRI implant checks still apply.
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The cannula
A small needle in the arm for the injection - the only mildly uncomfortable part.
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Staying hydrated
Normal hydration helps your body clear the contrast afterwards.
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When it is skipped
If contrast will not change the result, it is not used. Many scans need none.
Reading your report
A report can look intimidating. It isn't.
With contrast or without, the report keeps to the same four parts.
A quiet reminder
The report is written for your doctor, not for you - and that is normal.
If you would like it explained before your follow-up, ask your GP or specialist.
- 01 Header
Your details and the question
Your details, the scan performed, and whether contrast was used.
- 02 Technique
How the scan was done
Which sequences were used before and after contrast - the difference is what reveals the finding.
- 03 Findings
What the radiologist saw
A structured description of the region imaged, including how tissues took up the contrast.
- 04 Impression
The conclusion: read this first
The conclusion in brief - read this first. Your specialist discusses it in context.
Recognised by major UK insurers
Frequently asked
Common questions about MRI contrast.
Quick answers on cost, referrals, contrast, claustrophobia and results.
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What is MRI contrast?
A gadolinium-based agent injected into a vein. It brightens certain tissues - tumours, inflammation, blood vessels - so they stand out and can be characterised.
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Is gadolinium contrast safe?
For almost everyone, yes. Serious reactions are very rare, and modern agents have an excellent safety record. The main check is your kidney function.
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Do I always need contrast?
No - many MRIs are complete without it. Contrast is added only when it will change the answer, such as for tumours, infection, vessels or a breast MRI.
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Are there side effects?
Usually none. Some people feel a brief cool sensation as it goes in. Nausea or a mild reaction is uncommon, and the team is prepared for it.
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Can I have contrast if I am pregnant or breastfeeding?
It is avoided in pregnancy unless truly essential. If you are breastfeeding, gadolinium is permitted and you do not need to pump and discard.
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Does the injection hurt?
Only the small cannula in your arm, like any blood test. The contrast itself is painless.
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How much longer does it take?
Contrast typically adds around 15 minutes to the scan.
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Can I drive home afterwards?
Yes - there is no sedation, so you can drive, eat and work as normal.
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How much does contrast add to the cost?
Usually £50-£150 on top of the scan, depending on the study.