Neurology · London
Private lumbar puncture in London, by a consultant neurologist.
A safe sampling of cerebrospinal fluid through the low back - the definitive test for suspected MS, meningitis and idiopathic intracranial hypertension. Performed by a consultant neurologist.
Indicative pricing
What a private lumbar puncture costs in London.
Indicative ranges across UK private providers.
In short
£850-£1,500, with CSF results in 3-7 days.
| LP type | Indicative range | Typical duration | Results turnaround |
|---|---|---|---|
| Diagnostic lumbar puncture | £850–£1,500 | 30–45 min | 3–7 days for CSF results |
| LP with CSF opening pressure | £900–£1,700 | 30–45 min | 3–7 days |
| LP + intrathecal injection | Quoted case by case | 45–60 min | Same visit |
| Image-guided (fluoroscopy) LP | £1,200–£2,000 | 45–60 min | 3–7 days |
| LP under GA (specialist) | £2,500–£4,500 | 60–90 min | 3–7 days |
| Repeat / follow-up LP | £750–£1,300 | 30–45 min | 3–7 days |
Prices vary by clinic, by which consultant neurologist performs the procedure, by whether image guidance is used, and by the specialist tests requested on the CSF.
The problem
MRI can show. Only CSF can prove.
An MRI can describe what a lesion looks like - but it cannot always say what it is doing. Cerebrospinal fluid can. The skill is doing the LP safely, in the right patient, and having the right laboratory analyse it.
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Worried it will hurt?
The area is numbed with local anaesthetic. Most people find it far easier than expected - pressure rather than pain.
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Anxious about a headache?
About a third get a positional headache. It settles with hydration and caffeine; a blood-patch fixes the rest.
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Dreading the wait?
CSF results are usually available in 3-7 days. We chase them and keep you informed rather than leaving you in silence.
What it shows
When a lumbar puncture is the right next step.
A lumbar puncture is arranged when a definitive neurological answer is needed. These are the situations we see most.
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Suspected MS (oligoclonal bands)
CSF-specific oligoclonal bands support a diagnosis of multiple sclerosis alongside MRI.
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Suspected meningitis or encephalitis
Cell count, protein, glucose and culture identify the cause of infection or inflammation.
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Suspected subarachnoid haemorrhage (after CT)
Xanthochromia on CSF confirms or excludes bleeding when a CT scan is negative but suspicion remains.
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Idiopathic intracranial hypertension
Opening pressure confirms the diagnosis - and can be therapeutic in the same sitting.
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Opening pressure measurement
A calibrated reading of CSF pressure, taken with a manometer while you lie on your side.
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Intrathecal drug delivery
Direct delivery of specialist drugs (for example chemotherapy or nusinersen) into the CSF.
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Syringomyelia work-up
Part of a wider neurological work-up when a spinal cord cyst is suspected or seen on MRI.
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Red flag: any focal neurological signs
MRI or CT of the brain must come first to rule out raised pressure or a mass lesion.
LP types
Not all lumbar punctures are the same.
What each option on your referral is actually for.
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Diagnostic lumbar puncture
The standard procedure - small tubes of CSF collected for laboratory analysis.
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LP with opening pressure
A manometer is attached to measure CSF pressure - essential for suspected IIH.
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Image-guided (fluoroscopy) LP
Live X-ray guidance when the anatomy is difficult, previous back surgery or scoliosis.
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LP under GA (specialist)
For patients who cannot tolerate the procedure awake, or paediatric cases.
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Therapeutic LP (IIH)
Fluid is drained to reduce raised intracranial pressure in idiopathic intracranial hypertension.
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Intrathecal chemotherapy
Chemotherapy delivered directly into the CSF, usually alongside a consultant oncologist.
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Blood-patch for post-LP headache
A small volume of your own blood placed at the puncture site to seal a persistent CSF leak.
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Paediatric LP (specialist)
Performed by a consultant paediatric neurologist in an appropriate setting.
Safety and eligibility
Safer, and easier, than most people expect.
Lumbar puncture is safe when the right patient is chosen. The things worth planning are imaging first, blood-thinning medication, and lying flat afterwards.
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Not with raised intracranial pressure
A brain MRI or CT is required first when raised pressure or a mass lesion is suspected.
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Not with coagulopathy or on anticoagulants
Warfarin, DOACs and clopidogrel need individualised planning.
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Local anaesthetic
The skin and deeper tissues are numbed. Most people feel a small stinging injection, then pressure rather than pain.
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Lying flat afterwards
You rest flat for one to two hours immediately after the procedure to reduce the chance of a post-LP headache.
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Post-LP headache (about 30%)
A positional headache is the commonest side effect. Hydration and caffeine help; a blood-patch is offered if it is severe or lasts.
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Rare bleeding or infection
Serious complications are very uncommon. Sterile technique and proper case selection keep the risk low.
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Temporary nerve-root pain
A brief shooting sensation down one leg during needle placement is common and settles quickly.
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Pregnancy is possible
A lumbar puncture can be performed safely in pregnancy when clinically indicated - we discuss the specifics with you.
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Results within a week
Most CSF results are available in 3-7 days. We chase them and make sure they are explained properly.
Reading your report
A CSF report can look intimidating. It isn’t.
Whichever tests were requested, the report keeps to the same four parts.
A quiet reminder
CSF language is precise and can read coldly - ask your care team to explain anything that is unclear.
Ask your care team to explain anything that is unclear.
- 01 Header
Your details and the indication
Your details, the clinical question, and any relevant history that shaped the tests requested.
- 02 Technique
How the LP was performed
The lumbar level used, whether opening pressure was measured, and how many tubes of CSF were sent to the laboratory.
- 03 Findings
What the laboratory found
Cell count, protein, glucose, cytology, culture, and any specialist tests such as oligoclonal bands or PCR for infection.
- 04 Impression
The conclusion: read this first
Plainly stated: normal, infection, an MS-supportive panel, evidence of malignancy, or something else. Your specialist plans treatment from here.
Recognised by major UK insurers
Frequently asked
Everything we get asked about lumbar puncture.
Quick answers on pain, cost, headaches and how long CSF results take.
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What does a lumbar puncture show?
It samples the cerebrospinal fluid that surrounds your brain and spinal cord. Standard tests include cell count, protein, glucose, culture and cytology; specialist tests include oligoclonal bands for MS, xanthochromia for subarachnoid haemorrhage, and PCR for viral encephalitis.
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Does a lumbar puncture hurt?
Less than most people expect. The skin and deeper tissues are numbed with local anaesthetic - the small stinging injection is the sharpest moment. After that you feel pressure rather than pain, and sometimes a brief shooting sensation down one leg.
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Will I get a headache afterwards?
About one in three people develop a positional headache in the days that follow, because a little CSF has leaked. It usually settles with hydration, caffeine and lying flat.
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How much does a private lumbar puncture cost in London?
A diagnostic lumbar puncture is typically £850-£1,500, and £900-£1,700 with a formal opening-pressure measurement. Image-guided (fluoroscopy) LP is £1,200-£2,000.
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Is a lumbar puncture safe?
Yes, in the right patient. It is not safe when intracranial pressure is raised, when there is a mass lesion, or when you are on anticoagulation that has not been managed.
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Do I need an MRI before my lumbar puncture?
Usually yes. A brain MRI is arranged first when raised intracranial pressure or a mass lesion is possible - which covers most first-presentation cases. It also often helps interpret the CSF result.
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How long do results take?
Standard CSF tests (cell count, protein, glucose) are back within a day or two; culture, cytology and oligoclonal bands take up to a week. We give a full result within seven days in almost all cases.
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Can I have a lumbar puncture if I am pregnant?
Yes, when it is clinically indicated. The technique is unchanged and it is considered safe in pregnancy.
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When should I see a GP urgently instead?
Sudden thunderclap headache, a stiff neck with fever, a first seizure, sudden weakness or vision loss, or any focal neurological sign - these need urgent NHS assessment, not a private booking.