Liver ultrasound scan (Abdominal (liver) ultrasound)

What is a liver ultrasound scan?

A liver ultrasound uses high-frequency sound waves, not X-rays, to create live images of the liver, gallbladder and bile ducts. A small handheld probe is moved over the right side of the tummy, and the echoes are turned into pictures on a screen. There is no radiation involved.

It is one of the first scans used to investigate abnormal liver blood tests, tummy pain, jaundice or a suspected gallstone. It can show fatty change in the liver, gallstones, blocked or widened bile ducts, fluid, and many growths or cysts.

Ultrasound is good at looking at structure but has limits. As the British Liver Trust notes, it 'often cannot give a definite diagnosis on its own', and it cannot reliably measure how much scarring (fibrosis) the liver has. It also depends on the operator and can be harder in people with a larger body size or a lot of bowel gas.

A normal scan is reassuring but does not rule out every liver problem, and an unclear or incidental finding may lead to further tests such as an MRI or CT.

Types, options & approaches

There may be different ways to do this. The right approach depends on the clinical question and your circumstances.

Ultrasound versus MRI or CT for the liver

Ultrasound is usually the first scan because it is quick, safe and radiation-free. MRI or CT is added when the ultrasound is unclear or more detail is needed.

Preparing for your scan

• You will usually be asked not to eat for about 6 hours beforehand, so the gallbladder is full and easier to see.
• You can usually drink water, and take regular medicines, unless told otherwise.
• Wear loose, two-piece clothing so your tummy can be reached easily.
• Mention if you are pregnant or might be, although ultrasound itself uses no radiation.
• Bring details of why you are being scanned and any previous scan reports.
• Allow time to lie still and to change position during the scan if asked.

What happens

You lie on a couch and expose your tummy. A sonographer or radiologist applies clear gel to the right side of your abdomen, which can feel cold, then moves a smooth probe over the skin to capture images of the liver, gallbladder and bile ducts.

You may be asked to take a deep breath and hold it, or to turn onto your side, to bring the liver into better view. You might feel some pressure from the probe, which can be mildly uncomfortable but should not be painful. The scan usually takes about 15 to 20 minutes.

The images are reviewed and a report is written, usually by a radiologist. You are not normally told the result during the scan; it goes to the clinician who requested it, who then explains what it means and what happens next.

Is this scan right for me?

A good consultation should explore whether it's the right choice for you now — including reasons to wait or consider something else.

Before you decide

Use this as a shared-decision checklist. The aim is not just “can this be done?”, but whether it is right for you, now, with the risks and alternatives clearly understood.

Ultrasound itself is very safe and uses no radiation, so the main issues are its limits rather than harm. It often cannot give a definite diagnosis alone, it does not reliably measure scarring, and the quality depends on the operator and your body. Ask what the scan can and cannot answer for your particular question, and what happens if it is inconclusive.

Published figures to discuss

Diagnostic ultrasound uses no ionising radiation and has no established harmful effects at the levels used, so there are no meaningful complication rates. The important uncertainties are diagnostic: ultrasound often cannot give a definite diagnosis alone, image quality varies with the operator and body size, and incidental findings are common. Detection of any particular problem depends on the reason for scanning, so no single figure applies.

These are literature figures, not a personalised prediction. Your own risks and likely benefits depend on your circumstances, your health, and how your care is carried out and followed up.

What happens afterwards

There is usually no physical recovery from an ultrasound, but you will normally need to wait for a report rather than getting your result on the day.

• No after-effects from the scan itself
• A little leftover gel on the skin or clothing
• Waiting a few days for the written report
• Being told that a harmless incidental finding was seen
• Needing another test if the scan was unclear

Aftercare

• Eat and drink normally again once the scan is finished.
• Make sure you know how and when you will get the report.
• Do not assume the result is normal just because nothing is said on the day.
• Attend any follow-on imaging or appointment that is arranged.
• Ask for a copy of the report if you would like one for your records.
• Note any new or worsening symptoms to mention when results are discussed.
• Keep any surveillance scans if you are in a regular monitoring programme.

• Fasting instructions checked and followed
• Loose two-piece clothing worn
• Reason for the scan and previous reports brought
• Pregnancy mentioned if relevant
• Clear on how and when the report will be available
• Plan noted for who will explain the result
• Any follow-on test understood

⚠ Get urgent help if…

• Yellowing of the skin or whites of the eyes (jaundice)
• Severe or worsening pain over the upper right tummy
• High fever with feeling very unwell, especially with jaundice
• Dark urine with pale stools
• Vomiting blood or passing black, tarry stools — seek emergency care
• A rapidly swelling or very tender tummy
• Marked drowsiness or confusion

Who to contact: your clinician, clinic or test provider first (keep their number to hand). For urgent advice when you can't reach them, call NHS 111. In an emergency, call 999.

General guidance — it doesn't replace the specific advice your radiologist gives you.

Results & realistic expectations

A normal liver ultrasound is reassuring and can rule out common structural problems such as gallstones, a blocked bile duct or obvious growths. It often shows fatty change in the liver, which is common.

However, ultrasound often cannot give a definite diagnosis on its own, and a normal scan does not rule out every liver condition, including significant scarring, which it cannot reliably measure. Incidental findings such as simple cysts are common and usually harmless. Ask your clinician what the scan answered, what it could not, and whether you need a FibroScan, an MRI or other tests.

An ultrasound shows the liver at one point in time. If your situation changes, or if monitoring is needed, the scan may be repeated. People at higher risk of liver cancer, such as those with cirrhosis, are often scanned regularly, commonly every six months. Your clinician will advise whether and when a repeat scan is needed.

Related tests, treatments or support

A liver ultrasound is often done as part of a wider work-up alongside liver blood tests and a liver screen. Where it is unclear, or more detail is needed about the bile ducts, lumps or scarring, it may be followed by an MRI/MRCP, a CT scan, a FibroScan or, occasionally, a guided biopsy. Results are best interpreted together.

Follow-up & long-term care

The scan report goes to the clinician who requested it, who should explain the findings and the plan, with a letter where appropriate. Depending on what is seen, you may be reassured, sent for further imaging, or referred to a specialist. If you do not hear within the expected time, contact the requesting service rather than assuming the result is normal.

• Regular surveillance scans, often every six months, for people at higher risk of liver cancer
• Repeat scans to monitor a known finding over time
• Further imaging, such as MRI or CT, when an ultrasound finding needs clarifying
• Periodic review alongside liver blood tests where a condition is being followed

Repeat, follow-on and what comes next

• An inconclusive scan often leads to further imaging such as MRI or CT.
• Surveillance scans are repeated at intervals in higher-risk people.
• A known finding may be rescanned over time to check for change.

Ask what happens if the result is unclear or needs repeating, and what is included if further tests or follow-up are needed.

What good aftercare looks like

• A clear, timely report sent to the requesting clinician.
• An explanation of what the scan showed and what it could not answer.
• A defined route to discuss the result and arrange any further imaging.
• Prompt follow-up where an incidental or significant finding is seen.
• Clear advice on warning signs, such as jaundice or severe pain.

What affects the cost

Costs vary a great deal between people and providers, and we don't publish prices. What matters is understanding what drives the cost and making sure your quote is complete. The main things that affect it:

• Whether a standard scan or a specialist study (Doppler or contrast-enhanced) is needed
• Who performs and reports the scan, and how quickly the report is produced
• The clinic or hospital used
• Whether a results discussion with a clinician is included
• Any follow-on imaging, such as MRI or CT, if the scan is unclear
• Whether it is a one-off scan or part of a surveillance programme

• Which type of ultrasound is included
• Whether reporting by a radiologist is included
• How and when the written report is provided
• Whether a clinician will explain the result, and any charge for that
• Whether a copy of the report is provided for your records
• The cancellation and rebooking policy
• What happens, and what it costs, if further imaging is needed

On the NHS? Liver ultrasound is routinely available on the NHS when clinically indicated; it is also offered privately, often for a shorter wait, but the report still needs proper interpretation.

You're entitled to your total cost in writing — including reports, follow-up and what happens if the result is inconclusive — before you decide.

Consent traps and marketing red flags

These are not small details. They are often where patients lose choice, time to reflect, or realistic expectations.

Choosing a specialist safely

• Check the radiologist is on the GMC Specialist Register for this area.
• Make sure they work at a CQC-registered service, and look for membership of the relevant Royal College or professional body.
• You're entitled to time to consider and to have your questions answered before you agree — the radiologist who looks after you should explain it, not a salesperson.
• Be wary of pressure: time-limited offers or deposits taken before you've had time to think are red flags, not bargains.
• You're entitled to your total cost in writing — including any follow-up — before you decide.

How Vuemedics verifies every consultant →

Take this to your consultation. A good radiologist will welcome every one of these.

• What question is this scan meant to answer for me?
• What can this ultrasound show, and what can it not tell us?
• Will this measure any scarring, or do I need a FibroScan as well?
• What happens if the scan is normal, abnormal or inconclusive?
• If something incidental is found, how will we decide whether it matters?
• How and when will I get the report, and who will explain it?
• Are you on the GMC Specialist Register for this area, and which Royal College or professional body are you a member of?
• Will you be the radiologist who carries out my scan, and who looks after me afterwards?
• What are the risks for someone like me, and how often do your own patients have a problem or need it repeated or redone?
• What does a realistic result look like — and what can this scan not achieve?
• What are my options, including waiting, doing nothing for now, or choosing a different approach?
• Can I have written information, results and aftercare instructions in a format I can use, including any accessibility or communication support I need?
• What is the total cost in writing, including any follow-ups, and how much time do I have to decide?

Find a verified radiologist for liver ultrasound scan

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How we made this page

Medically reviewed by a GMC-registered consultant. Written in plain English, checked against NHS, NICE, GMC and relevant Royal College / specialist-society guidance, and kept under review. No clinic paid to appear on this page, and we publish no pricing. This is general information to help you prepare — it is not a substitute for advice from your own clinician. How we review our guides →

Source hierarchy: UK regulator and NHS/NICE guidance first, then relevant Royal College or specialist-society guidance, then peer-reviewed evidence for procedure-specific figures where available.

Sources & standards: British Liver Trust — Ultrasound scans British Society of Gastroenterology — Guidelines on the management of abnormal liver blood tests NHS England — Hepatocellular carcinoma: delivering quality ultrasound surveillance British Liver Trust — Tests, diagnosis and screening NICE NG49 — Non-alcoholic fatty liver disease (NAFLD): assessment and management

Reviews reflect patients' experience of care, not clinical outcomes. For procedure volumes and outcome data see PHIN.

Last medically reviewed 2026-09-21. Spotted something wrong or out of date? Report an error in this guide.