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What is an abdominal ultrasound scan?

An abdominal ultrasound scan uses high-frequency sound waves to produce real-time images of the organs in your abdomen. It is a safe, painless, and radiation-free investigation that gives a consultant sonographer a detailed view of the liver, gallbladder, bile ducts, spleen, kidneys, pancreas, and abdominal aorta in a single appointment.

At Sonoworld, our upper abdominal ultrasound scan covers the liver, gallbladder, spleen, kidneys, and pancreas. If you also need the bladder and pelvic organs assessed, our abdomen and pelvis scan combines both in one visit.

What does an abdominal ultrasound show?

An abdominal ultrasound can identify a wide range of conditions, including:

  • Liver: fatty liver disease, cirrhosis, liver cysts, haemangiomas, and hepatocellular lesions
  • Gallbladder: gallstones, gallbladder polyps, cholecystitis, and bile duct dilation
  • Kidneys: kidney stones, cysts, hydronephrosis, and renal masses
  • Spleen: splenomegaly (enlarged spleen), splenic cysts, and accessory spleens
  • Pancreas: pancreatic cysts, ductal dilation, and pancreatic masses (where visible)
  • Aorta: abdominal aortic aneurysm (AAA) — a potentially life-threatening condition that is often symptomless until rupture

Ultrasound is the first-line investigation recommended by NICE for right upper quadrant pain, suspected gallstones, and abnormal liver function tests.

How do I prepare for an abdominal ultrasound?

Preparation is essential for a high-quality abdominal scan. Poor preparation is the most common reason for a suboptimal result.

  • Fast for 4–6 hours before your appointment. Water is permitted and encouraged.
  • Avoid alcohol for 24 hours before the scan, as it causes the gallbladder to contract and may obscure gallstones.
  • Avoid fizzy drinks and chewing gum on the day, as they introduce gas into the bowel, which can block the view of deeper structures.
  • If your scan includes the bladder, drink 1 litre of water one hour before and do not empty your bladder until after the scan.

Full preparation instructions are confirmed in your booking confirmation email. If you have any questions, call us on 020 3633 4902.

What happens during the scan?

You will be asked to lie on an examination couch. The sonographer applies a small amount of warm ultrasound gel to your abdomen and moves a handheld probe (transducer) across the skin. The gel improves contact and eliminates air between the probe and the skin, which would otherwise block the sound waves.

The scan is entirely painless. You may be asked to take a deep breath and hold it briefly — this moves the liver and gallbladder downward, improving the view. The scan typically takes 20–30 minutes.

At Sonoworld, your sonographer will explain what they are seeing in real time and give you a verbal summary of the findings before you leave.

When do I get my results?

You will receive an instant verbal summary of findings at the end of your appointment. A formal written report, prepared by your consultant sonographer, is emailed to you within 24 hours. You can share this report directly with your GP or specialist.

From Our Practice

A pattern we see regularly: patients arrive having been told by their GP that their liver function tests are "mildly abnormal" but that they should "wait and see." In many cases, an abdominal ultrasound performed the same week reveals a clear cause — most commonly fatty liver disease or gallstones — that changes the clinical management immediately. Early investigation avoids months of uncertainty and, in some cases, prevents a condition from progressing to a point where it is harder to treat.

Frequently asked questions

Is an abdominal ultrasound scan painful?

No. The scan is entirely painless. You may feel mild pressure from the probe, particularly over tender areas, but there is no discomfort from the ultrasound itself.

Can an abdominal ultrasound detect cancer?

Ultrasound can detect many types of abdominal mass and is often the first investigation that identifies a lesion requiring further assessment. It cannot definitively diagnose cancer — that requires biopsy — but it can identify suspicious features that prompt urgent onward referral.

Do I need a GP referral?

No. You can book directly at Sonoworld without a GP referral. Your written report can then be shared with your GP or specialist.

Can I eat before an abdominal ultrasound?

No. You must fast for 4–6 hours before the scan. Eating causes the gallbladder to contract and the bowel to fill with gas, both of which significantly reduce image quality. Water is permitted.

How is a private abdominal ultrasound different from an NHS scan?

The ultrasound technology is the same. The difference is access: at Sonoworld you can book within 24–48 hours, choose your appointment time, and receive your verbal results and written report the same day. On the NHS, the average wait for an abdominal ultrasound is currently 6–12 weeks in most areas.

What is the difference between an upper abdominal scan and an abdomen and pelvis scan?

An upper abdominal scan covers the liver, gallbladder, spleen, kidneys, and pancreas. An abdomen and pelvis scan adds the bladder and pelvic organs (uterus and ovaries in women; prostate and seminal vesicles in men). If you have both upper abdominal and pelvic symptoms, the combined scan is more cost-effective.

Sonoworld is registered with the Care Quality Commission (CQC). Our sonographers are registered with HCPC and are members of BMUS. All scans are performed at our Marylebone clinic: 29 Weymouth Street, London W1G 7DB.

Book Your Upper Abdominal Ultrasound Scan at Sonoworld

Same-day and next-day appointments available at our Marylebone clinic. Instant verbal results. Written report within 24 hours. No GP referral required.

Price: £235

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Or call us on 020 3633 4902

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