ALT (Alanine Aminotransferase) (SGPT) Test

This private blood test measures alanine aminotransferase, a liver enzyme used to check for liver cell damage. The test costs £39.38, plus a £50 blood-draw fee, with results usually available in 1 day.

You can walk in or book online at 117a Harley Street, seven days a week.

Written by Mr Stephen Lingam. Reviewed by Dr Mohammad Bakhtiar (GMC 4694470) on 28/09/2026.

What does the ALT (Alanine Aminotransferase) (SGPT) test measure?

It measures alanine aminotransferase, a liver enzyme used to check for liver cell damage.

What is the price?

The test costs £39.38. A separate £50 blood-draw fee applies.

How long do results take?

Results are usually available in 1 day.

Do I need a referral?

No GP referral is needed. You can walk in or book online.