Blood test department (Phlebotomy) 

A blood test is taking a sample of blood for testing in a laboratory. Blood tests have a wide range of uses and are one of the most common type of medical tests.

For example, a blood test can be used to:

  • assess your general state of health
  • confirm the presence of a bacterial or viral infection
  • see how well certain organs, such as the liver and kidneys, are functioning
  • screen for certain genetic conditions

Please remember we can only perform a blood test if you bring your request forms with you.  If your GP referred you please check that your current GP’s name and address are listed on the referral form to ensure results are sent correctly.


  • Preparing for your blood test

    Please observe any special instructions your referring healthcare professional may relay to you about preparations prior to your blood tests such as:
    If your doctor has asked you to fast please do not eat or drink anything except for water for 12 hours prior to having your blood test.
    Please inform the phlebotomist if you have had any problems with previous blood tests such as feeling faint or if you are taking any blood thinning medications such as warfarin or aspirin.  You may have been asked by your healthcare professional to stop taking a certain medication prior to your test.
  • What a blood test involves

    A test usually involves placing a needle attached to a blood-collecting container into one of the blood vessels in the inside of your elbow or the back of your hand. You will feel a sharp scratch as the needle goes in but this isn't usually particularly painful.

    A sample of blood is then taken and the needle is removed. The staff will apply a cottonwool pad to put pressure on the site of the needle puncture.

    Most blood tests only take a few minutes to complete.

    If you do not like needles and injections, please tell the person who is taking the sample so they can make you more comfortable.
  • Results

    Our phlebotomists send your blood sample to our laboratory where it will be examined and/or tested with chemicals depending on what is being checked.
    Most blood test results are returned to the requesting healthcare professional within a week. 
    Results are not returned to the blood test department.
  • Oral Glucose Tolerance Test by appointment

    The only appointment we require booking for is the Oral Glucose Tolerance Test (OGTT/GTT) which is performed at 235 Euston Road, UCLH Atrium (ground floor) location during the early morning hours of operation. This test requires fasting. Please allow for 2 and a quarter hours for testing completion. Please telephone 020 34470079 to book.


Opening hours

Monday - Friday 8am - 5pm.
The last patient will be called in at 4:45pm

Blood testing services will be closed for all sites on all bank holidays and weekends. Services will operate as usual all other days.

This phlebotomy service is for all walk-in patients (persons who are solely requiring a blood test), including GP patients (Camden & Islington)

PLEASE NOTE: The last patient will be seen 15 minutes prior to closing for all our sites


  • Inpatient services

    Inpatient Phlebotomy Service

    The Phlebotomy Department operates a ‘routine bloods’ service from Monday to Friday, and an ‘urgent bloods only’ service at weekends and public holidays

    • Service runs from 8am - 12pm
    • Completed request forms must be placed in the phlebotomy folder by 8am. Please ensure you have included your bleep number, as the phlebotomist will attempt to contact you if unable to bleed a patient.
    • Phlebotomists will attempt to service all requests present in the folder at 8am. Requests added after 8am will be attempted if time permits, however, it is possible they may not be accepted.
    • After completion of the Phlebotomy ward round, Phlebotomy staff will bleep the requesting clinicians to inform of any patients not bled, and a Phlebotomy handover sheet detailing this will be placed in the phlebotomy folder.
    • If you have requested urgent or fasting bloods please mark this clearly on the request form and phlebotomy staff will aim to obtain these samples first.
    • If bloods are deemed urgent and cannot wait for the phlebotomist to attend then other arrangements must be made to obtain these samples.

    Weekend and Bank Holiday Phlebotomy Service

    Phlebotomy operates an ‘urgent bloods only’ service at weekends and public holidays

    • Service runs from 8am - 2pm
    • Only urgent bloods should be requested during these periods.
  • Outpatients

    • University College Hospital, 235 Euston Road, Ground floor (Atrium), London NW1 2BU
      Monday - Friday, 8am - 4:45pm
    • University College Hospital, 253 Euston Road, First floor, Outpatient, Clinic E, London NW1 2BU
      Monday - Friday, 8:30am - 6pm
    • University College Hospital Macmillan Cancer Centre, Huntley Street, -1 Level, London WC1E 6AG
      Monday - Friday 8:00am - 5.00pm
    • National Hospital for Neurology and Neurosurgery, Queen Square, Basil Samuel Outpatient, London WC1N 3BG
      Monday, Tuesday, Thursday and Friday 8:30am - 4:45pm, Wednesday 8:30am - 5:45pm
    • Hospital for Tropical Diseases, Mortimer Market, Capper Street, Second floor, Outpatient, London WC1E 6JB
      Monday - Friday, 8:30am - 4:45pm
    • UCH at Westmoreland Street, 16 - 18 Westmoreland Street, Ground floor, London W1G 8PH
      Monday - Friday, 8:30am - 5:15pm
    • Elizabeth Garrett Anderson Wing Integrated Antenatal Services, 25 Grafton Way, First floor, London WC1E 6DB
      Monday - Friday, 9am - 5:15pm
  • GP referrals/Community

    • Finsbury Health Centre, 17 Pine Street, London EC1R 0JH
      Monday, Wednesday and Friday 8:30am – 12:30pm
      Tuesday and Thursday 8:30am – 5:30pm
      Lunch closure 1pm-2pm
    • Islington Central Medical Centre, 28 Laycock Street, London N1 1SW
      Monday and Friday, 8:30am – 4:45pm
    • James Wigg Practice, 2 Bartholomew Road, London NW5 2BX
      Monday – Friday, 8am – 4:45pm  *Lunch closure 1pm – 2pm
    • River Place Heath Centre, Essex Road, London N1 2DE
      Tuesday, Wednesday and Thursday 8am – 11:45am
    • University College Hospital, 235 Euston Road, Ground floor (Atrium), London NW1 2BU
      Monday - Friday, 8am - 4:45pm GP patients from Camden & Islington

 Contact details

Blood test department (Phlebotomy)
Ground Floor Atrium (opposite Patient Transport reception/ beside Security and Toilets)
235 Euston Road

General enquiries
Telephone: 020 3447 9051

Other information

GP Results Enquiries: 020 3447 8961/020 3447 9953

Information Governance Lead
Constantine Zagradski
Tel: 020 3447 9051

Service manager - Roy Stuart
Telephone: 020 3447 2326