Blood tests (phlebotomy)

New: Book your blood test online—see 'your appointment' below

What we do

Our phlebotomy services at both hospitals use blood tests to assess the general health of our patients, confirm the presence of a bacterial or viral infection, see how well organs are functioning and to screen for genetic conditions. We provide an outpatients service for patients referred to us by their GPs and also within our hospital clinics.

Your appointment

  • Please book an appointment online
  • Wear clothing that gives easy access to your arm (eg short sleeves or sleeves that can be rolled up)
  • Please arrive no earlier than 5 minutes before your appointment time
  • Please adhere to social distancing guidelines in the waiting area and wear a mask
  • Please attend alone unless you require a carer or translator
  • On arrival, please collect a ticket and wait to be called
  • If you cannot make your appointment, please let us know as soon as possible so that the appointment can be made available to another person

The majority of blood tests do not require any special requirements before attending. If your doctor has requested a specific test that requires you to do certain things before coming to the department (eg not to eat anything for a certain number of hours), the doctor will let you know what you need to do before attending your blood test.

If you or a member in your household have any COVID-19 symptoms, please do not visit the hospital. You need to reschedule your appointment at least 2 weeks after symptoms have developed. Staff follow strict infection control procedures to keep you safe. We aim to see all patients with 30 minutes of their arrival time.

GP referrals (Chelsea and Westminster Hospital only)

Please ensure that you bring a paper copy of your test request form with you. We will be unable to take or process your blood without this form. We are unable to print your request at the hospital.

Contact information

Chelsea and Westminster Hospital

T: 020 3315 5597

We are located on the Lower Ground Floor, Lift Bank C.

Our walk-in service is open Mon–Fri, 8am–4:30pm.

Due to busy clinics in the morning, we advise patients to attend in the afternoons when the waiting times are usually shorter as we do not operate on an appointment system except for Glucose Tolerance Tests (GTTs).

West Middlesex University Hospital

T: 020 8321 5310

We are based in the East Wing, next to the canteen on the Ground Floor.

Our walk-in service is open Mon–Fri, 8am–4:30pm.


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