Skip to content
Croydon Clinic is now open - St. Georges Walk Shopping Centre CR0 1YJ
Croydon Clinic is now open - St. Georges Walk Shopping Centre CR0 1YJ

THE POWER TO MANAGE YOUR HEALTH

Hello. My name is Dr. Adam Staten and I am the Clinical Director at One Day Tests. Here you can book a blood test and get results with doctor’s comments - all in one day.
You don't need a referral

Routine and specialised blood tests available for everyone. 300+ biomarkers.

Walk-in clinics

Come into our clinic and have your blood sample taken from your vein (or finger prick, if you prefer!)

Home test kits

Get the home finger-prick test sent to you. Return to us via courier, for next day results.

Registered laboratory

Our own CQC registered laboratory for fast turnaround times and flexibility.

Quick test finder

Quick test finder

Find what you need in under 30 seconds with our (very clever!) test finder. We offer a huge range of markers all a few clicks away, as well as fastest turnaround times.

Find your test
Quick test finder

Quick test finder

Find what you need in under 30 seconds with our (very clever!) test finder. We offer a huge range of markers all a few clicks away, as well as fastest turnaround times.

Find your test
Sample collection clinics

Sample collection clinics

We operate our own phlebotomy walk-in clinics where you can have the same day appointment and the same day results, with your blood sample taken by a professional, highly trained phlebotomy nurse.

Don't like the needle? No problem, we can also do finger pricks at all of our clinics - quick and simple.

Book your appointment
Home sample collection kit

Home sample collection kit

No time for an appointment? No problem, we'll send you a home finger prick test kit.

It's simple and convenient as you don't need an appointment, just send it back to us when you are done.

All of our analysers are calibrated for both capillary (finger prick) and venous (from the vein) blood so you can choose what suits you best.

In-house CQC regulated laboratories

In-house CQC regulated laboratories

We believe in managing our own, state of the art diagnostics and screening laboratory facilities.

Our main laboratory is headquartered in West Sussex and caters for a full range of haematology, biochemistry and immunoassay screens.

DPD Priority Routing Network

DPD Priority Routing Network

One Day Tests is the first diagnostics provider awarded the right to transport our home kits on the DPD priority network.

This means that your blood arrives arrives in our laboratory by 10am the next day, ready to be analysed.

Blog posts

  • What is Pre-Diabetes?
    September 1, 2023 Adam Staten

    What is Pre-Diabetes?

    The idea of pre-diabetes is a relatively new concept and reflects a more pro-active approach to the identification of those at risk of diabetes and a more pro-active approach to the prevention of diabetes. By identifying pre-diabetes, we gain the opportunity to act, the opportunity to reverse the trends of rising blood sugar that will eventually lead to diabetes.
    Read now
  • Vitamin B12
    September 1, 2023 Adam Staten

    Vitamin B12

    Like all vitamins, B12 is a substance that our body can’t make for itself but needs in small but vital amounts that we get from our diet. Vitamin B12 is most abundant in meat, fish, eggs and dairy products. As you can see from this list, vitamin B12 can be lacking from vegetarian and vegan diets and, as these types of diet have become more popular, vitamin B12 deficiency has become more common.
    Read now