Private Blood Test Referral Online Same Day
Need blood tests but can’t get a GP appointment? Get a private blood test referral from an GMC registered doctor issued the same day, accepted by all major private laboratories in the UK.
Full Range of Blood Tests
Our doctors can refer you for individual tests or full panels. Tell us what you need and our doctor will determine the most appropriate request.
Full Blood Count (FBC)
Red cells, white cells, platelets, haemoglobin a complete overview of your blood health
Thyroid Function (TFT)
TSH, T3, T4 checking thyroid activity for fatigue, weight changes, mood issues
Iron Studies
Ferritin, serum iron, TIBC diagnosing iron deficiency and anaemia
Vitamin D & B12
Common deficiencies linked to fatigue, bone health, mood and immune function
Cholesterol & Lipids
Total cholesterol, LDL, HDL, triglycerides cardiovascular risk assessment
Liver Function (LFT)
ALT, AST, bilirubin, albumin assessing liver health and function
Kidney Function (U&E)
Creatinine, urea, electrolytes checking kidney health and filtering capacity
HbA1c / Diabetes Check
Blood sugar control over 3 months screening and monitoring for diabetes
Hormone Panel
FSH, LH, oestrogen, testosterone, cortisol fertility, menopause, hormonal issues
Inflammatory Markers
CRP, ESR detecting inflammation linked to autoimmune conditions and infection
Coeliac & Allergy
tTG-IgA, specific IgE panels screening for coeliac disease and food allergies
Other / Custom Panel
Tell us what you need in the form and our doctor will create the right request
Private Blood Tests vs Waiting for Your GP
A straightforward comparison of getting private blood tests vs waiting for a GP appointment in the UK.
Four Steps to Your Referral
Complete our online form, and our doctor reviews your case and issues your referral letter all without leaving home.
Complete the form
Tell us about your symptoms, how long you’ve had them, and which specialist or clinic you’d like to be referred to.
Doctor reviews
An GMC registered doctor reviews your symptoms and history, determines the appropriate tests, and prepares your blood test request form.
Issued same day
Your referral letter is issued within 2–4 hours during business hours and sent directly to your email as a PDF.
Book your appointment
Bring the referral to your chosen lab TDL, Spire, Sonic Healthcare or your local private lab. Book online or walk in.
Common Reasons People Get Blood Test Referrals
Can’t get a GP appointment
GP waiting lists can stretch weeks. Our blood test referral lets you walk into a private lab the same day without waiting for a GP slot.
Monitoring your health
Want a full health check cholesterol, thyroid, vitamin levels, blood sugar without waiting for an NHS appointment? We can help.
Symptoms with no answers
Persistent fatigue, hair loss, weight changes, brain fog? Blood tests can identify the underlying cause. We help you get them done quickly.
Pre-travel or pre-surgery check
Need bloods done before travelling or ahead of a procedure? We issue the referral so you can get results fast through a private lab.
Issued by a GMC Registered Doctor
Accepted by Major Private Laboratories
What Our Patients Say
Had fatigue for months and couldn’t get a GP appointment. Sicknote sorted me a full bloods referral within a couple of hours. Turned out I was severely vitamin D deficient.”
Needed thyroid and hormone bloods done urgently. Sicknote issued the referral same day, walked into a TDL centre the next morning. Straightforward and professional.”
New to the UK without a GP. Used Sicknote for a full health check panel. Spire accepted the referral and I had results within 48 hours. Would definitely use again.”
Common Questions
Which labs accept Sicknote blood test referrals?
Our blood test referrals are accepted by all major private laboratories in the UK, including TDL, Spire, Sonic Healthcare, and private hospital labs such as Blackrock Clinic and HCA Healthcare.
Do I need to have seen a GP first?
No. You do not need a previous GP consultation. Our doctor assesses your symptoms directly from the questionnaire and requests the appropriate tests. Many patients use us specifically because they cannot get a GP appointment.
How long does it take?
Most referrals are reviewed and issued within 2–4 hours during business hours (Mon–Fri 9am–6pm). If ordered outside these hours, it will be ready the following morning.
Can I request specific tests?
Yes. You can specify which tests you want in the form for example, “full blood count, thyroid function and iron studies”. Our doctor will review and confirm the request is clinically appropriate before issuing.
Will my health insurer accept this?
Yes. UK health insurers AXA PPP, Bupa and Aviva accept referral letters from any GMC registered doctor. Our letters include all required details for insurance claims.
What if my referral is declined?
If our doctor determines a referral isn’t clinically appropriate for your situation, we’ll explain why and issue a full refund. Your health and safety come first.
Get Your Blood Test Referral Today
Skip the GP waiting list. Get a private blood test referral from an GMC registered doctor in hours, not weeks.