ALEX 3 Allergy Test (Venous) Blood Test Marylebone
From 1 November 2026 — until then book at South Kensington or St Paul's. South Kensington · St Paul's
This test includes:
£409
+ £50 phlebotomy fee (per visit)
+ £50 phlebotomy (per visit)
Confidential Results
Secure online portal
Fast Results
3-4 days
Professional Service
Experienced phlebotomists
Wimpole Street, Marylebone (opening 1 November 2026)
Opening hours from 1 November 2026
- Monday
- 9am – 6pm
- Tuesday
- 9am – 8pm
- Wednesday
- 9am – 6pm
- Thursday
- 9am – 8pm
- Friday
- 8am – 5pm
- Saturday
- 10am – 4pm
- Sunday
- Closed
- Bond Street — about 6 minutes (Central, Jubilee & Elizabeth lines)
- Oxford Circus — about 7 minutes (Central, Bakerloo & Victoria lines)
Wimpole Street, Marylebone
ALEX 3 Allergy Test (Venous) is an allergy panels and profiles test run on a venous blood sample (serum). At Wimpole Street it is priced at £409 for everyone and, from 1 November 2026, a nurse or phlebotomist takes the sample at 22 Wimpole Street, Marylebone. The laboratory quotes 3-4 days; the report, with reference ranges, is delivered to your secure portal for you to discuss with your GP or a clinician.
ALEX 3 Allergy Test (Venous)’s place in allergy panels and profiles testing
- Sample
- venous blood sample (serum)
- Laboratory turnaround
- 3-4 days
- Appointment
- 20 minutes
- Standard price
- £409 + £50 phlebotomy per visit
Preparing for your ALEX 3 Allergy Test (Venous)
- 1No fasting is needed and antihistamines can be continued.
- 2Keep a short symptom diary for a week or two beforehand; it makes the results far easier to interpret.
- 3For large multiplex panels, allow a slightly longer appointment as more blood is drawn.
Sample for this test: venous blood sample (serum).
What ALEX 3 Allergy Test (Venous) measures
Allergy panels measure specific IgE to a group of related allergens in one sample — UK aeroallergens, common foods, nuts and seeds, shellfish and finfish, insects, antibiotics, or a broad screen covering both foods and inhalants. Multiplex tests such as ALEX² report several hundred allergens and components at once from a single blood draw. Profiles built around a symptom, such as allergic rhinitis or eczema, group the allergens most often relevant to that presentation.
Who considers ALEX 3 Allergy Test (Venous)
- People often consider a panel if they have year-round or seasonal nasal symptoms and cannot identify the trigger.
- Those with eczema or asthma that seems to flare with food or environment frequently want a broad first look.
- Reactions to several different foods, or to restaurant meals where the ingredients were unclear, are a common reason for a food panel.
- A large multiplex screen suits people who want one comprehensive assessment rather than several visits.
- Suspected antibiotic allergy is sometimes investigated with a drug panel before a planned course of treatment.
Understanding your ALEX 3 Allergy Test (Venous) results
Each allergen is reported as a class or numeric value; the higher the level, the more likely a genuine reaction, though the pattern across related allergens often matters more than any single number. Broad panels frequently show several positives that reflect cross-reactivity between similar proteins — birch pollen and apple, for example — rather than separate allergies. A report with many low positives is common in atopic people and is interpreted alongside your history rather than treated as a list of foods to avoid.
Panels indicate sensitisation across many allergens at once, so false positives are expected; results should be reviewed with an allergy clinician before any dietary or lifestyle change.
Related areas of testing at Wimpole Street: allergy — specific IgE, food intolerance and digestive sensitivity, inflammation markers, wellness and biochemistry profiles.
Pricing
ALEX 3 Allergy Test (Venous)
Individual test
Phlebotomy Fee
Blood draw by qualified phlebotomist (per visit)
Total
£459Payment is collected at the clinic. The phlebotomy fee is charged once per visit, regardless of the number of tests booked.
From booking the ALEX 3 Allergy Test (Venous) to reading your result
- 1
Choose your test
Select the ALEX 3 Allergy Test (Venous) and any others you want run from the same visit. Until 1 November 2026 the identical test can be booked at South Kensington or St Paul’s.
- 2
Nurse-led sample
From 1 November 2026 the venous blood sample (serum) is taken at 22 Wimpole Street, Marylebone by our nursing team, led by Precious Agbonmamwen, Registered Adult Nurse (NMC 20H1641E). Identity is checked and any preparation questions answered first.
- 3
UKAS-accredited laboratory
The sample travels to a UKAS-accredited partner laboratory, whose methods and reference ranges match those used across the NHS and private sectors.
- 4
Laboratory report to your secure portal
The laboratory report is released to your secure portal — typically from 24 hours; the laboratory quotes 3-4 days for this test. It shows each value against the reference range and flags anything outside it; discuss the report with your GP or a clinician.
Why test at Wimpole Street
Wimpole Street Medical & Dental opens at 22 Wimpole Street on 1 November 2026. Medical services are for patients aged 16 and over; registration with the CQC is in progress ahead of opening.
Wimpole Street, Marylebone (opening 1 November 2026)
- Bond Street — about 6 minutes (Central, Jubilee & Elizabeth lines)
- Oxford Circus — about 7 minutes (Central, Bakerloo & Victoria lines)
- Samples are taken by a nurse or phlebotomist at 22 Wimpole Street, Marylebone, in a clinic built for medical and dental care.
- Analysis is carried out by a UKAS-accredited partner laboratory, so methods and reference ranges match those used across the NHS.
- Self-referral: you choose the test and book directly — no GP referral is needed, and the laboratory report is yours to take to your GP or a clinician.
Other tests often considered alongside ALEX 3 Allergy Test (Venous)
- Atopic Dermatitis/Eczema Profile (14 allergens)Wimpole Street, Marylebone · from 1 November 2026
- Allergy – 10 x Single Individual AllergensWimpole Street, Marylebone · from 1 November 2026
- Allergy – 5 x Single Individual AllergensWimpole Street, Marylebone · from 1 November 2026
- Allergy – Individual AllergensWimpole Street, Marylebone · from 1 November 2026
Frequently Asked Questions
A venous blood sample (serum). A nurse or phlebotomist collects it at 22 Wimpole Street, Marylebone from 1 November 2026; the appointment allows time for identity checks and any preparation questions. The laboratory quotes 3-4 days for this test.
Ready to Book Your Test?
Wimpole Street opens 1 November 2026. Register your interest for the Marylebone diary, or book the same test now at South Kensington or St Paul's.
Important information about the ALEX 3 Allergy Test (Venous) at Wimpole Street
- Medical services at Wimpole Street Medical & Dental are for patients aged 16 and over.
- This is a self-referral service: you choose the test and book directly — no GP referral is needed.
- Nurse-led by Precious Agbonmamwen, Registered Adult Nurse (NMC 20H1641E), who oversees sample-taking standards, infection control and the patient pathway. The nursing team does not interpret results.
- A laboratory result is not a diagnosis and this page is not a substitute for medical advice. We do not provide clinical interpretation of results — please discuss your report with your GP or a clinician, particularly if a value is flagged or you have symptoms.
- CQC registration for Wimpole Street is in progress ahead of the opening on 1 November 2026; our South Kensington and St Paul’s clinics are CQC registered.
- Your results are held on a secure portal and treated as strictly confidential, except where disclosure is required by law.
- If you are seriously unwell, call 999. For urgent advice that is not an emergency, call NHS 111.