Melatonin (Urine) Blood Test Marylebone
From 1 October 2026 — until then book at South Kensington or St Paul's. South Kensington · St Paul's
£166
Confidential Results
Secure online portal
Fast Results
2 weeks"
Professional Service
Experienced phlebotomists
Wimpole Street, Marylebone (opening 1 October 2026)
Opening hours from 1 October 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
Melatonin (Urine) is an urine tests test concerned with sleep hormone test, pineal gland and circadian rhythm, run on a catheter urine sample. At Wimpole Street it is priced at £166 for everyone and, from 1 October 2026, a nurse or phlebotomist takes the sample at 22 Wimpole Street, Marylebone. The laboratory quotes 2 weeks; the report, with reference ranges, is delivered to your secure portal for you to discuss with your GP or a clinician.
Melatonin (Urine)’s place in urine tests testing
- Sample
- catheter urine sample
- Laboratory turnaround
- 2 weeks
- Appointment
- 20 minutes
- Standard price
- £166
Preparing for your Melatonin (Urine)
- 1For culture, collect a mid-stream sample: start passing urine, then catch the middle portion in the container without touching the inside.
- 2An early morning sample is preferred for protein and albumin ratios, as it is less affected by exercise and posture.
- 3For 24-hour collections, discard the first morning void, collect everything for the next 24 hours including the following morning’s first void, and keep the container cool.
- 4Some tests require an acid preservative already in the bottle — do not rinse it out, and follow the written instructions supplied.
Sample for this test: catheter urine sample.
What Melatonin (Urine) measures
Laboratories file the Melatonin (Urine) under sleep hormone test, pineal gland and circadian rhythm. The following sections set out how an urine tests test of this kind is measured and read.
Urine tests range from simple chemistry and microscopy — protein, glucose, blood, white cells, crystals — through culture to identify the bacteria behind an infection and their antibiotic sensitivities, to quantitative measurements of what the kidneys excrete over 24 hours, such as calcium, protein, cortisol, catecholamines or metanephrines. Ratios against creatinine, like albumin-to-creatinine, correct for how dilute the sample is and allow a single random sample to stand in for a timed collection. Urine cytology examines cells shed from the urinary tract.
Who considers Melatonin (Urine)
- People often consider a urine test if they have burning, frequency or urgency suggestive of a urinary infection, especially when symptoms recur.
- Those with diabetes or high blood pressure check urine albumin periodically for early kidney involvement.
- Visible blood in the urine, or blood found on a dipstick, commonly leads to microscopy, culture and sometimes cytology.
- Kidney stones prompt 24-hour urine chemistry to look for the underlying cause.
- Hormone and metabolite measurements in urine are often requested when a clinician is investigating blood pressure, adrenal or endocrine questions.
Understanding your Melatonin (Urine) results
A culture growing a significant number of a single organism can indicate infection, and the sensitivity report shows which antibiotics are likely to work; mixed growth often reflects contamination and may need a repeat. Raised albumin-to-creatinine ratio on two or more occasions can indicate early kidney damage, while protein, blood or abnormal cells generally lead to further assessment. Timed urine hormone results are interpreted against the total volume collected and your medications.
Urine results are very sensitive to how the sample was collected and stored, so an unexpected result is often repeated before conclusions are drawn.
Related areas of testing at Wimpole Street: kidney function and electrolytes, adrenal and cortisol, swab tests, diabetes, glucose and HbA1c.
Pricing
Melatonin (Urine)
Individual test
Total
£166Payment is collected at the clinic. The phlebotomy fee is charged once per visit, regardless of the number of tests booked.
From booking the Melatonin (Urine) to reading your result
- 1
Choose your test
Select the Melatonin (Urine) and any others you want run from the same visit. Until 1 October 2026 the identical test can be booked at South Kensington or St Paul’s.
- 2
Nurse-led sample
From 1 October 2026 the catheter urine sample 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 2 weeks 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 October 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 October 2026)
- Bond Street — about 6 minutes (Central, Jubilee & Elizabeth lines)
- Oxford Circus — about 7 minutes (Central, Bakerloo & Victoria lines)
- Analysis is carried out by a UKAS-accredited partner laboratory, so methods and reference ranges match those used across the NHS.
- Evening appointments until 8pm on Tuesday and Thursday, and Saturday opening, are planned from day one.
- Samples are taken by a nurse or phlebotomist at 22 Wimpole Street, Marylebone, in a clinic built for medical and dental care.
Other tests often considered alongside Melatonin (Urine)
- Urine Cytology (Urine cytology containers available from TDL Supplies)Wimpole Street, Marylebone · from 1 October 2026
- Protein (Urine)Wimpole Street, Marylebone · from 1 October 2026
- Urate (Uric acid)Wimpole Street, Marylebone · from 1 October 2026
- Uric Acid (Urine)Wimpole Street, Marylebone · from 1 October 2026
Frequently Asked Questions
A catheter urine sample. A nurse or phlebotomist collects it at 22 Wimpole Street, Marylebone from 1 October 2026; the appointment allows time for identity checks and any preparation questions. The laboratory quotes 2 weeks for this test.
Ready to Book Your Test?
Wimpole Street opens 1 October 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 Melatonin (Urine) 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 October 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.
