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Arsenic (Urine)

Toxicology and Exposure

69.00

The Arsenic (Urine) Test measures arsenic levels excreted from your body, helping detect recent or chronic exposure to this toxic heavy metal.

Turnaround time

5 working days

Biomarkers count

1

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Same-Day Appointments

UKAS Accredited Labs

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Under 18? Patients under 18 can only be seen at GB Medlabs and Clinilabs, Monday to Friday only.

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Details about Arsenic (Urine)

How It Works

Simple steps to get your results

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Book Online

Choose your test online and book in seconds. Select your preferred clinic location or home visit option.

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Visit or Test at Home

Attend one of our UK or London clinics, arrange a home nurse visit, or use a finger-prick kit where available.

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Get Your Results

Your sample is analysed by accredited UK laboratories, with secure results delivered directly to you.

Take control of your health with London Blood Tests

How to Prepare for Your Test

Follow these guidelines for accurate results

Sample Timing

Where possible, attend your blood test between 7am and 12pm. Please wait until any short-term illness or infection has fully resolved before testing. Avoid intense exercise for 24–48 hours beforehand, as this can affect certain markers.

Fasting & Hydration

Fasting is not always required, but some tests may recommend it. If fasting is advised, avoid food for 8–12 hours before your appointment and drink water only. Stay well hydrated, as this helps with sample collection and accuracy.

Medications & Supplements

Continue prescribed medications unless advised otherwise by your clinician. Avoid vitamin, mineral, or biotin supplements for at least 24–48 hours before your test, as these can interfere with results. If you are unsure about any medication or supplement, please let us know before your appointment.

Hormones & Menstrual Cycle

For hormone-related tests, timing within your menstrual cycle may be important. If relevant, follow any specific guidance provided on your test page.

If you have any questions or special circumstances, our team is happy to advise before your appointment.

Frequently Asked Questions

It measures arsenic concentration in your urine to assess recent or chronic exposure to this toxic heavy metal.

Arsenic is eliminated through urine within days, so urine provides a more accurate measure of recent exposure.

No fasting is required, but avoid seafood for 2–3 days before sample collection to prevent false positives from organic arsenic.

It mainly reflects exposure over the past 1–3 days, though long-term accumulation can sometimes cause persistently high readings.

Levels below 50 µg/L are considered normal. Higher levels may indicate environmental or occupational exposure.

Some herbal remedies and supplements (particularly imported or Ayurvedic products) can contain arsenic and falsely elevate results.

Drink clean, filtered water, reduce rice-based meals, and avoid products from contaminated sources. Chelation may be considered for high levels under medical supervision.

Common signs include fatigue, skin discoloration, tingling sensations, hair loss, nausea, and abdominal pain.

Results are available within 10 business days once the sample reaches our UKAS-accredited lab.

It’s optional. However, if your arsenic level exceeds 50 µg/L, a GP review is strongly recommended to interpret the results and plan next steps.