Copper (Serum)
The serum copper test measures the amount of copper in the blood. It helps assess nutritional balance and disorders of copper metabolism.
Turnaround time
5 days
Biomarkers count
1
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Details about Copper (Serum)
What is the Copper (Serum) test?
The Copper (Serum) test measures the concentration of copper circulating in the blood. Copper is an essential trace mineral involved in energy production, connective tissue formation, nervous system function, and iron metabolism.
In the bloodstream, most copper is bound to proteins, particularly ceruloplasmin. Measuring serum copper provides insight into overall copper status but is often interpreted alongside related markers when copper metabolism disorders are suspected.
This test is commonly used in nutritional assessment, liver disease evaluation, and investigation of inherited copper metabolism conditions.
Why do I need a Copper (Serum) test?
Both low and high copper levels can have significant health implications. Testing helps identify imbalances that may contribute to neurological, haematological, or metabolic symptoms.
You may need a Copper (Serum) test if you:
- Have unexplained fatigue or weakness
- Have anaemia not explained by iron deficiency
- Experience neurological symptoms
- Have liver disease
- Are being assessed for nutritional deficiencies
- Take supplements containing copper or zinc
- Have suspected copper metabolism disorders
Symptoms associated with abnormal copper levels may include:
- Fatigue
- Headaches
- Neurological changes
- Anaemia
- Gastrointestinal symptoms
Benefits of the Copper (Serum) test
- Assesses copper nutritional status
Helps identify deficiency or excess. - Supports investigation of metabolic disorders
Relevant in copper handling abnormalities. - Useful in liver disease assessment
Copper metabolism is closely linked to liver function. - Supports neurological investigations
Copper imbalance can affect the nervous system. - Simple blood test
Requires only a single blood sample. - Clinically recognised marker
Used in standard laboratory testing. - Supports safe supplementation decisions
Helps guide mineral intake. - Useful for ongoing monitoring
Allows follow-up of copper status over time.
Step by step – how the test works
You can access Copper (Serum) testing UK-wide through two options:
- Clinic appointment
Choose your nearest UK clinic, where a healthcare professional will take your blood sample. - At-home or hotel visit (£60 extra)
A qualified phlebotomist comes to your home or hotel, so you don’t need to travel.
Your sample is analysed in an accredited UK laboratory, and results are delivered securely.
Your results explained
Low serum copper levels
May indicate dietary deficiency, malabsorption, or excessive zinc intake.
Typical UK reference range:
- < 11 µmol/L
Normal serum copper levels
Suggest adequate copper status and normal copper metabolism.
Typical UK reference range:
- 11–25 µmol/L
High serum copper levels
May be associated with inflammation, liver disease, or disorders of copper metabolism.
Typical UK reference range:
- > 25 µmol/L
Reference ranges may vary slightly between laboratories and clinical context.
How It Works
Simple steps to get your results
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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.
Get Your Results
Your sample is analysed by accredited UK laboratories, with secure results delivered directly to you.
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WhatsApp UsHow 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.