Copper – what do your numbers mean?
Have you had your Copper level measured and are unsure what the numbers mean? Here's a clear explanation of the normal range, what high or low levels can mean, and when it makes sense to get tested.
What is the normal range for Copper?
What is the normal range for Copper?
The normal range for copper in the blood varies depending on age, sex, and the laboratory's measurement methods. Generally, the reference interval for serum copper in adults is between 12.5 and 34.2 µmol/L. In children, values may be slightly lower, and women may have slightly higher values than men, especially during pregnancy, as estrogen increases copper concentration. It is important to note that laboratories may have different reference intervals based on their measurement methods. Being close to the limit can indicate incipient imbalances that should be investigated further to identify any underlying causes.
What does a low level mean?
A low level of copper in the blood can lead to symptoms such as fatigue, weakness, neurological problems like numbness or tingling in the extremities, and in severe cases, anemia and osteoporosis. The most common causes of low copper levels include genetic disorders such as Menkes disease, malabsorption conditions such as celiac disease, or insufficient copper intake through diet. Particularly vulnerable groups include infants fed milk with low copper content and individuals receiving long-term parenteral nutrition without adequate copper supplementation. If low copper levels are suspected, a doctor should be contacted for further examination and possible treatment.
What does a high level mean?
A high level of copper in the blood can be toxic and lead to symptoms such as nausea, vomiting, abdominal pain, diarrhea, and in severe cases, liver damage and neurological symptoms such as confusion or altered behavior. The most common causes of elevated copper include genetic disorders such as Wilson's disease, excessive copper intake from supplements, or exposure to copper through contaminated drinking water. If symptoms of copper poisoning are experienced, immediate medical attention should be sought. Treatment may include medication that binds copper, and in severe cases, dialysis may be necessary.
Get your Copper level tested
At Celto, you can order a blood test for Copper directly online – without a referral from your doctor and without long waiting times. We have over 34 blood sample collection points at public hospitals throughout Denmark, and your samples are analyzed at the same accredited laboratories used by the rest of the healthcare system. You will receive your results directly on sundhed.dk, just like all other blood tests from the public system.
How it works
When you order a blood test from Celto, you choose which markers you want tested – no doctor's referral needed. After your purchase, you will receive an email with a link to our booking system, where you choose a time and location. The blood test itself is taken by authorized healthcare personnel and typically only takes a few minutes.
Where you can get tested
Celto has over 34 blood sample collection points at public hospitals and clinics throughout Denmark. You choose the location that suits you best among our partners, and there are typically available appointments within a few days. Find your nearest blood sample collection point →
How to get your results
Your blood samples are analyzed at the same laboratories used by your own doctor and the rest of the healthcare system – the exact same quality and the same tests. You will receive your results directly on sundhed.dk within a few working days, and Celto will also send an easy-to-understand review of your values so you know what the numbers mean.