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Copper in Serum (Mass Concentration)

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of copper, a trace mineral essential for various bodily functions, found in your blood serum.

Quick summary

["Your body needs copper to stay healthy, but too much or too little can affect your health."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
87472-7
Short code
Copper Spec-mCnt
Synonyms
Copper Spec-mCnt
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like fatigue, hair loss, or skin problems that could be linked to copper imbalance. It may also be used to monitor conditions like Wilson’s disease or to check for copper deficiency or toxicity, especially if you have a history of liver disease or certain genetic disorders.

What to Expect Before the Test

No special preparation is usually needed. You may be asked to fast for 8–12 hours before the test if it’s part of a broader metabolic panel, but this depends on your provider’s instructions. Bring any medications or supplements you’re taking to your appointment.

How the Test Works

A small blood sample is drawn from a vein in your arm. The sample is sent to a lab where copper levels are measured using a specialized analytical technique to determine its concentration in your serum.

What the Results Mean

Results are compared to a general reference range, but exact values can vary by lab. Low levels may suggest copper deficiency, while high levels could indicate conditions like Wilson’s disease or liver dysfunction. Your provider will discuss the results in the context of your overall health.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Copper is vital for iron metabolism, red blood cell production, and immune function. Low copper levels may lead to anemia, weakened immunity, or neurological issues, while excessive copper can damage organs like the liver or kidneys. This test helps diagnose and monitor copper-related disorders.

Short name

Serum Copper

Frequently asked questions

How often should I get this test?
The frequency depends on your health status. If you have a known condition affecting copper levels, your provider may recommend regular monitoring. Otherwise, this test is often part of a broader evaluation when symptoms or risk factors arise.
What causes copper levels to be too high or too low?
High copper levels can result from liver disease, Wilson’s disease, or certain medications. Low levels may occur due to poor diet, malabsorption issues, or conditions like Crohn’s disease. Lifestyle factors, such as heavy alcohol use or certain supplements, can also influence copper balance.
Can diet affect copper test results?
Yes, diet can influence copper levels. Foods rich in copper, like organ meats, shellfish, nuts, and seeds, may temporarily raise levels. Avoiding copper-rich foods for a few days before testing can help ensure more accurate results, but always follow your provider’s specific instructions.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy