Serum Free Copper Concentration
This test measures the amount of copper present in your blood as it circulates freely (not bound to proteins). Copper is an essential mineral involved in many bodily functions, including energy production and immune support.
["Your doctor may check free copper levels to monitor copper metabolism or identify potential deficiencies or excesses."]
Key facts at a glance
- LOINC
- 96256-3
- Short code
- Copper free SerPl-sCnc
- Synonyms
- Copper free SerPl-sCnc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 86430
- 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 or conditions linked to copper metabolism, such as Wilson’s disease (a genetic disorder affecting copper storage) or signs of copper toxicity. It may also be part of routine monitoring for patients with chronic kidney disease or those taking certain medications that affect copper levels.
What to Expect Before the Test
No special preparation is needed for this test. You’ll typically have a small needle inserted into your arm to draw blood. If you’re on blood thinners or have a history of bleeding issues, let your doctor know before the test.
What the Results Mean
Results are compared to general reference ranges for healthy adults, but individual needs vary. Abnormal levels may signal underlying health concerns that require further evaluation, such as liver disease, kidney problems, or genetic disorders.
Common Conditions Linked to Copper Levels
High free copper levels might indicate conditions like Wilson’s disease or liver dysfunction, while low levels could suggest malabsorption, certain medications, or genetic factors impairing copper uptake. Your doctor will interpret results in the context of your overall health.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical significance: Elevated or low free copper can signal systemic health issues, including genetic disorders, organ dysfunction, or medication interactions. Regular monitoring may be needed for patients with chronic conditions affecting copper metabolism.
Short name
Free Copper
Frequently asked questions
What causes free copper levels to be checked?
How long does it take to get results?
Can diet affect free copper levels?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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