Lab test

Copper, Blood Test

A copper blood test measures the level of copper in the blood.

Typical price

From $124

Results

1-3 business days

Preparation

See preparation notes below

Sample

Blood draw or sample collection at a local center

A copper blood test measures the level of copper in the blood. Copper is a trace mineral involved in iron metabolism, energy production, and the formation of connective tissue and red blood cells. The test may be ordered when a provider suspects a copper deficiency or excess, or when evaluating certain liver, neurological, or blood conditions. It is often interpreted alongside other tests, such as ceruloplasmin, because most copper in the blood is bound to that protein. Results depend on diet, absorption, and how the body stores and transports copper.

• Copper (serum or plasma) Measures the amount of copper circulating in the blood.
• Ceruloplasmin May be measured because most blood copper is bound to this protein.

• People with a suspected copper deficiency or excess
• Individuals being evaluated for liver or neurological conditions
• People with anemia that does not respond to usual causes
• Those with malabsorption or prolonged poor nutrition

• A morning draw may be preferred.
• Fasting is sometimes requested.
• Tell the collector about copper supplements or medicines you take.
• Follow any instructions provided for your specific panel.

A low copper level may suggest deficiency, which can relate to diet, absorption, or increased losses, while a high level may occur with excess intake or certain conditions affecting copper storage. Because copper is bound to ceruloplasmin and influenced by inflammation, results are interpreted together with other tests and your history. Discuss them with a healthcare provider.

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