Copper, Blood Test
Copper, Blood Test can be requested without a referral, and this overview covers what to expect. A copper blood test measures the amount of copper in your blood. Copper is a mineral your body needs in small amounts for red blood cells, nerves, and energy use. Doctors order this test when they suspect too little or too much copper, or to monitor a known condition.
- Sample type
- blood
- Category
- Heavy Metal
- Turnaround
- 1-3 business days
- Price
- $124
- Referral
- Not required
A copper blood test measures the amount of copper in your blood. Copper is a mineral your body needs in small amounts for red blood cells, nerves, and energy use. Doctors order this test when they suspect too little or too much copper, or to monitor a known condition.
What it measures
- Total copper (serum or plasma) — The main measurement; shows how much copper is circulating in your blood.
- Free (unbound) copper — Copper not attached to a carrier protein; may be calculated from total copper and ceruloplasmin.
- Ceruloplasmin — A protein that carries most copper in the blood; often measured alongside copper.
- Reference range comparison — Your result is compared with a lab range, which can vary by age, sex, and lab.
Who it is for
The test is typically ordered by a primary care doctor, neurologist, or gastroenterologist when symptoms suggest a copper imbalance or when monitoring a diagnosed condition.
Preparation
No fasting is usually required for a copper blood test. Tell your healthcare provider about all supplements, vitamins, and medications you take, because some can affect copper levels.
Results and what they mean
Results are reported as a number with a reference range, often within 1 to 3 business days. A clinician interprets your result along with symptoms, other tests, and your history; a single value rarely gives a full picture. This is general information, not medical advice.
How to order this test
- Choose the test and place a confidential order online.
- Select a certified collection site and pick a time that suits you.
- Have your specimen collected — most draws take only a few minutes.
- Review results in a secure portal, typically within 1–3 days.
Preparation, hours, and pricing vary by site; confirm details directly with the lab before your visit.
Availability by state
Direct-access online ordering for the copper, blood test is available in most states. It is currently unavailable in 6 states:
Everywhere else you can order confidentially and collect your sample at a certified site. Browse by state →
Frequently asked questions
Do I need to fast before this test?
Usually no. Follow any instructions your ordering provider gives you.
Can diet or supplements change my result?
Yes. Copper supplements, zinc, and some foods can affect levels. Tell your provider what you take.
Is one high or low result a diagnosis?
No. Results are interpreted with symptoms and other tests. Ask your clinician what your result means for you.
How long until I get results?
Many labs return copper blood test results within 1 to 3 business days.