Lab test
Mercury, Urine Test
Below is a plain-language overview of the mercury, urine test. This test measures the amount of mercury in your urine. It helps assess recent exposure to this heavy metal.
What this test is
A urine test for mercury is used to detect and measure the presence of mercury in the body. Mercury is a naturally occurring element that can be toxic in certain forms and amounts.
What it measures
- Mercury — reflects recent exposure to mercury
What the test involves
This test requires you to provide a urine sample. You will collect the sample yourself in a sterile container provided by the collection facility.
Why it is often ordered
Clinicians may order this test if they suspect a person has been exposed to mercury. It can help evaluate potential sources of exposure, such as certain foods or environmental factors.
Preparation
Follow the specific instructions provided by the collection laboratory regarding sample collection. Some labs may have dietary or medication restrictions prior to the test.
How results are reported
Your results will indicate the level of mercury detected in your urine sample. Reference ranges, which define what is considered normal, vary between laboratories.
Before you go
- Specific collection instructions
- Hours of operation
- How to interpret results
FAQ
Frequently asked questions
What are common sources of mercury exposure?
Common sources include certain types of fish, dental amalgams (fillings), and some industrial products. Exposure can also occur through environmental contamination.
How is mercury eliminated from the body?
The body eliminates mercury primarily through urine and feces. The rate of elimination depends on the form of mercury and individual factors.
Can I eat normally before the test?
It is best to confirm with the specific collection lab. Some labs may advise avoiding certain fish or other mercury-containing foods for a period before the test.
What does a high mercury level mean?
A high level of mercury in urine may indicate recent or ongoing exposure. Your healthcare provider will interpret these results in the context of your health history and potential exposure sources.
Related
Related tests
Locations
Request Mercury, Urine Test by state
Choose a state for local context.