The mercury urine test evaluates mercury levels in the body by examining a urine sample, primarily to detect exposure to metallic or inorganic mercury. Mercury is a toxic heavy metal that can enter the body through polluted air, contaminated water, certain high-mercury foods (such as some fish), or by absorption through the skin. It may also be present in some industrial and alternative health products. There are three types of mercury—metallic, inorganic, and organic (methyl mercury)—and each has distinct health risks. Mercury can affect key organs, including the kidneys, brain, and nervous system, especially with prolonged exposure. This test is particularly useful for individuals frequently exposed to mercury, such as workers in specific industries. Urine testing reflects an average history of mercury exposure, helping healthcare providers assess long-term impacts on health. For people in high-risk environments, regular mercury urine testing helps ensure early detection and management of potential mercury toxicity.

Prerequisites: Fasting is not necessary, a blood sample is required for the test. Best Time to Get Tested: The test can be taken at any time of the day unless otherwise advised by a doctor. When Recommended: To be conducted as per the doctor’s prescription. Cautions: No specific precautions are required before the test.

A urine mercury test helps detect exposure to metallic or inorganic mercury, especially in individuals with occupational or environmental contact. High levels may indicate mercury poisoning, guiding necessary treatment.