What does the term mean?
A liquid biopsy is a test that examines a body-fluid sample for biological material associated with a particular purpose. Some tests use blood, but sample type and test design are not the same across all liquid biopsies.
About liquid biopsy
Understand the test before you consider the result.
“Liquid biopsy” describes a category of tests that analyze biological material in body fluids. The sample and what is measured vary with the specific test.
What can differ by test?
The markers analyzed, intended use, method, evidence, limitations, laboratory, and regulatory status are specific to each test. Confirm the details for the particular test you are asking about.
How should I interpret results?
A qualified healthcare professional can explain a result in context. Results from a test should not be the sole basis for health or treatment decisions.
Does it replace other testing?
A liquid biopsy is not intended to replace other testing your clinician may recommend. Ask your healthcare professional how a specific test fits with other assessments or follow-up.
A note on test status
No specific test, laboratory, availability, or regulatory status is identified on this site. FDA review or authorization varies by test. Ask the test provider and your healthcare professional for current, test-specific information before making a decision.