immunoassay
/ˌɪmjənoʊˈæseɪ/
noun
- A laboratory test that uses antibodies to detect the presence or amount of a substance (such as a hormone, drug, or virus) in a sample.
- The lab technician ran an immunoassay to measure the level of vitamin D in the sample.
- Pregnancy tests are a common type of immunoassay that detects a specific hormone.
- The hospital used an immunoassay to check the patient's blood for thyroid hormones.
Synonyms