See Also: Hegg Memorial Health Center Avera Health(health)
Divine Providence Health Center Avera Health(health)
Dells Area Health Center Avera Health(health)
assay(dictionary)
Assay(health)
ASSAY(law)
Assay, NSE(health)
Assay, CEA(health)
LH assay(medicine)
Assay(money)

Assay (health)


An assay is an analysis done to determine: 1. The presence of a substance and the amount of that substance. Thus, an assay may be done for example to determine the level of thyroid hormones in the blood of a person suspected of being hypothyroid (or hyperthyroid). 2. The biological or pharmacological potency of a drug. For example, an assay may be done of a vaccine to determine its potency.