non-specificity

noun

1. the quality or state of being specific.
2. Biochemistry, Pharmacology. the selective attachment or influence of one substance on another, as an antibiotic and its target organism or an antibody and its specific antigen.

n.1876, from French spécificité or else a native formation from specific + -ity. n.

1. The condition or state of being specific.
2. The statistical probability that an individual who does not have the particular disease being tested for will be correctly identified as negative, expressed as the proportion of true negative results to the total of true negative and false positive results.