Immunoassay screening tests provide rapid and reliable results for Urine Drug Tests. On occasion a positive result is questioned by a client. Is the positive test a “False Positive” result, i.e. caused by a substance other than the intended drug for the assay. On the other hand, the patient may be taking a drug that is not readily identified as a member of a Drug Class. The following table summarizes the immunoassays that are performed at Ammon Analytical laboratory and their respective cross-reactivity information.
Cross-reactivity information PDF: Cross Reactivity
Post Written by: Jerry Meenan