A case of false positive opiate immunoassay results from rifampin (rifampicin) treatment

The drug screen test on a 12-year-old male patient was positive for opiates by a kinetic interaction of microparticles in solution (KIMS) immunoassay method on the Roche Cobas C502. The positive opiates result was not confirmed by the liquid chromatography-tandem mass spectrometry (LC-MS/MS) method....

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Bibliographic Details

Published in:	Practical Laboratory Medicine
Main Authors:	K.H. Brian Lam, Lu Song, Vincent Buggs, Gopal Vithlani, Imir G. Metushi
Format:	Article
Language:	English
Published:	Elsevier 2023-11-01
Subjects:	Rifampin Opiate HPLC LC-MS/MS False-positive
Online Access:	http://www.sciencedirect.com/science/article/pii/S2352551723000288