Elvira Tejedor Hernández

Interference by macro-B12: multicenter evaluation of polyethylene glycol precipitation and establishment of reference intervals using four different immunoassay methods

Abstract Objectives Macro-B12 interference is an underestimated cause of hypercobalaminemia that may lead to misleading clinical interpretations. The aims of this study were to evaluate the diagnostic performance of polyethylene glycol (PEG) precipitation for the detection of mac...