4 results
How to Determine a Contaminant vs True Infection 

What is the organism? Most 
common contaminants:
common for coag-neg ... #Contaminant #Contamination ... Diagnosis #BCx #Laboratory ... #Interpretation
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... • Cell wall component ... translocation), Contamination ... #FalsePositives ... #Laboratory #sensitivity
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
*, hemp foods: tea ... #FalsePositives ... DrugScreening #UDS #Testing ... #Laboratory #diagnosis
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
nonhuman heme (eg ... of peroxidases (eg ... non-Gl blood (eg ... #OccultBlood #Testing ... #Laboratory #FalsePositive