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Drug Screen and Confirmation (Nine Drug Classes), Meconium
Amphetamines; barbiturates; benzodiazepines; cocaine and metabolites; methadone; opiates; phencyclidine (PCP); propoxyphene; tetrahydrocannabinol (THC)
Detect fetal exposure to controlled substances
Initial presumptive testing by immunoassay at the following testing thresholds: amphetamines, 100 ng/gm; barbiturates, 100 ng/gm; benzodiazepines, 100 ng/gm; cocaine and metabolites, 50 ng/gm; methadone, 50 ng/gm; opiates (excludes oxycodones), 50 ng/gm; phencyclidine (PCP), 25 ng/gm; propoxyphene, 100 ng/gm; tetrahydrocannabinol (THC), 25 ng/gm; presumptive positives confirmed by definitive chromatography mass spectrometry (GC/MS or LC/MS-MS).
Specimens from different voidings may be pooled if necessary. For step-by-step instructions for collecting and preparing meconium specimens, see Meconium Testing Collection Instructions.
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.