Application Note: Opiates in Urine by SAMHSA GC/MS
7 June 2012

The GC/MS analysis of codeine and morphine in this application demonstrates the limit of quantitation at or below 20 ng/mL in urine a 10 fold factor lower than the limit of quantitation requirements of the Federal Workplace Drug Testing Program. Forensic and clinical laboratories can use the same method for toxicology samples in non-regulated drug testing.