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For the pain management panel only, regardless of the screen results, GC/MS confirmation for the following drugs are completed and reported individually as positive/negative with a detection limit of 100 ng/mL: morphine, codeine, oxycodone, oxymorphone, hydrocodone, hydromorphone.
Studies have confirmed that foods containing poppy seeds can result in a positive urine test for opiates.1, 2 Some cakes, cupcakes and bagels can contain enough poppy seeds to produce a positive urine tests when no opiates were abused. This is known as a false-positive opiate urine test. Prior to 1998, the US threshold level for a positive opiate urine test was a morphine concentration greater than 300 nanograms/ml (ng/ml) or 0.3Âµg/ml.