1 - 2 days
CANNABINOIDS CONFIRM W/C.O.C.
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GC/MS confirmation for 11-nor-9-carboxy-delta-9-THC. Includes a urine creatinine and ratio of THC metabolite to creatinine. This ratio is the best indicator of continued drug use when compared to previous values on the same patient.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.