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Test ID: FCAWB    
Cannabinoid Analysis, Whole Blood

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

This specimen was screened by Immunoassay. Any positive result is confirmed by gas chromatography with mass spectrometry (GC/MS). The following threshold concentrations are used for this analysis:


Drug                             Screening Threshold      Confirmation Threshold


Cannabinoids                5 ng/mL           

Tetrahydrocannabinol                                        2 ng/mL

Carboxy-THC                                                    2 ng/mL


Test Performed by:       Medtox Laboratories, Inc.

                                    402 W. County Road D

                                    St. Paul, MN 55112