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Test ID: FHEAB    
Heroin 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



Heroin               10 ng/mL

Morphine                                                          10 ng/mL

6-Acetylmorphine                                                6 ng/mL


Test Performed by:       Medtox Laboratories, Inc.

                                    402 W. County Road D

                                    St. Paul, MN 55112