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Test ID FCAWB Cannabinoid Analysis, Whole Blood

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
FFTCB THC, GC/MS Confirmation No No

Testing Algorithm

If the Cannabinoid Analysis, Whole Blood is positive, then the THC, GC/MS Confirmation (FFTCB) will be performed at no additional charge.

Method Name

Immunoassay (IA) – Screen

Gas Chromatography/Mass Spectrometry (GC/MS) – Confirmation, if applicable

Reporting Name

Cannabinoid Analysis, Whole Blood

Specimen Type

Whole blood

Draw blood in a purple-top (EDTA), green-top (sodium-heparin) or grey-top (NaF/oxalate) tube(s). Send 7 mL of whole blood refrigerated in a plastic vial.

Specimen Minimum Volume

3 mL

Specimen Stability Information

Specimen Type Temperature Time
Whole blood Refrigerated (preferred) 7 days
  Frozen  180 days

Reference Values

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

 

Day(s) Performed

Monday through Sunday

Report Available

5 days

Performing Laboratory

Medtox Laboratories, Inc.

CPT Code Information

80301

NY State Approved

Yes