Tetrahydrocannabinol (THC), Screen Only, Whole Blood

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Turnaround Time: 3 - 5 days
CPT Code:


Test Type: 7 mL Whole blood


THC is the principal psychoactive constituent of cannabis.

Detect presumptive presence of tetrahydrocannabinol (THC).

Collection Details:

Collection Instructions:

Lavender-top (EDTA) tube, gray-top (sodium fluoride) tube, or green-top (heparin) tube.

Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.