Tetrahydrocannabinol (THC, marijuana) Metabolite, urine; normalized to creatinine

TEST: 3149
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CPT: 80349;82570
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Synonyms

Hemp; Marijuana; Cannabinoids; Mary Jane; Reefer; Roach; Weed

Test Includes

Carboxy-tetrahydrocannabinol (carboxy-THC)

Expected Turnaround Time

5 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Information

THC: In-house validated method; Creatinine: FDA Cleared

Specimen Requirements

Specimen

Urine (random)

Volume

20 mL

Minimum Volume

10 mL

Container

Plastic urine container or transport tube without preservative

Storage Instructions

Submission/transport (<3 days): Refrigerate. For storage beyond three days, specimen should be frozen.

Test Details

Use

Detect use of THC, a psychoactive drug

Methodology

Gas chromatography/mass spectrometry (GC/MS); Spectrophotometry (SPEC)