Test Code THCU Delta-8 and Delta-9-Carboxy-Tetrahydrocannabinol (THC) Confirmation, Random, Urine
Performing Laboratory
Mayo Clinic Laboratories in RochesterSpecimen Type
UrineOrdering Guidance
For situations where chain of custody is required, a Chain-of-Custody Kit (T282) is available. For chain-of-custody testing, order THCX / Delta-8 and Delta-9-Carboxy-Tetrahydrocannabinol (THC) Confirmation, Chain of Custody, Random, Urine
Additional drug panels and specific requests are available. Call 800-533-1710 or 507-266-5700.
Additional Testing Requirements
If urine creatinine is required or adulteration of the sample is suspected, order, ADULT / Adulterants Survey, Random, Urine.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container Tube: Plastic urine container
Submission Container/Tube: Plastic, 5-mL tube
Specimen Volume: 3 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Additional Information:
1. No specimen substitutions.
2. STAT requests are not accepted for this test.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Urine | Refrigerated (preferred) | 14 days | |
Frozen | 14 days | ||
Ambient | 72 hours |
Reference Values
Not Detected
Cutoff concentration:
DELTA-8 CARBOXY-TETRAHYDROCANNABINOL (THC) by LC-MS/MS: <5.0 ng/mL
DELTA-9 CARBOXY-TETRAHYDROCANNABINOL (THC) by LC-MS/MS: <5.0 ng/mL
Day(s) Performed
Monday through Friday
CPT Code Information
80349
G0480 (if appropriate)
Report Available
3 to 5 daysSpecimen Retention Time
2 weeksReject Due To
Gross hemolysis | OK |
Gross icterus | Reject |