Casandra
Casandra Test Code LC88801Version 1 (DRAFT)
Performing Lab
Tetrahydrocannabinol (THC-COOH/THCV-COOH)
Clinical Use
Order TestUse
Detect the presence of secondary metabolite of tetrahydrocannabinol to evaluate use of herbal marijuana versus pharmaceutical THC.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
THC‑COOH
AnalyteTHC‑COOH
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
THCV‑COOH
AnalyteTHCV‑COOH
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
LOINC Codes
Order Codes
- 3436-3 - CarboxyTHC Ur-mCnc
- 75651-0 - CarboxyTHCV Ur-mCnc
Result Turnaround Time
5-7 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Urine
Volume
20 mL
Minimum Volume
10 mL
Container
Plastic urine container without preservative
Storage Instructions
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Causes for Rejection
Urine from preservative tube
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | <3 days |
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