THC Metabolite, Urine, Quantitative
Also known as: CDCO THC
Use
The THC Metabolite, Urine, Quantitative test is used to obtain quantitative results or to follow up a presumptive result. It detects 9-carboxy THC, a metabolite of delta-9-tetrahydrocannabinol (THC), which suggests use of or exposure to a product containing THC. This test cannot distinguish between prescribed or non-prescribed forms of THC, nor can it distinguish between active or passive use. The 9-carboxy THC metabolite can be detected in urine for several weeks. It is mainly utilized for medical purposes and is not valid for forensic use.
Special Instructions
Not provided.
Limitations
This test does not distinguish between delta-8 and delta-9 forms of THC or their metabolites. The test cannot differentiate between prescribed or non-prescribed forms of THC or between active or passive use. Further, it is not for forensic use and has not been cleared or approved by the US Food and Drug Administration. Repeated freeze/thaw cycles can lead to specimen rejection.
New York Approved
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 3436-3 - CarboxyTHC Ur-mCnc
Result Turnaround Time
1-5 days
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
1 mL
Minimum Volume
0.5 mL
Container
ARUP standard transport tube
Collection Instructions
Collect random urine. Transfer 1 mL urine with no additives or preservatives to an ARUP standard transport tube.
Storage Instructions
Room temperature.
Causes for Rejection
Specimens exposed to repeated freeze/thaw cycles.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 1 week |
| Refrigerated | 1 month |
| Frozen | 1 month |
Other tests from different labs that may be relevant