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HelpTest Code LAB2337 THC (Marijuana) Screen, Urine
Useful For
A qualitative screen for drugs of abuse
Methodology
Kinetic Interaction of Microparticles in Solution (KIMS)
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen Type: Urine
Container/Tube: Clean container
Specimen Volume: 25 mL
Specimen Minimum Volume: 2 mL
Collection Instructions:
- Collect a freshly-voided, random urine collection.
- No preservative is required.
- Refrigerate specimen after collection and send specimen refrigerated.
- Centrifuge specimen before analysis.
Specimen Transport Temperature
Refrigerated
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine Drug Assay | Refrigerated | 5 days |
| Frozen | 14 days | |
| Urine Specific Gravity & pH | Refrigerated | 4 hours |
Reference Values
Negative (reported as positive or negative)
Cutoff concentration: 50 ng/mL
Positive results are only preliminary and only suggest that the sample may contain cannabinoids. Negative results indicate that either the sample does not contain cannabinoids or that cannabinoids are present in concentrations below the cutoff level of 50 ng/mL.
Additional Information
This test is not for Medico-Legal testing.
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
80307