Limited Drug Profile, 3 Drug Classes, Immunoassay, Random, Urine
Use
Provides an initial immunoassay screen for drug use involving barbiturates, cocaine, and carboxy‑tetrahydrocannabinol in random urine specimens; useful for detecting drug use in clinical monitoring or management (not intended for employment-related testing), with the capability of reflex confirmation by definitive methods if immunoassay results are positive ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/overview/615289?utm_source=openai)).
Special Instructions
Not provided.
Limitations
Immunoassay screen has class-based detection and may produce false positives; confirmatory testing by mass spectrometry is recommended for positive findings. Not intended for employment-related testing ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/overview/615289?utm_source=openai)).
Methodology
Immunoassay
Biomarkers
Barbiturates
AnalyteCocaine
AnalyteTetrahydrocannabinol (carboxy‑THC)
Analyte
LOINC Codes
- 69739-1 - Drugs of abuse Pnl Ur Scn
- 19270-8 - Barbiturates Ur Ql Scn
- 19359-9 - Cocaine Ur Ql Scn
- 19415-9 - THC Ur Ql Scn
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
5 mL
Minimum Volume
0.5 mL
Container
Plastic urine container; Submit 5 mL in 10 mL plastic tube
Collection Instructions
Collect a random urine specimen. Submit 5 mL in 10 mL plastic tube. No preservative.
Causes for Rejection
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Ambient: 72 hours |
| Refrigerated | Refrigerated (preferred): 14 days |
| Frozen | Frozen: 14 days |