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
Only orderable as part of a broader profile (Controlled Substance Monitoring Hybrid Drug Profile, 20 Drug Classes, High‑Resolution Mass Spectrometry and Immunoassay Screen, Random, Urine). Positive screening results can be confirmed and quantitated by GC‑MS (barbiturates, cocaine) or LC‑MS/MS (THC metabolites) at additional charge ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/overview/615289?utm_source=openai)).
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
LOINC Codes
- 69739-1
- 19270-8
- 19359-9
- 19415-9
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 |