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HelpTest Code LDPU Limited Drug Profile, 3 Drug Classes, Immunoassay, Random, Urine
Ordering Guidance
The test does not screen for drug classes other than those listed in Testing Algorithm.
Specimen Required
Only orderable as part of profile. For more information see CSMHU / Controlled Substance Monitoring Hybrid Drug Panel, 20 Drug Classes, High-Resolution Mass Spectrometry and Immunoassay Screen, Random, Urine.
Supplies: Urine Tubes, 10 mL (T068)
Collection Container/Tube: Plastic urine container
Submission Container/Tube: Plastic, 10 mL tube
Specimen Volume: 5 mL
Collection Instructions:
1. Collect a random urine specimen.
2. Submit 5 mL in 10 plastic tube.
3. No preservative
Useful For
Detecting drug use involving barbiturates, cocaine, and carboxy-tetrahydrocannabinol
This test is not intended for use in employment-related testing.
Testing Algorithm
Testing begins with screening tests for drugs of abuse including barbiturates, cocaine, and tetrahydrocannabinol.
Positive results can be confirmed and quantitated by definitive methods, gas chromatography mass spectrometry for barbiturates, cocaine and metabolites and liquid chromatography tandem mass spectrometry for tetrahydrocannabinol metabolites, at an additional charge.
Reporting Name
Limited Drug Panel, 3, IA, USpecimen Type
UrineSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 14 days | |
| Frozen | 14 days | ||
| Ambient | 72 hours |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
Only orderable as part of profile. For more information see CSMHU / Controlled Substance Monitoring Hybrid Drug Panel, 20 Drug Classes, High-Resolution Mass Spectrometry and Immunoassay Screen, Random, Urine.
Negative
Screening cutoff concentrations:
Barbiturates: 200 ng/mL
Cocaine (benzoylecgonine-cocaine metabolite): 150 ng/mL
Tetrahydrocannabinol carboxylic acid: 50 ng/mL
This report is intended for use in clinical monitoring or management of patients. It is not intended for use in employment-related testing.
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 to 2 daysSpecimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
80307
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| LDPU | Limited Drug Panel, 3, IA, U | 69739-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 615289 | Barbiturates | 19270-8 |
| 615290 | Cocaine | 19359-9 |
| 615291 | Tetrahydrocannabinol | 19415-9 |