Test ID PNRCH Drug Immunoassay Panel, Urine
Reflex Tests
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
BARBU | Barbiturates Confirmation, U | Yes | No |
COKEU | Cocaine and metabolite Conf, U | Yes | No |
THCU | Carboxy-THC Confirmation, U | Yes | No |
Testing Algorithm
Testing begins with screening tests for drugs of abuse including barbiturates, cocaine, and tetrahydrocannabinol. Positives are confirmed and quantitated by definitive methods (gas chromatography-mass spectrometry for barbiturates, cocaine and metabolites, and tetrahydrocannabinol metabolite) at an additional charge.
Method Name
Only orderable as part of profile. For more information see CSMPU / Controlled Substance Monitoring Panel, Random, Urine.
Immunoassay
Reporting Name
Drug Immunoassay Panel, USpecimen Type
UrineOrdering Guidance
The test does not screen for drug classes other than those listed above.
Specimen Required
Only orderable as part of profile. For more information see CSMPU / Controlled Substance Monitoring Panel, Random, Urine.
Container/Tube: Plastic, 60-mL urine bottle
Specimen Volume: 30 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Urine | Refrigerated (preferred) | 14 days | |
Frozen | 14 days | ||
Ambient | 72 hours |
Reference Values
Only orderable as part of profile. For more information see CSMPU / Controlled Substance Monitoring Panel, 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.
Performing Laboratory

Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
80307
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
PNRCH | Drug Immunoassay Panel, U | 87428-9 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
2574 | Barbiturates | 70155-7 |
21652 | Cocaine | 19359-9 |
2664 | Tetrahydrocannabinol | 19415-9 |
Useful For
Detecting drug use involving barbiturates, cocaine, and tetrahydrocannabinol
This test is not intended for use in employment-related testing.
Specimen Minimum Volume
20 mL
Day(s) Performed
Monday through Saturday