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HelpTest Code BENUR / UCBEN-MC BENZODIAZEPINE, QUANTITATIVE, URINE
Additional Codes
| Software | Test Code |
|---|---|
| SoftID | BENUR |
| EPIC | LAB368 |
| Michigan | UCBEN |
Performing Laboratory
Michigan Co-Tenancy Laboratory at Warde Medical Laboratory (MCL)
Useful For
Confirmation for presence of oxazepam, nordiazepam, temazepam, lorazepam, flurazepam (as 2-hydroxyethylflurazepam), alprazolam (as alpha-hydroxy-alprazolam), clonazepam (as 7-aminoclonazepam)
Method Name
Liquid Chromatography-Tandem Mass Spectrometry (LC-MC/MS)
Reference Values
Negative
LC-MS/MS cutoff concentrations:
Lorazepam: <40 ng/mL
Nordiazepam: <40 ng/mL
Oxazepam: <40 ng/mL
Temazepam: <40 ng/mL
Hydroxyethyl-flurazepam: <40 ng/mL
7-Amino-clonazepam: <40 ng/mL
Alpha-hydroxyalprazolam: <20 ng/mL
Days and Times Test Performed
Monday through Friday
Report Available
2-5 Days
Analytic time for send out tests is the time it will take to perform testing once it has arrived at the performing reference lab. Please add 1 to 2 days from time of collection to allow for receipt at NorDx central lab and shipment of specimen, add another day if specimen is collected on the day before a weekend or holiday.
Specimen Type
Urine, Random
Preferred Container
Urine Cup
Preferred Volume
Urine, Random: 10 mL (Urine Cup)
Minimum Volume
Urine, Random: 3 mL (Urine Cup)
Specimen Collection and Handling
Collect random urine. Mix well and send urine refrigerated in a screw-capped plastic urine container.
Click here to view the Urine Aliquoting Guide for Processing
Specimen Stability Information
Specimen Type: Urine, Random
Frozen: 14 Days
Refrigerated: 14 Days
Room Temp: 48 Hours
Add On Capable
Contact Reference Lab – If add-on can never be done, report the test to the Administrative Analyst
Advance Beneficiary Notice Requirements
This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.
CPT Code Information
|
CPT Code |
CPT Description |
CPT Disclaimer |
|---|---|---|
| 80346 | Benzodiazepines, 1-12 (Definitive), Quantitative | |
| G0480 | Drug Test (Definitive), 1-7 Classes | Government Payers, if Applicable |
| G0481 | Drug Test (Definitive), 8-14 Classes | Government Payers, if Applicable |
| G0482 | Drug Test (Definitive), 15-21 Classes | Government Payers, if Applicable |
| G0483 | Drug Test (Definitive), 22+ Classes | Government Payers, if Applicable |
Performing Laboratory Location
Michigan Co-Tenancy Laboratory at Warde Medical Laboratory (MCL)
LOINC Code Information
20412-3
Clinical Significance
INTENDED POSITIVES:
Alprazolam (Xanax)
Chlordiazepoxide (Librium, Librax)
Clonazepam (Klonopin)
Clorazepate (Tranxene)
Diazepam (Diastat, Valium)
Flunitrazepam (Rohypnol, Roofies)
Flurazepam (Dalmane)
Lorazepam (Ativan)
Oxazepam (Serax)
Temazepam (Restoril)
Triazolam (Halcion)