Benzodiazepine Crossreactivity Table
| Compound | Conc. (ug/mL) | Effect |
|
Oxazepam (reference drug) |
0.2 |
Positive |
| Alprazolam | 0.2 | Positive |
| 7-Aminoclonazepam | 0.8 | Positive |
| 7-Aminoflunitrazepam | 0.5 | Positive |
| 7-Aminonitrazepam | 0.75 | Positive |
| Bromazepam | 0.3 | Positive |
| Chlordiazepoxide | 3.0 | Positive |
| Clobazam | 0.5 | Positive |
| Clonazepam | 0.3 | Positive |
| Delorazepam | 0.1 | Positive |
| Desalkylflurazepam | 0.1 | Positive |
| N-Desmethylflunitrazepam | 0.3 | Positive |
| Diazepam | 0.05 | Positive |
| Flunitrazepam | 0.2 | Positive |
| Flurazepam | 0.1 | Positive |
| Halazepam | 0.1 | Positive |
| a-Hydroxy-alprazolam Glucuronide | 1.5 | Positive |
| Lorazepam | 0.4 | Positive |
| Lorazepam Glucuronide | 250.0 | Positive |
| Lormetazepam | 0.2 | Positive |
| Medazepam | 0.2 | Positive |
| Nitrazepam | 0.3 | Positive |
| Nordiazepam | 0.05 | Positive |
| Oxazepam Glucuronide | 50.0 | Positive |
| Prazepam | 0.2 | Positive |
| Temazepam | 0.2 | Positive |
| Temazepam Glucuronide | 250.0 | Positive |
| Triazolam | 0.6 | Positive |
| Acetaminophen | 1000 | Negative |
| Acetylsalicylic Acid | 1000 | Negative |
| Albuterol | 1000 | Negative |
| d-Amphetamine | 1000 | Negative |
| Caffeine | 100 | Negative |
| Codeine | 1000 | Negative |
| Dextromethorphan | 1000 | Negative |
| Diphenhydramine | 500 | Negative |
| Doxepine | 1 | Negative |
| Hydroxyzine | 40 | Negative |
| Methadone | 1000 | Negative |
| Metronidazole | 1000 | Negative |
| Morphine | 200 | Negative |
| Oxaprozin | 25 | Negative |
| Pemoline | 1000 | Negative |
| Phencyclidine | 1000 | Negative |
| Promethazine | 100 | Negative |
| Propoxyphene | 1000 | Negative |
| Secobarbital | 1000 | Negative |
| Tramadol | 1000 | Negative |
| Trazadone | 1000 | Negative |
| Trimipramine | 100 | Negative |
| Trimethorim | 1000 | Negative |
| Zolpidem | 100 | Negative |
| top of page | 3/01/05 |
a) It is possible that other substances and/or factors (e.g., technical or procedural) not listed above may interfere with the test and cause false results.
b) Data shown was collected using SYNCHRON CX Systems. Equivalency between SYNCHRON LX Systems has been established by correlation analysis to SYNCHRON CX Systems.
Benzodiazepines are extensively metabolized. Metabolic and excretion rates differ among individuals; therefore, the levels of benzodiazepines and their respective metabolites in urine vary.