Cannabinoid Crossreactivity Table
| Compound | Conc.(ug/mL) | Effect |
| l-11-Nor-s 9-THC-9-COOHb (cutoff) | 0.05 | Positive |
| Cannabinol | 0.15 | Positive |
| l-11-Nor-s 8-THC-9-COOH | 0.07 | Positive |
| 8-B-11-Dihydroxy-s 9-THC | 0.08 | Positive |
| 11-Hydroxy-s 9-THC | 0.13 | Positive |
| 8-B-Hydroxy-s 9-THC | 0.14 | Positive |
| s 9-THC | 0.05 | Positive |
| Acetaminophen | 1000 | Negative |
| Acetylsalicylic Acid | 1000 | Negative |
| Albuterol | 1000 | Negative |
| Amobarbital | 1000 | Negative |
| d-Amphetamine | 1000 | Negative |
| Benzoylecgonine | 1000 | Negative |
| Caffeine | 100 | Negative |
| Cannabidiol | 10 | Negative |
| Cocaine | 200 | Negative |
| Codeine | 1000 | Negative |
| Dextromethorphan | 1000 | Negative |
| Ibuprofen | 1000 | Negative |
| Meperidine | 1000 | Negative |
| Methadone | 1000 | Negative |
| d-Methamphetamine | 1000 | Negative |
| Morphine | 200 | Negative |
| d-11-Nor-s 9-THC-9-COOH c | 0.1 | Negative |
| Oxazepam | 500 | Negative |
| Phencyclidine | 1000 | Negative |
| Phenobarbital | 1000 | Negative |
| Propoxyphene | 1000 | Negative |
| Secobarbital | 1000 | Negative |
| top of page |
a) Data shown was collected using SYNCHRON CX Systems. Equivalency between SYNCHRON LX Systems has been established by correlation analysis to SYNCHRON CX Systems.
b) Natural urine metabolite of s 9-THC.
c) Synthetic isomer of s 9-THC metabolite