A “Multi-Drug 5 Drugs Saliva Rapid Test Kit (OPI40/MET50/COC20/AMP50/THC)” is an oral fluid drug test designed to screen for the simultaneous presence of five specific drugs and their metabolites in a saliva sample.
The specific drugs and their corresponding cutoff levels (in ng/mL) in the oral fluid test are:
- OPI40 (Opiates): Opiates at a cutoff level of 40 ng/mL.
- MET50 (Methamphetamine): Methamphetamine at a cutoff level of 50 ng/mL.
- COC20 (Cocaine): Cocaine at a cutoff level of 20 ng/mL.
- AMP50 (Amphetamine): Amphetamine at a cutoff level of 50 ng/mL.
- THC (Marijuana): THC (Cannabinoids) at a cutoff level of 12 ng/ml. Note that while the initial cutoff was stated as THC, the listed cutoff is 12 ng/ml which could potentially refer to a specific THC metabolite.
Features and uses
- Rapid and qualitative screening: These tests provide a quick indication of the presence or absence of drugs, but they don’t quantify the amount of the drug.
- Oral fluid collection: The sample is collected using a swab placed in the mouth, which is less invasive than other methods like urine testing.
- Indicator strip: The collection swab often includes an indicator to show when enough saliva has been collected.
- Forensic use: These tests are typically intended for forensic use only.
Reading the results
- Negative: Two lines appear on the test strip, one at the control (C) line and one at the test (T) line for each drug tested.
- Positive: A single line appears at the control (C) line, but no line appears at the test (T) line for a particular drug, indicating a positive result for that drug.
- Invalid: No lines appear or no control line appears, indicating an invalid test, potentially due to insufficient sample or improper testing procedure.




























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