Reagent testing

Other reagents are discussed in scientific literature, but limited applications mean they may not be sold for consumer testing.

The National Institute of Justice provides information about "Color Test Reagents/Kits for Preliminary Identification of Drugs of Abuse" in NIJ Standard–0604.01.

[5] Several products are in early phases of development that are intended to allow their users to covertly detect (without using droppers, etc.)

Results will vary depending on sample adulteration, quantity, temperature, lighting, exposure to air, storage, as well as reagent quality and degradation.

According to a 2003 research published in Pharmacotherapy, neither the Marquis, Mecke, nor Simon's reagents should be used by the public for harm reduction purposes.

Representative William Lamberth, R-Portland, introduced HB2177 in the Tennessee General Assembly on January 31, 2022, followed by the introduction of SB2427 by Senator Jack Johnson, R-Franklin, the following day.

Per TCA §39-17-425, possession of fentanyl test strips was previously a Class A misdemeanor, punishable by up to 11 months, 29 days in jail and fines of up to $2,500; distributing them was previously a Class E felony, punishable by prison sentences of one to six years and fines of up to $3,000.